Spacecraft information: ESSA 1
| 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 | 97.809° |
| Eccentricity | 0.00784 |
| RA ascending node | 16.846 hr |
| Argument perigee | 288.553° |
| Mean anomaly | 70.717° |
| Orbital period | 99.423 min |
| Epoch of osculation | 13 Aug 2026, 01:19 |
Derived Quantities
| Min Altitude | 682.4 km |
| Mean Altitude | 738.1 km |
| Peak Altitude | 793.8 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.