Lunar Prospector | |
| Mission type | Lunar orbiter |
|---|---|
| Operator | NASA |
| COSPAR ID | 1998-001A |
| SATCAT no. | 25131 |
| Mission duration | 570 days |
| Spacecraft properties | |
| Bus | LM-100 |
| Manufacturer | Lockheed Martin |
| Launch mass | 295 kilograms (650 lb) |
| Dry mass | 126 kilograms (278 lb) |
| Power | 202.0 W |
| Start of mission | |
| Launch date | January 7, 1998, 02:28:44 UTC |
| Rocket | Athena II |
| Launch site | Cape Canaveral SLC-46 |
| Contractor | Lockheed Martin Space Systems |
| End of mission | |
| Decay date | July 31, 1999, 09:52:02 UTC |
| Orbital parameters | |
| Reference system | Selenocentric |
| Eccentricity | 0.00046 |
| Periselene altitude | 99.45 kilometers (61.80 mi) |
| Aposelene altitude | 101.2 kilometers (62.9 mi) |
| Inclination | 90.55 degrees |
| Period | 117.9 minutes |
| Epoch | January 16, 1998[1] |
| Lunar orbiter | |
| Orbital insertion | January 11, 1998, 10:28 UTC |
| Impact site | 87.7°S 42.1°E |
| Orbits | ~7060 |
| Instruments | |
| Gamma ray spectrometer (GRS) Lunar Prospector neutron spectrometer (NS) Alpha particle spectrometer (APS) Doppler gravity experiment (DGE) Magnetometer (MAG) Electron reflectometer (ER) | |
| Official insignia of the Lunar Prospector mission | |


