| Mission type | Optical imaging |
|---|---|
| COSPAR ID | 1966-091A[1] |
| SATCAT no. | 2491 |
| Mission duration | 7 days[2] |
| Spacecraft properties | |
| Spacecraft type | Zenit-2 |
| Manufacturer | OKB-1 |
| Launch mass | 4,730.0 kilograms (10,427.9 lb)[1] |
| Start of mission | |
| Launch date | 14 October 1966, 12:13:08 UTC[3] |
| Rocket | Vostok-2 |
| Launch site | Plesetsk 41/1 |
| End of mission | |
| Disposal | Recovered |
| Landing date | 21 October 1966, 06:14 UTC[2] |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Low Earth |
| Perigee altitude | 180 kilometres (110 mi) |
| Apogee altitude | 312 kilometres (194 mi) |
| Inclination | 64.6 degrees |
| Period | 89.42 minutes |
| Epoch | 14 October 1966[4] |
Kosmos 129 ([Космос 129] Error: ((Lang-xx)): text has italic markup (help) meaning Cosmos 129) or Zenit-2 No.33 was a Soviet optical film-return reconnaissance satellite launched in 1966. A Zenit-2 spacecraft, Kosmos 129 was the forty-second of eighty-one such satellites to be launched[5][6] and had a mass of 4,730.0 kilograms (10,427.9 lb).[1]
Kosmos 129 was launched by a Vostok-2 rocket, serial number U1500-05,[7] flying from Site 41/1 at the Plesetsk Cosmodrome. The launch took place at 12:13:08 UTC on 14 October 1966,[3] and following its successful arrival in orbit the spacecraft received its Kosmos designation; along with the International Designator 1966-091A and the Satellite Catalog Number 2491.[1]
Kosmos 129 was operated in a low Earth orbit; at an epoch of 14 October 1966 it had a perigee of 180 kilometres (110 mi), an apogee of 312 kilometres (194 mi) inclination of 64.6 degrees and an orbital period of 89.42 minutes.[4] After seven days in orbit, Kosmos 129 was deorbited, with its return capsule descending under parachute and landing at 06:14 UTC on 21 October 1966.[2]
References
- ^ a b c d "Cosmos 129". National Space Science Data Center. Retrieved 4 January 2014.
- ^ a b c Christy, Robert. "Zenit Satellites - Zenit-2 variant". Zarya.info. Retrieved 4 January 2014.
- ^ a b McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 4 January 2014.
- ^ a b McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 4 January 2014.
- ^ Krebs, Gunter. "Zenit-2 (11F61)". Gunter's Space Page. Retrieved 4 January 2014.
- ^ Wade, Mark. "Zenit-2". Encyclopedia Astronautica. Archived from the original on 21 April 2012. Retrieved 4 January 2014.
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