Kosmos 1783

Soviet US-K missile early warning satellite. Kosmos 1783 was launched on October 3, 1986 aboard a Molniya 8K78M from Plesetsk. Latest status in GCAT: reentered (orbital decay) (Oct 30, 2024).

COSPAR 1986-075ANORAD 16993Soviet Union

Identity

Name in GCAT: Kosmos-1783
Common name: Kosmos 1783
Payload designation: Oko 73D6 No. 6037
Other names: 73D6 No. 782-36-778:RA
International designator: 1986-075A
NORAD catalog number: 16993
GCAT identifier: S16993
UN registration: ST/SG/SER.E/153

Mission

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

Launch

Date: October 3, 1986 · 13:05 UTC
Launch record: 1986-075Failure · 0.4
Rocket: Molniya 8K78M
Spaceport: Plesetsk · pad LC41/1

Orbit and fate

Orbit class (GCAT): HEO
Perigee: 612 km
Apogee: 20,041 km
Inclination: 62.82°
Status: Reentered (orbital decay)
Status date: October 30, 2024
Last known active: Oct 8, 1986
End of operations: Oct 8, 1986

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 Q3398201 (CC0).