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Threads

1. converting between EME2000 and true-of-date coordinates (0 Replies)
2. trajectory modeling in the flight path coordinate system (0 Replies)
3. conversion from inertial to flight path coordinates (0 Replies)
4. computing mean or apparent Greenwich sidereal time (0 Replies)
5. computing precession with the HP Prime (0 Replies)
6. An HP PPL implementation of the IAU 2000b nutation algorithm (1 Reply)
7. An HP PPL implementation of the IAU 1980 nutation algorithm (0 Replies)
8. converting between classical and modified equinoctial orbital elements (0 Replies)
9. classical orbital elements of a hyperbolic flyby orbit (0 Replies)
10. cubic spline "fit" and interpolation of tabular data (0 Replies)
11. mean and osculating classical orbital elements (0 Replies)
12. predicting perigee and apogee of the Moon (0 Replies)
13. converting a state vector to C3, RLA and DLA (0 Replies)
14. single impulse deorbit from an elliptical orbit (0 Replies)
15. Low-precision ephemeris for the Sun, Moon and planets (0 Replies)
16. Osculating orbital elements of the Moon (0 Replies)
17. Shadow Conditions of Earth Satellites - Kozai orbit propagation (0 Replies)
18. Constant Amount Applied to Principal (0 Replies)
19. Runge–Kutta–Fehlberg RKF System of ODEs Working CAS Function (0 Replies)
20. computing B plane coordinates (0 Replies)
21. Impulsive deorbit from a circular Earth orbit (1 Reply)
22. Working Runge–Kutta–Fehlberg RKF for one equation (1 Reply)
23. Contour Plots (1 Reply)
24. Runge-Kutta 1.1 Please Check If it's Broken or Not (0 Replies)
25. SVD - Singular Value Decomposition 14-FEB-2017 (12 Replies)
26. Nodal period of an Earth satellite - numerical integration solution (0 Replies)
27. Calculating the orbital periods of an Earth satellite (0 Replies)
28. calculating the transfer/included angle between two coplanar position vectors (0 Replies)
29. Creating a Chebyshev ephemeris of an inner planet (0 Replies)
30. Creating a Chebyshev ephemeris of the sun (0 Replies)