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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 | 97.998° |
| Eccentricity | 0.00010 |
| RA ascending node | 15.292 hr |
| Argument perigee | 317.469° |
| Mean anomaly | 172.478° |
| Orbital period | 98.582 min |
| Epoch of osculation | 20 Jun 2025, 12:49 |
Derived Quantities
| Min Altitude | 697.3 km |
| Mean Altitude | 698.0 km |
| Peak Altitude | 698.7 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.
Launched alongside
ATLAS 2A CENTAUR R/B