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OV1-21
Launch Details
| Launched | 6 August 1971 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 5397 |
| COSPAR ID | 1971-067B |
| Observing |
Current orbital elements
| Inclination | 87.640° |
| Eccentricity | 0.00825 |
| RA ascending node | 12.770 hr |
| Argument perigee | 160.269° |
| Mean anomaly | 200.172° |
| Orbital period | 101.545 min |
| Epoch of osculation | 01 Apr 2025, 12:42 |
Derived Quantities
| Min Altitude | 779.5 km |
| Mean Altitude | 839.0 km |
| Peak Altitude | 898.4 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.