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// missile early warning · 1987

Kosmos 1894

Russian military early warning satellite. Kosmos 1894 was launched on October 28, 1987 aboard a Proton-K/DM-2 from Baikonur. Latest status in GCAT: in orbit.

COSPAR 1987-091ANORAD 18443Soviet Union

Identity

Name in GCAT
Kosmos-1894
Common name
Kosmos 1894
Payload designation
Oko-S No. 7423
Other names
US-KS:P,74Kh6 No. 523-97-546:RA
International designator
1987-091A
NORAD catalog number
18443
GCAT identifier
S18443
UN registration
ST/SG/SER.E/175

Mission

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

Launch

Date
October 28, 1987 · 15:15 UTC
Launch record
1987-091Success
Spaceport
Baikonur · pad LC200/40

Orbit and fate

Orbit class (GCAT)
GEO/D
Perigee
35,917 km
Apogee
36,175 km
Inclination
1.21°
Status
In orbit
Last known active
November 1991
End of operations
November 1991

Size

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

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q3399163 (CC0).