Spacecraft information: TELSTAR 12
| Launched | 18 October 1999 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | United States |
| NORAD ID | 25949 |
| COSPAR ID | 1999-059A |
| Alternative names |
ORION 2 |
| Observing |
Current orbital elements
| Inclination | 8.239° |
| Eccentricity | 0.00154 |
| RA ascending node | 4.329 hr |
| Argument perigee | 226.975° |
| Mean anomaly | 171.808° |
| Orbital period | 1461.960 min |
| Epoch of osculation | 19 Dec 2025, 18:51 |
Derived Quantities
| Min Altitude | 36232.9 km |
| Mean Altitude | 36298.5 km |
| Peak Altitude | 36364.0 km |
Launched alongside
ARIANE 44LP R/BOrbital History
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