Spacecraft information: OPS 9342
| Launched | 12 June 1968 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 3285 |
| COSPAR ID | 1968-050B |
| Alternative names |
IDSCS 21 |
| Observing |
Current orbital elements
| Inclination | 7.102° |
| Eccentricity | 0.00144 |
| RA ascending node | 3.491 hr |
| Argument perigee | 154.976° |
| Mean anomaly | 0.438° |
| Orbital period | 1335.564 min |
| Epoch of osculation | 10 Apr 2026, 06:57 |
Derived Quantities
| Min Altitude | 33744.3 km |
| Mean Altitude | 33802.2 km |
| Peak Altitude | 33860.1 km |
Orbital History
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