||This article contains orbital elements but does not include an epoch, or date when those elements, which typically vary over time, were correct.|
|Mission type||Venus lander|
|Mission duration||Launch failure|
|Launch mass||6,510 kilograms (14,350 lb)|
|Dry mass||1,106 kilograms (2,438 lb)|
|Start of mission|
|Launch date||17 June 1967, 02:36:38UTC|
|Rocket||Molniya-M 8K78M 15000-070|
|Launch site||Baikonur 1/5|
|End of mission|
|Decay date||25 June 1967|
|Perigee||187 kilometres (116 mi)|
|Apogee||262 kilometres (163 mi)|
Kosmos 167 (Russian: Космос 167 meaning Cosmos 167), or 4V-1 No.311, was a 1967 Soviet spacecraft intended to explore Venus. A 4V-1 spacecraft launched as part of the Venera programme, Kosmos 167 was intended to land on Venus, but never departed low Earth orbit due to a launch failure.
A Molniya-M carrier rocket was used to launch 3MV-4 No.6. The launch occurred from Site 1/5 at the Baikonur Cosmodrome at 02:36:38 UTC on 17 June 1967. Due to a turbopump cooling problem, the rocket's Blok-L fourth stage failed to ignite, and as a result the spacecraft never departed its parking orbit. It was deployed into a low Earth orbit with a perigee of 187 kilometres (116 mi), an apogee of 262 kilometres (163 mi), and 51.8 degrees of inclination to the equator. The spacecraft was named Kosmos 167, part of a series typically used for military and experimental satellites in order to cover up the failure; had it departed Earth orbit it would have received the next designation in the Venera series, at the time Venera 5. Kosmos 167 was destroyed when it reentered the Earth's atmosphere on 25 June 1967.
- Krebs, Gunter. "Interplanetary Probes". Gunter's Space Page. Retrieved 11 April 2013.
- "Cosmos 167". U.S. National Space Science Data Center. Retrieved 11 April 2013.
- McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 11 April 2013.
- Siddiqi, Asif A. (2002). "1967". Deep Space Chronicle: A Chronology of Deep Space and Planetary Probes 1958-2000 (PDF). Monographs in Aerospace History, No. 24. NASA History Office. pp. 61–68.
- McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 11 April 2013.
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