Spacecraft information: SECOR 8
| Launched | 4 October 1966 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 2520 |
| COSPAR ID | 1966-089B |
| Alternative names |
EGRS 8 |
| Observing |
Current orbital elements
| Inclination | 89.850° |
| Eccentricity | 0.00151 |
| RA ascending node | 2.126 hr |
| Argument perigee | 26.183° |
| Mean anomaly | 333.979° |
| Orbital period | 167.657 min |
| Epoch of osculation | 02 Apr 2026, 05:43 |
Derived Quantities
| Min Altitude | 3685.6 km |
| Mean Altitude | 3700.8 km |
| Peak Altitude | 3716.1 km |
Launched alongside
OPS 1920Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.