Index of dist/ sgp4-theory/ foundations/
- ..
- 01-brouwer-1959/
- 02-lyddane-1963/
- 03-str-1/
- 04-str-2/
- 05-hoots-1981/
- 06-kelso-2007/
- 07-wgs-72/
- 08-wgs-84/
- 09-iers-2010/
- 10-tapley-1975/
- 11-kozai-1959/
- 12-lane-cranford-1969/
- 13-liu-1974/
- 14-vallado-2006/
- 15-crawford-1995/
- 16-vallado-rev3/
- 17-vallado-sgp4-od-2008/
- 18-vallado-2013/
- 19-wakker-2015/
- 20-vallado-icatt-2010/