// astronomy · 1975

COS-B

Former European gamma-ray observatory. COS-B was launched on August 9, 1975 aboard a Delta 2913 from Vandenberg. Latest status in GCAT: reentered (orbital decay) (Jan 18, 1986).

COSPAR 1975-072ANORAD 8062European Space Agency

Identity

Name in GCAT: COS-B
International designator: 1975-072A
NORAD catalog number: 8062
GCAT identifier: S08062
UN registration: A/AC.105/INF.325

Mission

Mission type: Astronomy
Use: Civil government
Program: ESA Ast
Owner: ESA
Country: European Space Agency
Builder: MBB
Platform (bus): COS-B

Launch

Date: August 9, 1975 · 01:50 UTC
Launch record: 1975-072Success
Rocket: Delta 2913
Spaceport: Vandenberg · pad SLC2W

Orbit and fate

Orbit class (GCAT): VHEO
Perigee: 2,536 km
Apogee: 96,895 km
Inclination: 92.01°
Status: Reentered (orbital decay)
Status date: January 18, 1986
Last known active: May 12, 1982
End of operations: May 12, 1982

Size

Mass: 278 kg
Dry mass: 267 kg
Length: 1.2 m
Diameter: 1.40 m
Span: 1.7 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q48711 (CC0).