Tropical Rainfall Measuring Mission
The Tropical Rainfall Measuring Mission (TRMM) was a joint space mission between NASA and JAXA designed to monitor and study tropical rainfall. The term refers to both the mission itself and the satellite that the mission used to collect data. TRMM was part of NASA's Mission to Planet Earth, a long-term, coordinated research effort to study the Earth as a global system. The satellite was launched on 27 November 1997 from the Tanegashima Space Center in Tanegashima, Japan. TRMM operated for 17 years, including several mission extensions, before being decommissioned on 15 April 2015. TRMM re-entered Earth's atmosphere on 16 June 2015.
Artist conception of the TRMM satellite | |
| Mission type | Environmental research |
|---|---|
| Operator | NASA |
| COSPAR ID | 1997-074A |
| SATCAT no. | 25063 |
| Mission duration | 18 years |
| Spacecraft properties | |
| Launch mass | 3524 kg |
| Dry mass | 2634 kg |
| Power | 1100 watts |
| Start of mission | |
| Launch date | 27 November 1997, 21:27 UTC |
| Rocket | H-II |
| Launch site | Tanegashima, LA-Y1 |
| Contractor | Mitsubishi Heavy Industries |
| End of mission | |
| Disposal | Deorbited |
| Deactivated | 15 April 2015 |
| Decay date | 6 June 2015, 06:54 UTC |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Perigee altitude | 366 km (227 mi) |
| Apogee altitude | 381 km (237 mi) |
| Inclination | 35.0° |
| Period | 92.0 minutes |
Programme NASA Earth Probe | |
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