Kosmos 903

Russian military early warning satellite. Kosmos 903 was launched on April 11, 1977 aboard a Molniya 8K78M from Plesetsk. Latest status in GCAT: reentered (orbital decay) (Aug 4, 2014).

COSPAR 1977-027ANORAD 9911Soviet Union

Identity

Name in GCAT: Kosmos-903
Common name: Kosmos 903
Payload designation: US-K 5V95 No. 3004 (IR)
International designator: 1977-027A
NORAD catalog number: 9911
GCAT identifier: S09911
UN registration: A/AC.105/INF.362

Mission

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

Launch

Date: April 11, 1977 · 01:38 UTC
Launch record: 1977-027Success
Rocket: Molniya 8K78M
Spaceport: Plesetsk · pad LC43/3

Orbit and fate

Orbit class (GCAT): HEO/M
Perigee: 646 km
Apogee: 39,720 km
Inclination: 62.84°
Status: Reentered (orbital decay)
Status date: August 4, 2014
Last known active: Jun 5, 1978
End of operations: Jun 5, 1978

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 Q3399243 (CC0).