Spacecraft information: TDRS 1
| Launched | 3 April 1983 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 13969 |
| COSPAR ID | 1983-026B |
| Observing |
Current orbital elements
| Inclination | 8.575° |
| Eccentricity | 0.00216 |
| RA ascending node | 21.347 hr |
| Argument perigee | 265.274° |
| Mean anomaly | 117.038° |
| Orbital period | 1458.288 min |
| Epoch of osculation | 18 Aug 2026, 13:22 |
Derived Quantities
| Min Altitude | 36135.1 km |
| Mean Altitude | 36227.0 km |
| Peak Altitude | 36318.9 km |
Orbital History
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