Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
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 | 97.942° |
| Eccentricity | 0.00036 |
| RA ascending node | 17.784 hr |
| Argument perigee | 78.070° |
| Mean anomaly | 356.796° |
| Orbital period | 98.553 min |
| Epoch of osculation | 07 Aug 2026, 05:51 |
Derived Quantities
| Min Altitude | 694.1 km |
| Mean Altitude | 696.6 km |
| Peak Altitude | 699.2 km |
Launched alongside
ATLAS 2A CENTAUR R/BOrbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.