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Spacecraft information: ESSA 1
Launch Details
| Launched | 2 February 1966 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 1982 |
| COSPAR ID | 1966-008A |
| Alternative names |
OT-3 |
| Observing |
Current orbital elements
| Inclination | 97.822° |
| Eccentricity | 0.00798 |
| RA ascending node | 8.227 hr |
| Argument perigee | 1.228° |
| Mean anomaly | 358.909° |
| Orbital period | 99.426 min |
| Epoch of osculation | 26 Mar 2026, 08:44 |
Derived Quantities
| Min Altitude | 681.6 km |
| Mean Altitude | 738.3 km |
| Peak Altitude | 795.0 km |
Orbital History
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