2026-244Latest orbital launch: Falcon 9 · Starlink Group 15-16 · Oct 27, 2026 · VandenbergLaunch record →
sci-techmaventhe history of spaceflight, in data
  1. Home
  2. Launches
  3. 1971
  4. 1971-032
// orbital launch

DOS-1 17K No. 121

Proton-K launch from Baikonur (Soviet Union) on April 19, 1971, carrying 1 payload. GCAT records the launch as a success.

April 19, 1971 · 01:40 UTCLaunch 1971-032Launch no. 1,204 in the log
RocketProton-K
SpaceportBaikonurpad LC81/24
OutcomeSuccess
Launch agencyRVSNSoviet Union

Flight

Date and time (UTC)
April 19, 1971, 01:40
Launch designation
1971-032
Mission
DOS-1 17K No. 121
Flight name
Salyut
Vehicle flight ID
254-01

Orbit and payload

Initial apogee
318 km
Payload mass to orbit
18.2 t
Payloads
1
GCAT launch code
OS

Payloads

PayloadDesignationOwnerMission typeMassFate
Salyut1971-032ANORAD 5160Central KB for Experimental Machine BuildingHuman spaceflight18.2 tDeorbited · Oct 11, 1971

Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.