Kosmos 557

Soviet Salyut space station that malfunctioned shortly after launch. Kosmos 557 was launched on May 11, 1973 aboard a Proton-K from Baikonur. Latest status in GCAT: reentered (orbital decay) (May 22, 1973).

COSPAR 1973-026ANORAD 6498Soviet Union

Identity

Name in GCAT: Kosmos-557
Common name: Kosmos 557
Payload designation: DOS-3
Other names: 17K No. 123-01:P
International designator: 1973-026A
NORAD catalog number: 6498
GCAT identifier: S06498
UN registration: A/AC.105/INF.274

Mission

Mission type: Human spaceflight
Use: Civil government
Program: DOS
Owner: TsKBEM
Country: Soviet Union
Builder: ZIKh (Zavod im. M.V. Khrunichev)
Platform (bus): Almaz

Launch

Date: May 11, 1973 · 00:20 UTC
Launch record: 1973-026Success
Rocket: Proton-K
Spaceport: Baikonur · pad LC81/23

Orbit and fate

Orbit class (GCAT): LLEO/I
Perigee: 208 km
Apogee: 237 km
Inclination: 51.59°
Status: Reentered (orbital decay)
Status date: May 22, 1973
Last known active: May 11, 1973
End of operations: May 11, 1973

Size

Mass: 18.5 t
Dry mass: 18.5 t
Length: 13.1 m
Diameter: 4.20 m
Span: 13.1 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q1420942 (CC0).