Spacecraft information: OPS 4988
| Launched | 8 March 1965 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 1271 |
| COSPAR ID | 1965-016A |
| Alternative names |
GREB 6 |
| Observing |
Current orbital elements
| Inclination | 70.079° |
| Eccentricity | 0.00193 |
| RA ascending node | 18.164 hr |
| Argument perigee | 146.133° |
| Mean anomaly | 277.504° |
| Orbital period | 103.104 min |
| Epoch of osculation | 24 Apr 2026, 13:20 |
Derived Quantities
| Min Altitude | 898.5 km |
| Mean Altitude | 912.6 km |
| Peak Altitude | 926.6 km |
Launched alongside
SECOR 3 GGSE 2 THOR AGENA D R/B PORCUPINE 1 SOLRAD 7B GGSE 3 OSCAR 3 SURCAL 2 OPS 4988 DEB GGSE 3 DEBOrbital History
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