771 lines
27 KiB
Python
771 lines
27 KiB
Python
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#!/usr/bin/env python3
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import math
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import collections
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## Const Constants are now module constants
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pi = math.pi
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m = 1.0
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kg = 1.0
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s = 1.0
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K = 1.0
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rad = 1.0
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km = 1000.0 * m
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hour = 3600.0 * s
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day = 24.0 * hour
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deg = (math.pi/180.0) * rad
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Watt = 1.0 * kg * m**2 / s**3
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G = 6.6742E-11 * m**3 /(kg * s**2)
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AU = 1.49598E11 * m
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c = 299792458.0 * m/s
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## A namedtuple for ellipsoid parameters
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ae2 = collections.namedtuple('SemiMajorAxisAndEccentricitySquared',
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'a e2')
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__todo__ = ('Cupid', 'Perdita')
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## A metaclass for constant classes
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class init_from_constants_type(type):
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def __call__(cls, *args, **kwargs):
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obj = type.__call__(cls, *args)
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for name, value in kwargs.items():
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setattr(obj, name, value)
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return obj
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pass
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## A class for constant instances
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class ConstantClass(object, metaclass = init_from_constants_type):
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"""obj = ConstantClass(**kwargs)
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makes an object supporting:
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obj[key] --> value
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or
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obj.key --> value
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for key, value in kwargs.items()
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The current configuration permits attribute manipulation, but
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forbids item setting or deleting-- however, that is strictly a matter
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of taste.
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"""
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# __metaclass__ = init_from_constants_type
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## Allow dictionary emulation
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def __getitem__(self, key):
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return getattr(self, key)
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def __delitem__(self, key):
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return self._raise('delete item')
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def __setitem__(self, key, value):
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return self._raise('set item')
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def _raise(self, message):
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raise TypeError(
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"cannon %s with a % s, use attribute access" % (
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message, self.__class__.__name__
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)
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)
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def __contains__(self, key):
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try:
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result = self[key]
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return True
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except (TypeError, AttributeError):
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return False
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pass
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def get(self, key, default=None):
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try:
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result = self[key]
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except AttributeError:
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result = default
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pass
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return result
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pass
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## Keepin Const around for backward compatibility
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Const = ConstantClass(
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pi = pi,
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m = m,
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kg = kg,
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s = s,
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K = K,
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rad = rad,
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km = km,
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hour = hour,
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day = day,
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deg = deg,
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Watt = Watt,
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G = G,
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AU = AU,
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c = c
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)
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## Solar Data
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SolarData = ConstantClass(
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rotationPeriod = 25.38 * day,
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equatorialRadius = 6.960E8 * m,
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GM = 1.989E30 * kg * G,
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luminosity = 3.826E26 * Watt,
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)
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## Planet Data
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PlanetsData = ConstantClass(
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## Planet and some dwarf planet names
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names = ('Mercury',
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'Venus',
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'Earth',
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'Mars',
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'Jupiter',
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'Saturn',
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'Uranus',
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'Neptune',
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'Pluto'),
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# Dictionary of planet mean orbital distances in ms
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# from "Satellites" Burns and Matthews, editors,
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# University of Arizona Press, Tucson, 1986
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meanOrbitalDistance = ConstantClass(
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Mercury= 0.387 * AU,
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Venus= 0.723 * AU,
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Earth= 1.000 * AU,
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Mars= 1.524 * AU,
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Jupiter= 5.203 * AU,
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Saturn= 9.539 * AU,
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Uranus= 19.182 * AU,
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Neptune= 30.058 * AU,
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Pluto= 39.440 * AU
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),
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# Dictionary of planets rotation periods in seconds
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# from "Satellites" Burns and Matthews, editors,
