Spacecraft information: ASTRA 1B
| Launched | 1 March 1991 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Europe's Spaceport, Kourou, French Guiana |
| Owner | SES |
| NORAD ID | 21139 |
| COSPAR ID | 1991-015A |
| Observing |
Current orbital elements
| Inclination | 13.341° |
| Eccentricity | 0.00102 |
| RA ascending node | 1.493 hr |
| Argument perigee | 7.204° |
| Mean anomaly | 182.132° |
| Orbital period | 1461.779 min |
| Epoch of osculation | 25 May 2026, 19:19 |
Derived Quantities
| Min Altitude | 36251.2 km |
| Mean Altitude | 36294.9 km |
| Peak Altitude | 36338.7 km |
Orbital History
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