Contents

Gpredict Documents

• A draft version of the user manual is available here
• The design document will also be available shortly.

Reference Documents

1. SpaceTrack Report number 3 describes the SGP, SGP4, SDP4, SGP8, and SDP8 propagation models and provides code exmaples in FORTRAN. The document also contains references to the original publications.
2. The Keplerian Elements Short Tutorial by Miguel Menendez Vazquez, EA1BCU, gives a good introduction on the two-line file format used for distribution of Keplerian Elements (TLE data).
3. The Seven (or Eight) Keplerian Elements provides detailed descriptions of the individual terms that are part of the two-line data.