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Kosmos 166
Mission type	Solar imaging
COSPAR ID	1967-061A
SATCAT no.	02848
Mission duration	131 days
Spacecraft properties
Spacecraft type	DS-U3-S
Manufacturer	Yuzhnoye
Launch mass	400 kg
Start of mission
Launch date	16 June 1967, 04:44:00 GMT
Rocket	Kosmos-2I 63SM
Launch site	Kapustin Yar, 86/1
Contractor	Yuzhnoye
End of mission
Decay date	25 October 1967
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	281 km
Apogee altitude	553 km
Inclination	48.4°
Period	92.6 minutes
Epoch	16 June 1967

Kosmos 166 (Russian: Космос 166 meaning Cosmos 166), also known as DS-U3-S No.1, was a satellite which was launched by the Soviet Union in 1967 as part of the Dnepropetrovsk Sputnik programme. It was a 400 kilograms (880 lb) spacecraft,^[1] which was built by the Yuzhnoye Design Office, and was used to conduct multispectral imaging of the Sun.^[3]

Kosmos 166 was launched from Site 86/1 at Kapustin Yar, aboard a Kosmos-2I 63SM carrier rocket.^[4] The launch occurred at 04:44:00 GMT on 16 June 1967, and resulted in the successful insertion of the satellite into a low Earth orbit.^[5] Upon reaching orbit, the satellite was assigned its Kosmos designation, and received the International Designator 1967-061A.^[1] The North American Air Defense Command assigned it the catalogue number 02848.^[1]

Kosmos 166 was the first of two DS-U3-S satellites to be launched,^[3] the other being Kosmos 230.^[6] It was operated in an orbit with a perigee of 281 kilometres (175 mi), an apogee of 553 kilometres (344 mi), an inclination of 48.4°, and an orbital period of 92.6 minutes.^[2] It completed operations on 26 September 1967,^[7] before decaying from orbit and reentering the atmosphere on 25 October.^[8]

References

^ ^a ^b ^c ^d "Cosmos 166:Display 1967-061A". nssdc.gsfc.nasa.gov. NASA. 27 February 2020. Retrieved 17 April 2020. This article incorporates text from this source, which is in the public domain.
^ ^a ^b "Cosmos 166:Trajectory 1967-061A". nssdc.gsfc.nasa.gov. NASA. 27 February 2020. Retrieved 17 April 2020. This article incorporates text from this source, which is in the public domain.
^ ^a ^b Wade, Mark. "DS-U3-S". Encyclopedia Astronautica. Archived from the original on 8 January 2010. Retrieved 26 December 2009.
^ McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 26 December 2009.
^ Wade, Mark. "Kosmos 2". Encyclopedia Astronautica. Archived from the original on 18 June 2012. Retrieved 26 December 2009.
^ Krebs, Gunter. "DS-U3-S". Gunter's Space Page. Retrieved 26 December 2009.
^ "World Civil Satellites 1957-2006". Space Security Index. Archived from the original on 18 July 2011. Retrieved 26 December 2009.
^ McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 26 December 2009.