| Mission type | Test flight |
|---|---|
| Operator | Experimental Design Bureau (OKB-1) |
| COSPAR ID | 1967-009A |
| SATCAT no. | 02667 |
| Mission duration | 2 days |
| Spacecraft properties | |
| Spacecraft | Soyuz 7K-OK No.3 |
| Spacecraft type | Soyuz 7K-OK |
| Manufacturer | Experimental Design Bureau (OKB-1) |
| Launch mass | 6450 kg[1] |
| Landing mass | 2500 kg |
| Dimensions | 7.13 m (23.4 ft) long 2.72 m (8 ft 11 in) wide |
| Start of mission | |
| Launch date | 7 February 1967, 03:21 GMT[2] |
| Rocket | Soyuz 11A511 s/n U15000-03 |
| Launch site | Baikonur, Site 1/5[1] |
| Contractor | Experimental Design Bureau (OKB-1) |
| End of mission | |
| Landing date | 9 February 1967 |
| Landing site | Aral Sea, Kazakhstan |
| Orbital parameters | |
| Reference system | Geocentric orbit[2] |
| Regime | Low Earth orbit |
| Perigee altitude | 165.0 km |
| Apogee altitude | 218.0 km |
| Inclination | 51.7° |
| Period | 88.5 minutes |
Kosmos 140 (Russian: Космос 140 meaning Cosmos 140), Soyuz 7K-OK No.3, was an uncrewed flight of the Soyuz spacecraft.[3] It was the third attempted test flight of the Soyuz 7K-OK model, after orbital (Kosmos 133) and launch (Soyuz 11A511) failures of the first two Soyuz spacecraft.
- ^ a b Cite error: The named reference
Cosmoswas invoked but never defined (see the help page). - ^ a b Cite error: The named reference
Trajectorywas invoked but never defined (see the help page). - ^ "Soyuz spacecraft flights". S.P.Korolev RSC Energia. Archived from the original on 5 October 2013. Retrieved 16 April 2009.