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# University of Arizona Press, Tucson, 1986
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rotationPeriod = ConstantClass(
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Mercury= 58.65 * day,
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Venus= 243.01 * day,
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Earth= 23.934472399 * hour, #Based on mean angular velocity,
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#http://hpiers.obspm.fr/eop-pc/models/constants.html
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Mars= 24.6299 * hour,
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Jupiter= 9.841 * hour,
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Saturn= 10.233 * hour,
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Uranus= 17.3 * hour,
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Neptune= 18.2 * hour,
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Pluto= 6.387 * day
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),
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obliquity = ConstantClass(
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Mercury= 2. * deg, # +- 3 * deg
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Venus= 177.3 * deg,
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Earth= 23.45 * deg,
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Mars= 23.98 * deg,
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Jupiter= 3.12 * deg,
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Saturn= 26.73 * deg,
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Uranus= 97.86 * deg,
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Neptune= 29.56 * deg,
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Pluto= 118.5 * deg
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),
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effectiveBlackbodyTemperature = ConstantClass(
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Mercury= 442. * K,
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Venus= 244. * K,
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Earth= 253. * K,
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Mars= 216. * K,
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Jupiter= 87. * K,
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Saturn= 63. * K,
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Uranus= 33. * K,
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Neptune= 32. * K,
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Pluto= 43. * K
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),
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# Dictionary of planet GM in meter**3/second**2
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# from "Satellites" Burns and Matthews, editors,
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# University of Arizona Press, Tucson, 1986
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GM = ConstantClass(
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Earth= 398600448073000.0 * m**3/s**2, # Embedded in ROI_PAC
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Mercury= 0.3303E24 * kg * G,
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Venus= 4.8700E24 * kg * G,
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# Earth= 5.9767E24 * kg * G, # GM is more well-determined than either G or M
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Mars= 0.6421E24 * kg * G,
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Jupiter= 1900.E24 * kg * G,
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Saturn= 568.8E24 * kg * G,
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Uranus= 86.87E24 * kg * G,
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Neptune= 102.0E24 * kg * G,
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Pluto= 0.013E24 * kg * G,
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),
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# Dictionary of planet equatorial radius
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# from "Satellites" Burns and Matthews, editors,
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# University of Arizona Press, Tucson, 1986
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equatorialRadius = ConstantClass(
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Mercury= 2.439E6 * m,
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Venus= 6.051E6 * m,
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Earth= 6.378E6 * m,
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Mars= 3.393E6 * m,
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Jupiter= 71.398E6 * m,
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Saturn= 60.33E6 * m,
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Uranus= 26.20E6 * m,
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Neptune= 25.23E6 * m,
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Pluto= 1.5E6 * m
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),
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density = ConstantClass(
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Mercury= 5.43E3 * kg/m**3,
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Venus= 5.25E3 * kg/m**3,
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Earth= 5.518E3 * kg/m**3,
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Mars= 3.95E3 * kg/m**3,
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Jupiter= 1.33E3 * kg/m**3,
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Saturn= 0.69E3 * kg/m**3,
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Uranus= 1.15E3 * kg/m**3,
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Neptune= 1.55E3 * kg/m**3,
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Pluto= 0.9E3 * kg/m**3
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),
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# Dictionary of planet J2 --- coefficient of the second zonal harmonic in the expansion of the gravitational potential:
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#
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# V = (GM/r) * [ 1 - J2*(a/r)**2 * P2(cos(lat)) - J4*(a/r)**4 * P4(cos(lat)) - ... ]
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#
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# where a is the semi-major axis of the ellipsoid and lat is the spherical coordinate colatitude (not geodetic latitude.
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# J2 is related to the oblateness (or flattening) of the Earth relaitve to a sphere. For a uniform ellipsoid,
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#
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# J2 = (2/3)*f - (1/3)*m - (1/3)*f**2 + (2/21)*f*m
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# J4 = -(4/5)*f**2 + (4/7)*f*m
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#
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# f = flattening = (b-a)/a
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# m = (omega*a)**2*b/GM = ratio of centrifugal to gravitational forces at equator
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# a = semi-major axis (equatorial radius)
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# b = semi-minor axis (polar radius)
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# omega = frequency of planet's spin
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#
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# http://www.ngs.noaa.gov/PUBS_LIB/Geodesy4Layman/TR80003F.HTM
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#
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J2 = ConstantClass(
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Mercury= 8.E-5, # +- 6E-5
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Venus= 0.6E-5,
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Earth= 108.3E-5,
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Mars= 196.0E-5, # +-1.8E-5
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Jupiter= 1473.6E-5, # +-0.1E-5
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Saturn= 1667.E-5, # +-3.E-5
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Uranus= 333.9E-5, # +-0.3E-5
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Neptune= 430.E-5 # +-30.E-5
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),
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J4 = ConstantClass(
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Earth= -0.16E-5,
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Mars= -3.2E-5, # +- 0.7E-5
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Jupiter= -58.7E-5, # +- 0.5E-7
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Saturn= -103.E-5, # +- 7E-5
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Uranus= -3.2E-5, # +- 0.4E-5
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),
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# Dictionary of tuples of (semi-major axis in meter,eccentricity-squared)
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# Unless the planet has more than one ellipsoid model (Earth) - Dictionary of Dictionary.
