Spacecraft information: ESSA 8
| Launched | 14 December 1968 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 3615 |
| COSPAR ID | 1968-114A |
| Alternative names |
TOS-F |
| Observing |
Current orbital elements
| Inclination | 101.678° |
| Eccentricity | 0.00317 |
| RA ascending node | 20.428 hr |
| Argument perigee | 298.892° |
| Mean anomaly | 60.897° |
| Orbital period | 114.627 min |
| Epoch of osculation | 26 Dec 2025, 07:54 |
Derived Quantities
| Min Altitude | 1420.8 km |
| Mean Altitude | 1445.6 km |
| Peak Altitude | 1470.4 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.