| Geodetic satellites (spherical satellites) e.g. Lageos 1+2, Lares, Starlette, Stella, Etalon 1+2, Larets |  |
| navigation satellites: GPS, GLONASS, Galileo, Compass |  |
| Earth observation satellites (with an altimeter) e.g. Cryosat, Jason |  |
| Gravimetry satellites e.g. CHAMP, GRACE A+B, (GOCE) |  |
| Special satellites e.g. Tethered satellite TiPS, Gravity Probe B |  |
