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// missile early warning · 1985

Kosmos 1687

Russian military early warning satellite. Kosmos 1687 was launched on September 30, 1985 aboard a Molniya 8K78M from Plesetsk. Latest status in GCAT: in orbit.

COSPAR 1985-088ANORAD 16103Soviet Union

Identity

Name in GCAT
Kosmos-1687
Common name
Kosmos 1687
Payload designation
Oko 73D6 No. 6030
Other names
73D6 No. 190-34-178:RA
International designator
1985-088A
NORAD catalog number
16103
GCAT identifier
S16103
UN registration
ST/SG/SER.E/138

Mission

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

Launch

Date
September 30, 1985 · 19:23 UTC
Launch record
1985-088Success
Spaceport
Plesetsk · pad LC16/2

Orbit and fate

Orbit class (GCAT)
HEO/M
Perigee
810 km
Apogee
39,549 km
Inclination
62.90°
Status
In orbit
Last known active
Nov 13, 1985
End of operations
Nov 13, 1985

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 Q3398232 (CC0).