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Spacecraft information: BLACK ARROW R/B
Launch Details
| Launched | 27 October 1971 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Woomera, Australia |
| Owner | United Kingdom |
| NORAD ID | 5581 |
| COSPAR ID | 1971-093B |
| Observing |
Current orbital elements
| Inclination | 82.035° |
| Eccentricity | 0.05053 |
| RA ascending node | 17.682 hr |
| Argument perigee | 146.733° |
| Mean anomaly | 216.671° |
| Orbital period | 102.809 min |
| Epoch of osculation | 25 Aug 2026, 02:51 |
Derived Quantities
| Min Altitude | 531.3 km |
| Mean Altitude | 898.7 km |
| Peak Altitude | 1266.0 km |
Orbital History
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