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Spacecraft information: 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 | 0.301° |
| Eccentricity | 0.00244 |
| RA ascending node | 21.263 hr |
| Argument perigee | 327.199° |
| Mean anomaly | 303.223° |
| Orbital period | 1466.954 min |
| Epoch of osculation | 20 Dec 2025, 11:22 |
Derived Quantities
| Min Altitude | 36291.1 km |
| Mean Altitude | 36395.6 km |
| Peak Altitude | 36500.0 km |
Orbital History
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