The U.S. Space Force's Simplified General Perturbations software, version 4, must be used to correctly interpret the orbit data format known as TLE (Two-Line Elements).
Questions tagged [sgp4]
46 questions
3
votes
2 answers
Can I redistribute the SGP4 lib?
I'm writing a C# library to make working with orbits easier.
Given I plan on being able to input data from space-track elsats, which uses TEME SGP4 orbital elements, it's looking increasingly likely that I'm going to need to use their SGP4 lib for…
ScottishTapWater
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2
votes
1 answer
SGP4 gravity model accuracy
From a simulation, I obtain the instantaneous radius vector of the SFERA 2 satellite.
If I compare that radius vector with the one obtained from the SGP4 propagator, I get very big differences. The following graph shows what I mean:
How the radius…
Cristiano
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