Spacecraft information: THOR BURNER 2 R/B
| Launched | 13 October 1971 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 5556 |
| COSPAR ID | 1971-087B |
| Observing |
Current orbital elements
| Inclination | 99.097° |
| Eccentricity | 0.00626 |
| RA ascending node | 3.406 hr |
| Argument perigee | 38.380° |
| Mean anomaly | 322.181° |
| Orbital period | 101.123 min |
| Epoch of osculation | 26 Mar 2026, 10:03 |
Derived Quantities
| Min Altitude | 773.9 km |
| Mean Altitude | 818.9 km |
| Peak Altitude | 864.0 km |
Launched alongside
OPS 4311Orbital History
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