Spacecraft information: OPS 3674
| Launched | 16 July 1964 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 837 |
| COSPAR ID | 1964-040B |
| Alternative names |
VELA 4 |
| Observing |
Current orbital elements
| Inclination | 48.718° |
| Eccentricity | 0.59588 |
| RA ascending node | 8.162 hr |
| Argument perigee | 256.477° |
| Mean anomaly | 0.786° |
| Orbital period | 6003.027 min |
| Epoch of osculation | 11 May 2026, 04:23 |
Derived Quantities
| Min Altitude | 37845.7 km |
| Mean Altitude | 103043.2 km |
| Peak Altitude | 168240.8 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.