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Soyuz-21

retired

Союз-21

Human SpaceflightLEOCOSPAR 1976-064ALaunched 7/6/1976

Mission & Launch

Launch Mission: Soyuz-21 Mission
Launch Vehicle: Soyuz 11A511
Launch Date: 7/6/1976
Last Contact: 8/24/1976

Orbit & Mass

Orbit Class: LEO
Altitude: 267 km
Inclination: 51.59 deg
Dry Mass: 2,850 kg
Total Mass: 6,800 kg

Payload Classification

Mission Type: Human Spaceflight
Payload Category: SS
Payload Class: D

Organizations

Operator: NPO Energomash
Manufacturer: NPO Energomash

Registry

COSPAR ID: 1976-064A
UN Registration: A/AC.105/INF.348