/* * Copyright 2013 Daniel Warner * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include #include #include #include int main() { libsgp4::Observer obs(51.507406923983446, -0.12773752212524414, 0.05); libsgp4::Tle tle = libsgp4::Tle("UK-DMC 2 ", "1 35683U 09041C 12289.23158813 .00000484 00000-0 89219-4 0 5863", "2 35683 98.0221 185.3682 0001499 100.5295 259.6088 14.69819587172294"); libsgp4::SGP4 sgp4(tle); std::cout << tle << std::endl; for (int i = 0; i < 10; ++i) { libsgp4::DateTime dt = tle.Epoch().AddMinutes(i * 10); /* * calculate satellite position */ libsgp4::Eci eci = sgp4.FindPosition(dt); /* * get look angle for observer to satellite */ libsgp4::CoordTopocentric topo = obs.GetLookAngle(eci); /* * convert satellite position to geodetic coordinates */ libsgp4::CoordGeodetic geo = eci.ToGeodetic(); std::cout << dt << " " << topo << " " << geo << std::endl; }; return 0; }