.jpg) | |
| Operator | USAF |
|---|---|
| COSPAR ID | 1967-040A[1] |
| SATCATno. | 2765[2] |
| Spacecraft properties | |
| Manufacturer | TRW |
| Launch mass | 225 kilograms (496 lb) |
| Power | 120 W |
| Start of mission | |
| Launch date | April 28, 1967, 10:01 (1967-04-28UTC10:01Z) UTC |
| Rocket | Titan III-C |
| Launch site | Cape CanaveralLC-41 |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Highly Elliptical |
| Semi-major axis | 117,619 kilometres (73,085 mi) |
| Perigee altitude | 53,631.5 kilometres (33,325.1 mi) |
| Apogee altitude | 161,866.1 kilometres (100,578.9 mi) |
| Inclination | 19.9° |
| Period | 6,690.8 minutes (111.513 h) |
Vela 4A (also knownVela 7 andOPS 6638[3]) was an Americanreconnaissancesatellite to detect explosions and nuclear tests on land and in space. It was released together withVela 4B,ERS 18,OV5 1 andOV5 3.[4]
The ship remains in orbit aroundEarth.
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