Kosmos 2155

Russian military early warning satellite. Kosmos 2155 was launched on September 13, 1991 aboard a Proton-K/DM-2 from Baikonur. Latest status in GCAT: in orbit.

COSPAR 1991-064ANORAD 21702Soviet Union

Identity

Name in GCAT: Kosmos-2155
Common name: Kosmos 2155
Payload designation: Oko-S No. 7422
Other names: US-KS:P,74Kh6 No. 190-55-117:RA
International designator: 1991-064A
NORAD catalog number: 21702
GCAT identifier: S21702
UN registration: ST/SG/SER.E/253

Mission

Mission type: Missile early warning
Use: Defense
Program: Oko-S
Owner: PVO
Country: Soviet Union
Builder: NPO Lavochkin
Platform (bus): Oko

Launch

Date: September 13, 1991 · 17:51 UTC
Launch record: 1991-064Success
Rocket: Proton-K/DM-2
Spaceport: Baikonur · pad LC81/23

Orbit and fate

Orbit class (GCAT): GEO/S
Perigee: 35,763 km
Apogee: 35,805 km
Inclination: 1.26°
Status: In orbit
Last known active: June 1992
End of operations: June 1992

Size

Mass: 1,250 kg
Dry mass: 1,150 kg
Length: 5.0 m
Diameter: 2.00 m
Span: 10.0 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q2032466 (CC0).