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ellipsoid = ConstantClass(
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Earth={
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'Airy-1830': ae2(6377563.396*m, 0.0066705400000),
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'Modified-Airy': ae2(6377340.189*m, 0.0066705400000),
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'Australian': ae2(6378160.000*m, 0.0066945418546),
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'Bessel-1841-Namibia': ae2(6377483.865*m, 0.0066743722318),
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'Bessel-1841': ae2(6377397.155*m, 0.0066743722318),
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'Clarke-1866': ae2(6378206.400*m, 0.0067686579976),
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'Clarke-1880': ae2(6378249.145*m, 0.0068035112828),
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'Everest-India-1830': ae2(6377276.345*m, 0.0066378466302),
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'Everest-Sabah-Sarawak': ae2(6377298.556*m, 0.0066378466302),
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'Everest-India-1956': ae2(6377301.243*m, 0.0066378466302),
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'Everest-Malaysia-1969': ae2(6377295.664*m, 0.0066378466302),
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'Everest-Malay-Singapore-1948':ae2(6377304.063*m, 0.0066378466302),
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'Everest-Pakistan': ae2(6377309.613*m, 0.0066378466302),
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'Modified-Fischer-1960': ae2(6378155.000*m, 0.0066934216230),
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'Helmert-1906': ae2(6378200.000*m, 0.0066934216230),
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'Hough-1960': ae2(6378270.000*m, 0.0067226700223),
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'Indonesian-1974': ae2(6378160.000*m, 0.0066946090804),
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'International-1924': ae2(6378388.000*m, 0.0067226700223),
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'Krassovsky-1940': ae2(6378245.000*m, 0.0066934216230),
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'GRS-80': ae2(6378137.000*m, 0.0066943800229),
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'South-American-1969': ae2(6378160.000*m, 0.0066945418546),
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'WGS-72': ae2(6378135.000*m, 0.0066943177783),
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'WGS-84': ae2(6378137.000*m, 0.0066943799901)
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},
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),
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satellites = ConstantClass(
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Earth= ("Moon",),
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Mars= ("Phobos",
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"Deimos"),
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Jupiter= ("Metis",
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"Adrastea",
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"Amalthea",
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"Thebe",
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"Io",
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"Europa",
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"Ganymede",
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"Callisto",
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"Leda",
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"Himalia",
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"Lysithea",
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"Elara",
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"Ananke",
