Soyuz 21

Crewed flight of the Soyuz programme. Soyuz 21 was launched on July 6, 1976 aboard a Soyuz 11A511 from Baikonur. Latest status in GCAT: docked with another object (Jul 7, 1976).

COSPAR 1976-064ANORAD 8934Soviet Union

Identity

Name in GCAT: Soyuz-21
Common name: Soyuz 21
Payload designation: Soyuz 7K-T No. 41
International designator: 1976-064A
NORAD catalog number: 8934
GCAT identifier: S08934
UN registration: A/AC.105/INF.348

Mission

Mission type: Human spaceflight
Use: Defense
Program: 7K-T
Owner: NPO Energiya
Country: Soviet Union
Builder: NPO Energiya
Platform (bus): 7K-T

Launch

Date: July 6, 1976 · 12:08 UTC
Launch record: 1976-064Success
Rocket: Soyuz 11A511
Spaceport: Baikonur · pad LC1

Orbit and fate

Orbit class (GCAT): LLEO/I
Perigee: 262 km
Apogee: 272 km
Inclination: 51.59°
Status: Docked with another object
Status date: July 7, 1976
Last known active: Aug 24, 1976
End of operations: Aug 24, 1976

Size

Mass: 2,850 kg
Dry mass: 2,850 kg
Total mass with attached objects: 6,800 kg
Length: 7.2 m
Diameter: 2.20 m
Span: 7.2 m

Source: GCAT payload, deep-space and lander catalogs, Jonathan C. McDowell (CC BY 4.0); Wikidata Q426781 (CC0).