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]
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) |
Instruments edit
- 2 optical bhangmeters observing the planet
- 12 external X-ray detectors
- 18 internal neutron and gamma-ray detectors
See also edit
References edit
- ^ 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.
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