Spacecraft information: IUE
| Launched | 25 January 1978 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 10637 |
| COSPAR ID | 1978-012A |
| Observing |
Current orbital elements
| Inclination | 36.816° |
| Eccentricity | 0.14539 |
| RA ascending node | 19.256 hr |
| Argument perigee | 267.076° |
| Mean anomaly | 288.093° |
| Orbital period | 1438.823 min |
| Epoch of osculation | 21 May 2026, 04:29 |
Derived Quantities
| Min Altitude | 29709.1 km |
| Mean Altitude | 35847.1 km |
| Peak Altitude | 41985.0 km |
Orbital History
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