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"Carme",
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"Pasiphae",
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"Sinope",
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"Halo",
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"Main_Ring",
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"Gossamer_Ring"),
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Saturn= ("Atlas",
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"Prometheus",
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"Pandora",
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"Epimetheus",
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"Janus",
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"Mimas",
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"Enceladus",
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"Tethys",
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"Telesto",
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"Calypso",
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"Dione",
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"Helene",
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"Rhea",
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"Titan",
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"Hyperion",
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"Iapetus",
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"Phoebe",
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"D_Ring",
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"C_Ring",
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"B_Ring",
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"A_Ring",
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"F_Ring",
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"G_Ring",
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"E_Ring"),
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Uranus= ("Cordelia",
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"Ophelia",
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"Bianca",
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"Cressida",
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"Desdemona",
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"Juliet",
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"Portia",
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"Rosalind",
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"Belinda",
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"Puck",
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"Miranda",
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"Ariel",
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"Umbriel",
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"Titania",
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"Oberon",
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"Rings"),
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Neptune= ("Triton",
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"Nereid",
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"Ring Arc"),
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Pluto= ("Charon",)
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)
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)
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## temporary constants
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_orbitalPeriod = {
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'Moon': 27.3217 * day,
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'Phobos': 0.319 * day,
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|
|
'Deimos': 1.263 * day,
|
||
|
|
'Metis': 0.2948 * day,
|
||
|
|
'Adrastea': 0.2983 * day,
|
||
|
|
'Amalthea': 0.4981 * day,
|
||
|
|
'Thebe': 0.6745 * day,
|
||
|
|
