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Spacecraft information: TERRA
Launch Details
| Launched | 17 December 1999 |
| Flight ended | – |
| Status | Extended mission |
| Categories |
Assorted bright
Earth Resources Tracking and Data Relay Satellite System (TDRSS) Space & Earth Science Active satellites |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 25994 |
| COSPAR ID | 1999-068A |
| Observing |
Current orbital elements
| Inclination | 97.948° |
| Eccentricity | 0.00017 |
| RA ascending node | 12.615 hr |
| Argument perigee | 2.858° |
| Mean anomaly | 104.569° |
| Orbital period | 98.557 min |
| Epoch of osculation | 18 May 2026, 12:14 |
Derived Quantities
| Min Altitude | 695.6 km |
| Mean Altitude | 696.8 km |
| Peak Altitude | 698.0 km |
Launched alongside
ATLAS 2A CENTAUR R/BOrbital History
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