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OPS 3811
Launch Details
| Launched | 4 May 1971 |
| Flight ended | – |
| Status | Partially operational |
| Category |
Active satellites
|
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 5204 |
| COSPAR ID | 1971-039A |
| Alternative names |
DSP 2 |
| Observing |
Current orbital elements
| Inclination | 0.505° |
| Eccentricity | 0.00218 |
| RA ascending node | 19.792 hr |
| Argument perigee | 343.719° |
| Mean anomaly | 135.358° |
| Orbital period | 1466.962 min |
| Epoch of osculation | 15 Sep 2025, 05:22 |
Derived Quantities
| Min Altitude | 36302.3 km |
| Mean Altitude | 36395.7 km |
| Peak Altitude | 36489.2 km |
Orbital History
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