'Io': 1.769 * day,
|
||
|
|
'Europa': 3.551 * day,
|
||
|
|
'Ganymede': 7.155 * day,
|
||
|
|
'Callisto': 16.689 * day,
|
||
|
|
'Leda': 238.72 * day,
|
||
|
|
'Himalia': 250.57 * day,
|
||
|
|
'Lysithea': 259.22 * day,
|
||
|
|
'Elara': 259.65 * day,
|
||
|
|
'Ananke': -631. * day,
|
||
|
|
'Carme': -692. * day,
|
||
|
|
'Pasiphae': -735. * day,
|
||
|
|
'Sinope': -758. * day,
|
||
|
|
'Atlas': 0.602 * day,
|
||
|
|
'Prometheus': 0.613 * day,
|
||
|
|
'Pandora': 0.629 * day,
|
||
|
|
'Epimetheus': 0.694 * day,
|
||
|
|
'Janus': 0.695 * day,
|
||
|
|
'Mimas': 0.942 * day,
|
||
|
|
'Enceladus': 1.370 * day,
|
||
|
|
'Tethys': 1.888 * day,
|
||
|
|
'Telesto': 1.888 * day,
|
||
|
|
'Calypso': 1.888 * day,
|
||
|
|
'Dione': 2.737 * day,
|
||
|
|
'Helene': 2.737 * day,
|
||
|
|
'Rhea': 4.518 * day,
|
||
|
|
'Titan': 15.945 * day,
|
||
|
|
'Hyperion': 21.277 * day,
|
||
|
|
'Iapetus': 79.331 * day,
|
||
|
|
'Phoebe': -550.48 * day,
|
||
|
|
'Cordelia': 0.336 * day,
|
||
|
|
'Ophelia': 0.377 * day,
|
||
|
|
'Bianca': 0.435 * day,
|
||
|
|
'Cressida': 0.465 * day,
|
||
|
|
'Desdemona': 0.476 * day,
|
||
|
|
'Juliet': 0.494 * day,
|
||
|
|
'Portia': 0.515 * day,
|
||
|
|
'Rosalind': 0.560 * day,
|
||
|
|
'Belinda': 0.624 * day,
|
||
|
|
'Puck': 0.764 * day,
|
||
|
|
'Miranda': 1.413 * day,
|
||
|
|
'Ariel': 2.520 * day,
|
||
|
|
'Umbriel': 4.144 * day,
|
||
|
|
'Titania': 8.706 * day,
|
||
|
|
'Oberon': 13.463 * day,
|
||
|
|
'Triton': -5.877 * day,
|
||
|
|
'Nereid': 360.16 * day,
|
||
|
|
'Charon': 6.387 * day
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
SatellitesData=ConstantClass(
|
||
|
|
planet = ConstantClass(
|
||
|
|
Moon= 'Earth',
|
||
|
|
Phobos= 'Mars',
|
||
|
|
Deimos= 'Mars',
|
||
|
|
Metis= 'Jupiter',
|
||
|
|
Adrastea= 'Jupiter',
|
||
|
|
Amalthea= 'Jupiter',
|
||
|
|
Thebe= 'Jupiter',
|
||
|
|
Io= 'Jupiter',
|
||
|
|
Europa= 'Jupiter',
|
||
|
|
Ganymede= 'Jupiter',
|
||
|
|
Callisto= 'Jupiter',
|
||
|
|
Leda= 'Jupiter',
|
||
|
|
Himalia= 'Jupiter',
|
||
|
|
Lysithea= 'Jupiter',
|
||
|
|
Elara= 'Jupiter',
|
||
|
|
Ananke= 'Jupiter',
|
||
|
|
Carme= 'Jupiter',
|
||
|
|
Pasiphae= 'Jupiter',
|
||
|
|
Sinope= 'Jupiter',
|
||
|
|
Halo= 'Jupiter',
|
||
|
|
Main_Ring= 'Jupiter',
|
||
|
|
Gossamer_Ring= 'Jupiter',
|
||
|
|
Atlas= 'Saturn',
|
||
|
|
Prometheus= 'Saturn',
|
||
|
|
Pandora= 'Saturn',
|
||
|
|
Epimetheus= 'Saturn',
|
||
|
|
Janus= 'Saturn',
|
||
|
|
Mimas= 'Saturn',
|
||
|
|
Enceladus= 'Saturn',
|
||
|
|
Tethys= 'Saturn',
|
||
|
|
Telesto= 'Saturn',
|
||
|
|
Calypso= 'Saturn',
|
||
|
|
Dione= 'Saturn',
|
||
|
|
Helene= 'Saturn',
|
||
|
|
Rhea= 'Saturn',
|
||
|
|
Titan= 'Saturn',
|
||
|
|
Hyperion= 'Saturn',
|
||
|
|
Iapetus= 'Saturn',
|
||
|
|
Phoebe= 'Saturn',
|
||
|
|
D_Ring= 'Saturn',
|
||
|
|
C_Ring= 'Saturn',
|
||
|
|
B_Ring= 'Saturn',
|
||
|
|
A_Ring= 'Saturn',
|
||
|
|
F_Ring= 'Saturn',
|
||
|
|
G_Ring= 'Saturn',
|
||
|
|
E_Ring= 'Saturn',
|
||
|
|
Cordelia= 'Uranus',
|
||
|
|
Ophelia= 'Uranus',
|
||
|
|
Bianca= 'Uranus',
|
||
|
|
Cressida= 'Uranus',
|
||
|
|
Desdemona= 'Uranus',
|
||
|
|
Juliet= 'Uranus',
|
||
|
|
Portia= 'Uranus',
|
||
|
|
Rosalind= 'Uranus',
|
||
|
|
Belinda= 'Uranus',
|
||
|
|
Puck= 'Uranus',
|
||
|
|
Miranda= 'Uranus',
|
||
|
|
Ariel= 'Uranus',
|
||
|
|
Umbriel= 'Uranus',
|
||
|
|
Titania= 'Uranus',
|
||
|
|
Oberon= 'Uranus',
|
||
|
|
Rings= 'Uranus',
|
||
|
|
Triton= 'Neptune',
|
||
|
|
Nereid= 'Neptune',
|
||
|
|
Ring_Arc= 'Neptune',
|
||
|
|
Charon= 'Pluto'
|
||
|
|
),
|
||
|
|
orbitalSemimajorAxis = ConstantClass(
|
||
|
|
Moon= 384.4E6 * m,
|
||
|
|
Phobos= 9.378E6 * m,
|
||
|
|
Deimos= 23.459E6 * m,
|
||
|
|
Metis= 127.96E6 * m,
|
||
|
|
Adrastea= 128.98E6 * m,
|
||
|
|
Amalthea= 181.3E6 * m,
|
||
|
|
Thebe= 221.90E6 * m,
|
||
|
|
Io= 421.6E6 * m,
|
||
|
|
Europa= 670.9E6 * m,
|
||
|
|
Ganymede= 1070.E6 * m,
|
||
|
|
Callisto= 1883.E6 * m,
|
||
