Gravity models used to compute geostationary drift rate.
| Member | Value | Description |
|---|---|---|
| eVAGeoStationaryDriftRatePointMass | 0 | Computes drift rate using two-body point mass gravity model. |
| eVAGeoStationaryDriftRatePointMassPlusJ2 | 1 | Computes drift rate using gravity model that includes point mass plus secular effect of J2. |





