Added alternate XKE and QOMS2T
parent
dbc71fd400
commit
b50644bb8f
16
SGDP4.cpp
16
SGDP4.cpp
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@ -9,13 +9,24 @@
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#define AE (1.0)
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#define AE (1.0)
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#define Q0 (120.0)
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#define Q0 (120.0)
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#define S0 (78.0)
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#define S0 (78.0)
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#define MU (398600.8)
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#define XKMPER (6378.135)
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#define XKMPER (6378.135)
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#define XJ2 (1.082616e-3)
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#define XJ2 (1.082616e-3)
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#define XJ3 (-2.53881e-6)
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#define XJ3 (-2.53881e-6)
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#define XJ4 (-1.65597e-6)
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#define XJ4 (-1.65597e-6)
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/*
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* alternative XKE
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* affects final results
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* #define XKE (60.0 / sqrt(XKMPER * XKMPER * XKMPER / MU))
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*/
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#define XKE (7.43669161331734132e-2)
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#define XKE (7.43669161331734132e-2)
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#define CK2 (0.5 * XJ2 * AE * AE)
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#define CK2 (0.5 * XJ2 * AE * AE)
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#define CK4 (-0.375 * XJ4 * AE * AE * AE * AE)
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#define CK4 (-0.375 * XJ4 * AE * AE * AE * AE)
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/*
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* alternative QOMS2T
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* affects final results
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* #define #define QOMS2T (pow(((Q0 - 78.0) / XKMPER), 4.0))
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*/
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#define QOMS2T (1.880279159015270643865e-9)
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#define QOMS2T (1.880279159015270643865e-9)
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#define S (AE * (1.0 + S0 / XKMPER))
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#define S (AE * (1.0 + S0 / XKMPER))
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#define PI (3.14159265358979323846264338327950288419716939937510582)
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#define PI (3.14159265358979323846264338327950288419716939937510582)
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@ -78,6 +89,11 @@ void SGDP4::SetTle(const Tle& tle) {
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const double del0 = temp / (a0 * a0);
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const double del0 = temp / (a0 * a0);
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recovered_mean_motion_ = MeanMotion() / (1.0 + del0);
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recovered_mean_motion_ = MeanMotion() / (1.0 + del0);
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/*
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* alternative way to calculate
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* doesnt affect final results
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* recovered_semi_major_axis_ = pow(XKE / RecoveredMeanMotion(), TWOTHIRD);
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*/
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recovered_semi_major_axis_ = a0 / (1.0 - del0);
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recovered_semi_major_axis_ = a0 / (1.0 - del0);
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/*
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/*
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