|
|
Leda= 11094.E6 * m,
|
||
|
|
Himalia= 11480.E6 * m,
|
||
|
|
Lysithea= 11720.E6 * m,
|
||
|
|
Elara= 11737.E6 * m,
|
||
|
|
Ananke= 21200.E6 * m,
|
||
|
|
Carme= 22600.E6 * m,
|
||
|
|
Pasiphae= 23500.E6 * m,
|
||
|
|
Sinope= 23700.E6 * m,
|
||
|
|
Atlas= 137.64E6 * m,
|
||
|
|
Prometheus= 139.35E6 * m,
|
||
|
|
Pandora= 141.70E6 * m,
|
||
|
|
Epimetheus= 151.422E6 * m,
|
||
|
|
Janus= 151.472E6 * m,
|
||
|
|
Mimas= 185.52E6 * m,
|
||
|
|
Enceladus= 238.02E6 * m,
|
||
|
|
Tethys= 294.66E6 * m,
|
||
|
|
Telesto= 294.66E6 * m,
|
||
|
|
Calypso= 294.66E6 * m,
|
||
|
|
Dione= 377.40E6 * m,
|
||
|
|
Helene= 377.40E6 * m,
|
||
|
|
Rhea= 527.04E6 * m,
|
||
|
|
Titan= 1221.85E6 * m,
|
||
|
|
Hyperion= 1481.1E6 * m,
|
||
|
|
Iapetus= 3561.3E6 * m,
|
||
|
|
Phoebe= 12952.E6 * m,
|
||
|
|
Cordelia= 49.75E6 * m,
|
||
|
|
Ophelia= 53.77E6 * m,
|
||
|
|
Bianca= 59.16E6 * m,
|
||
|
|
Cressida= 61.77E6 * m,
|
||
|
|
Desdemona= 62.65E6 * m,
|
||
|
|
Juliet= 64.63E6 * m,
|
||
|
|
Portia= 66.10E6 * m,
|
||
|
|
Rosalind= 69.93E6 * m,
|
||
|
|
Belinda= 75.25E6 * m,
|
||
|
|
Puck= 86.00E6 * m,
|
||
|
|
Miranda= 129.8E6 * m,
|
||
|
|
Ariel= 191.2E6 * m,
|
||
|
|
Umbriel= 266.0E6 * m,
|
||
|
|
Titania= 435.8E6 * m,
|
||
|
|
Oberon= 582.6E6 * m,
|
||
|
|
Triton= 354.3E6 * m,
|
||
|
|
Nereid= 551.5E6 * m,
|
||
|
|
Charon= 19.1E6 * m
|
||
|
|
),
|
||
|
|
orbitalPeriod = _orbitalPeriod,
|
||
|
|
rotationPeriod = ConstantClass(
|
||
|
|
Moon= _orbitalPeriod['Moon'],
|
||
|
|
Phobos= _orbitalPeriod['Phobos'],
|
||
|
|
Deimos= _orbitalPeriod['Deimos'],
|
||
|
|
Amalthea= _orbitalPeriod['Amalthea'],
|
||
|
|
Io= _orbitalPeriod['Io'],
|
||
|
|
Europa= _orbitalPeriod['Europa'],
|
||
|
|
Ganymede= _orbitalPeriod['Ganymede'],
|
||
|
|
Callisto= _orbitalPeriod['Callisto'],
|
||
|
|
Himalia= 0.4 * day,
|
||
|
|
Epimetheus= _orbitalPeriod['Epimetheus'],
|
||
|
|
Janus= _orbitalPeriod['Janus'],
|
||
|
|
Mimas= _orbitalPeriod['Mimas'],
|
||
|
|
Enceladus= _orbitalPeriod['Enceladus'],
|
||
|
|
Tethys= _orbitalPeriod['Tethys'],
|
||
|
|
Dione= _orbitalPeriod['Dione'],
|
||
|
|
Rhea= _orbitalPeriod['Rhea'],
|
||
|
|
Iapetus= _orbitalPeriod['Iapetus'],
|
||
|
|
Phoebe= 0.4 * day,
|
||
|
|
Miranda= _orbitalPeriod['Miranda'],
|
||
|
|
Ariel= _orbitalPeriod['Ariel'],
|
||
|
|
Umbriel= _orbitalPeriod['Umbriel'],
|
||
|
|
Titania= _orbitalPeriod['Titania'],
|
||
|
|
Oberon= _orbitalPeriod['Oberon'],
|
||
|
|
Triton= _orbitalPeriod['Triton'],
|
||
|
|
),
|
||
|
|
orbitalEccentricity = ConstantClass(
|
||
|
|
Moon= 0.05490,
|
||
|
|
Phobos= 0.015,
|
||
|
|
Deimos= 0.00052,
|
||
|
|
Metis= 0., # < 0.004
|
||
|
|
Adrastea= 0.,
|
||
|
|
Amalthea= 0.003,
|
||
|
|
Thebe= 0.015, # +- 0.006
|
||
|
|
Io= 0.0041,
|
||
|
|
Europa= 0.0101,
|
||
|
|
Ganymede= 0.0006,
|
||
|
|
Callisto= 0.007,
|
||
|
|
Leda= 0.148,
|
||
|
|
Himalia= 0.158,
|
||
|
|
Lysithea= 0.107,
|
||
|
|
Elara= 0.207,
|
||
|
|
Ananke= 0.169,
|
||
|
|
Carme= 0.207,
|
||
|
|
Pasiphae= 0.378,
|
||
|
|
Sinope= 0.275,
|
||
|
|
Atlas= 0.,
|
||
|
|
Prometheus= 0.0024, # +- 0.0006
|
||
|
|
Pandora= 0.0042, # +- 0.0006
|
||
|
|
Epimetheus= 0.009, # +- 0.002
|
||
|
|
Janus= 0.007, # +- 0.002
|
||
|
|
Mimas= 0.0202,
|
||
|
|
Enceladus= 0.0045,
|
||
|
|
Tethys= 0.0000,
|
||
|
|
Telesto= 0.,
|
||
|
|
Calypso= 0.,
|
||
|
|
Dione= 0.0022,
|
||
|
|
Helene= 0.005,
|
||
|
|
Rhea= 0.0010,
|
||
|
|
Titan= 0.0292,
|
||
|
|
Hyperion= 0.1042,
|
||
|
|
Iapetus= 0.0283,
|
||
|
|
Phoebe= 0.163,
|
||
|
|
Cordelia= 0.,
|
||
|
|
Ophelia= 0.,
|
||
|
|
Bianca= 0.,
|
||
|
|
Cressida= 0.,
|
||
|
|
Desdemona= 0.,
|
||
|
|
Juliet= 0.,
|
||
|
|
Portia= 0.,
|
||
|
|
Rosalind= 0.,
|
||
|
|
Belinda= 0.,
|
||
|
|
Puck= 0.,
|
||
|
|
Miranda= 0.0027,
|
||
|
|
Ariel= 0.0034,
|
||
|
|
Umbriel= 0.0050,
|
||
|
|
Titania= 0.0022,
|
||
|
|
Oberon= 0.0008,
|
||
|
|
Triton= 0., # < 0.0005
|
||
|
|
Nereid= 0.75,
|
||
|
|
Charon= 0.
