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 | 6.872° |
| Eccentricity | 0.00165 |
| RA ascending node | 3.561 hr |
| Argument perigee | 155.415° |
| Mean anomaly | 223.520° |
| Orbital period | 1335.570 min |
| Epoch of osculation | 19 Dec 2025, 15:30 |
Derived Quantities
| Min Altitude | 33736.1 km |
| Mean Altitude | 33802.3 km |
| Peak Altitude | 33868.6 km |
Orbital History
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