![]() Post-launch separation of Vela 5A and 5B  | |
| Operator | USAF | 
|---|---|
| COSPAR ID | 1969-046D[1] | 
| SATCAT no. | 3954 | 
| Spacecraft properties | |
| Manufacturer | TRW | 
| Launch mass | 259 kilograms (571 lb) | 
| Power | 120 W | 
| Start of mission | |
| Launch date | May 23, 1969, 07:57:01 UTC | 
| Rocket | Titan III-C 15 | 
| Launch site | Cape Canaveral LC-41 | 
| Orbital parameters | |
| Reference system | Geocentric | 
| Regime | Highly Elliptical | 
| Semi-major axis | 117,689 kilometres (73,129 mi) | 
| Perigee altitude | 29,122.4 kilometres (18,095.8 mi) | 
| Apogee altitude | 193,514.6 kilometres (120,244.4 mi) | 
| Inclination | 42° | 
| Period | 6,696.8 minutes (111.613 h) | 
Vela 5A (also known Vela 9 and OPS 6909[2]) was an American reconnaissance satellite to detect explosions and nuclear tests on land and in space. It was released together with Vela 5B, OV5 5, OV5 6 and OV5 9.[3]
Instruments
- 2 optical bhangmeters observing the planet
 - 12 external X-ray detectors
 - 18 internal neutron and gamma-ray detectors
 
See also
References
- ↑  NASA Goddard Space Flight Center. "Vela 5A". Retrieved 29 September 2019. 
 This article incorporates text from this source, which is in the public domain. - ↑ Antonín Vítek. "1969-046D - Vela 9". Space 40 (in Czech). Retrieved 29 September 2019.
 - ↑ Krebs, Gunter. "Vela 7, 8, 9, 10, 11, 12 (advanced Vela)". Gunter's Space Page. Retrieved 29 September 2019.
 
    This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.
