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PROSPERO
Launch Details
| Launched | 27 October 1971 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Woomera, Australia |
| Owner | United Kingdom |
| NORAD ID | 5580 |
| COSPAR ID | 1971-093A |
| Alternative names |
BLACK ARROW |
| Observing |
Current orbital elements
| Inclination | 82.040° |
| Eccentricity | 0.05267 |
| RA ascending node | 19.856 hr |
| Argument perihelion | 275.921° |
| Mean anomaly | 78.219° |
| Orbital period | 103.242 min |
| Epoch of osculation | 01 Dec 2021, 07:10 |
Derived Quantities
| Min Altitude | 535.1 km |
| Mean Altitude | 919.1 km |
| Peak Altitude | 1303.0 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.