|
||
|
|
),
|
||
|
|
orbitalInclination = ConstantClass(
|
||
|
|
Moon= 5.15 * deg,
|
||
|
|
Phobos= 1.02 * deg,
|
||
|
|
Deimos= 1.82 * deg,
|
||
|
|
Metis= 0. * deg,
|
||
|
|
Adrastea= 0. * deg,
|
||
|
|
Amalthea= 0.40 * deg,
|
||
|
|
Thebe= 0.8 * deg, # +- 0.2 * deg
|
||
|
|
Io= 0.040 * deg,
|
||
|
|
Europa= 0.470 * deg,
|
||
|
|
Ganymede= 0.195 * deg,
|
||
|
|
Callisto= 0.281 * deg,
|
||
|
|
Leda= 27. * deg,
|
||
|
|
Himalia= 28. * deg,
|
||
|
|
Lysithea= 29. * deg,
|
||
|
|
Elara= 28. * deg,
|
||
|
|
Ananke= 147. * deg,
|
||
|
|
Carme= 163. * deg,
|
||
|
|
Pasiphae= 148. * deg,
|
||
|
|
Sinope= 153. * deg,
|
||
|
|
Atlas= 0. * deg,
|
||
|
|
Prometheus= 0.0 * deg, # +- 0.1
|
||
|
|
Pandora= 0.0 * deg, # +- 0.1
|
||
|
|
Epimetheus= 0.34 * deg, # +- 0.05
|
||
|
|
Janus= 0.14 * deg, # +- 0.05
|
||
|
|
Mimas= 1.53 * deg,
|
||
|
|
Enceladus= 0.02 * deg,
|
||
|
|
Tethys= 1.09 * deg,
|
||
|
|
Telesto= 0. * deg,
|
||
|
|
Calypso= 0. * deg,
|
||
|
|
Dione= 0.02 * deg,
|
||
|
|
Helene= 0.2 * deg,
|
||
|
|
Rhea= 0.35 * deg,
|
||
|
|
Titan= 0.33 * deg,
|
||
|
|
Hyperion= 0.43 * deg,
|
||
|
|
Iapetus= 7.52 * deg,
|
||
|
|
Phoebe= 175.3 * deg,
|
||
|
|
Cordelia= 0. * deg,
|
||
|
|
Ophelia= 0. * deg,
|
||
|
|
Bianca= 0. * deg,
|
||
|
|
Cressida= 0. * deg,
|
||
|
|
Desdemona= 0. * deg,
|
||
|
|
Juliet= 0. * deg,
|
||
|
|
Portia= 0. * deg,
|
||
|
|
Rosalind= 0. * deg,
|
||
|
|
Belinda= 0. * deg,
|
||
|
|
Puck= 0. * deg,
|
||
|
|
Miranda= 4.22 * deg,
|
||
|
|
Ariel= 0.31 * deg,
|
||
|
|
Umbriel= 0.36 * deg,
|
||
|
|
Titania= 0.14 * deg,
|
||
|
|
Oberon= 0.10 * deg,
|
||
|
|
Triton= 159.0 * deg, # +- 1.5 * deg
|
||
|
|
Nereid= 27.6 * deg,
|
||
|
|
Charon= 94.3 * deg # +- 1.5 * deg
|
||
|
|
),
|
||
|
|
radius = ConstantClass(
|
||
|
|
Moon= 1738. * km,
|
||
|
|
Ganymede= 2631. * km, # +- 10 * km
|
||
|
|
Callisto= 2400. * km, # +- 10 * km
|
||
|
|
Io= 1815 * km, # +- 5 * km
|
||
|
|
Europa= 1569. * km, # +- 10 * km
|
||
|
|
Leda= 8. * km, # approximate
|
||
|
|
Himalia= 90. * km, # +- 10 * km
|
||
|
|
Lysithea= 20. * km, # approximate
|
||
|
|
Elara= 40. * km, # +- 5 * km
|
||
|
|
Ananke= 15. * km, # approximate
|
||
|
|
Carme= 22. * km, # approximate
|
||
|
|
Pasiphae= 35. * km, # approximate
|
||
|
|
Sinope= 20. * km, # approximate
|
||
|
|
Titan= 2575. * km, # +- 2
|
||
|
|
Rhea= 764. * km, # +- 4
|
||
|
|
Iapetus= 718. * km, # +- 8
|
||
|
|
Dione= 559. * km, # +- 5
|
||
|
|
Tethys= 524. * km, # +- 5
|
||
|
|
Enceladus= 251. * km, # +- 5
|
||
|
