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Table A.1
Description of the RadioAstron dynamical model.
| Gravity | |
|
|
|
| Static | EGM96 up to 75th degree/order |
| Third bodies | DE405 Sun, Moon, and all planets |
| Earth tides | IERS 2003 conventions |
| Pole tides | Solid Earth |
| Ocean tides | FES2004 up to 20th degree/order |
| General relativity | IERS 2010 conventions |
| Surface forces | |
|
|
|
| Solar radiation | Box-wing + SRT (3 parameters) |
| Earth radiation | Applied (18x9 elements) |
| Atmospheric drag | GOST R 25645.166-2004 density model |
| Reaction wheels unloadings | |
|
|
|
| Direction | Spacecraft attitude from on-board star sensors and attitude event file |
| Delta V value | From known mass of spent propellant and a priori thrust values |
| Measurements of angular momentum change of reaction wheels | |
Notes. Detailed description of the models can be found in Standish (1998), McCarthy & Petit (2004), Petit & Luzum (2010), and at http://www.gosthelp.ru/gost/gost5827.html
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