Spacecraft information: OPS 1127
| Launched | 22 July 1969 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 4047 |
| COSPAR ID | 1969-062A |
| Alternative names |
DMSP 4B F3 |
| Observing |
Current orbital elements
| Inclination | 98.423° |
| Eccentricity | 0.00429 |
| RA ascending node | 1.909 hr |
| Argument perigee | 238.312° |
| Mean anomaly | 121.388° |
| Orbital period | 100.733 min |
| Epoch of osculation | 22 Jun 2026, 10:53 |
Derived Quantities
| Min Altitude | 769.7 km |
| Mean Altitude | 800.5 km |
| Peak Altitude | 831.2 km |
Launched alongside
THOR BURNER 2 R/BOrbital History
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