| Name of Satellite, Alternate Names | Grace 2 (Gravity Recovery and Climate Experiment, "Tom and Jerry") |
| Country of Operator/Owner | Germany/USA |
| Operator/Owner | GeoForschungsZentrum (GFZ)/Center for Space Research, University of Texas |
| Users | Civil |
| Purpose | Earth Science |
| Class of Orbit | LEO |
| Type of Orbit | Polar |
| Longitude of GEO (degrees) | 0 |
| Perigee (km) | 434 |
| Apogee (km) | 451 |
| Eccentricity | 0.00124770642201835 |
| Inclination (degrees) | 89 |
| Period (minutes) | 93.4 |
| Launch Mass (kg.) | 480 |
| Dry Mass (kg.) | 445 |
| Power (watts) | 150 |
| Date of Launch | 17-03-2002 |
| Expected Lifetime | 5 yrs. |
| Contractor | Jet Propulsion Laboratory (NASA)/Space Systems/Loral/Astrium GmBH |
| Country of Contractor | Germany/USA |
| Launch Site | Plesetsk Cosmodrome |
| Launch Vehicle | Rokot |
| COSPAR Number | 2002-012B |
| NORAD Number | 27392 |
| Comments | Map gravitational mini-variations caused by sea-level changes, glaciers and melting/freezing of ice sheets by measuring distance between satellites. |