Vela 4B
 | |
| 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
[edit]- 2 optical bhangmeters observing Earth
- 12 external X-ray detectors
- 18 internal neutron and gamma-ray detectors
See also
[edit]References
[edit]- ^ NASA Goddard Space Flight Center. "Vela 4B". Retrieved 28 September 2019.
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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