|
Mimas= 197. * km, # +- 3
|
||
|
|
Titania= 800. * km, # +- 5
|
||
|
|
Oberon= 775. * km, # +- 10
|
||
|
|
Umbriel= 595. * km, # +- 10
|
||
|
|
Ariel= 580. * km, # +- 5
|
||
|
|
Miranda= 242. * km, # +- 5
|
||
|
|
Puck= 40. * km,
|
||
|
|
Portia= 40. * km,
|
||
|
|
Juliet= 30. * km,
|
||
|
|
Cressida= 30. * km,
|
||
|
|
Rosalind= 30. * km,
|
||
|
|
Belinda= 30. * km,
|
||
|
|
Desdemona= 30. * km,
|
||
|
|
Cordelia= 25. * km,
|
||
|
|
Ophelia= 25. * km,
|
||
|
|
Bianca= 25. * km,
|
||
|
|
Triton= 1750. * km, # +- 250.
|
||
|
|
Nereid= 200. * km,
|
||
|
|
Charon= 500. * km
|
||
|
|
),
|
||
|
|
mass = ConstantClass(
|
||
|
|
Moon= 734.9E20 * kg,
|
||
|
|
Phobos= 1.26E16 * kg,
|
||
|
|
Deimos= 1.8E15 * kg,
|
||
|
|
Ganymede= 1482.3E20 * kg,
|
||
|
|
Callisto= 1076.6E20 * kg,
|
||
|
|
Io= 894.E20 * kg,
|
||
|
|
Europa= 480.E20 * kg,
|
||
|
|
Titan= 1345.7E20 * kg,
|
||
|
|
Rhea= 24.9E20 * kg,
|
||
|
|
Iapetus= 18.8E20 * kg,
|
||
|
|
Dione= 10.5E20 * kg,
|
||
|
|
Tethys= 7.6E20 * kg,
|
||
|
|
Enceladus= 0.8E20 * kg,
|
||
|
|
Mimas= 0.38E20 * kg,
|
||
|
|
Titania= 34.3E20 * kg,
|
||
|
|
Oberon= 28.7E20 * kg,
|
||
|
|
Umbriel= 11.8E20 * kg,
|
||
|
|
Ariel= 14.4E20 * kg,
|
||
|
|
Miranda= 0.71E20 * kg,
|
||
|
|
Triton= 1300.E20 * kg,
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
## All the satellite news that's fit to print
|
||
|
|
SatelliteFactSheet = collections.namedtuple(
|
||
|
|
'SatelliteFactSheet',
|
||
|
|
" ".join(SatellitesData.__dict__.keys())
|
||
|
|
)
|
||
|
|
|
||
|
|
def get_satellite_fact_sheet(name):
|
||
|
|
"""input a string name of a satellite, and get its SatelliteFactSheet"""
|
||
|
|
from operator import methodcaller
|
||
|
|
return SatelliteFactSheet(
|
||
|
|
*map(methodcaller('get', name),
|
||
|
|
SatellitesData.__dict__.itervalues())
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
## All the planet news that's fit to print
|
||
|
|
PlanetFactSheet = collections.namedtuple(
|
||
|
|
'PlanetFactSheet',
|
||
|
|
" ".join(filter(lambda x: x != 'names', PlanetsData.__dict__.keys()))
|
||
|
|
)
|
||
|
|
|
||
|
|
def get_planet_fact_sheet(name):
|
||
|
|
"""input a string name of a planet, and get its PlanetFactSheet"""
|
||
|
|
from operator import methodcaller
|
||
|
|
return PlanetFactSheet(
|
||
|
|
*map(methodcaller('get', name),
|
||
|
|
filter(lambda x: not isinstance(x, tuple), PlanetsData.__dict__.itervalues())
|
||
|
|
)
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
del _orbitalPeriod
|