| Operator | USAF | 
|---|---|
| COSPAR ID | 1967-040B[1] | 
| SATCAT no. | 2766[2] | 
| Spacecraft properties | |
| Manufacturer | TRW | 
| Launch mass | 225 kilograms (496 lb) | 
| Power | 120 W | 
| Start of mission | |
| Launch date | April 28, 1967, 10:01 UTC | 
| Rocket | Titan 3C-10 | 
| Launch site | Cape Canaveral LC-41 | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Highly Elliptical | 
| Perigee altitude | 107,337 kilometres (66,696 mi) | 
| Apogee altitude | 114,612 kilometres (71,217 mi) | 
| Inclination | 33.06° | 
| Period | 6,671.8 minutes (111.197 h) | 
| Epoch | 1 May 1967 | 
Vela 4B (also known Vela 8 and OPS 6679[3]) was an American reconnaissance satellite to detect explosions and nuclear tests on land and in space. It was released together with Vela 4A, ERS 18, OV5 1 and OV5 3.[4]
Instruments
See also
References
- ↑  NASA Goddard Space Flight Center. "Vela 4B". Retrieved 28 September 2019.  This article incorporates text from this source, which is in the public domain. This article incorporates text from this source, which is in the public domain.
- ↑ Ford, Dominic. "OPS 6679". In-The-Sky.org. Retrieved 28 September 2019.
- ↑ Antonín Vítek. "1967-040B - Vela 8". Space 40. Retrieved 28 September 2019.
- ↑ Krebs, Gunter. "Vela 7, 8, 9, 10, 11, 12 (advanced Vela)". Gunter's Space Page. Retrieved 28 September 2019.
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