CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1976-0486
SOYUZ 21
SOYUZ 21 (NORAD 8934) landed after a space station visit on 24 August 1976, after 1 month in orbit.
Official date
NORAD number
8934
International designator
1976-064A
Object type
Spacecraft
Country
USSR
Launched
6 Jul 1976Baikonur Cosmodrome
Landed (UTC)
24 Aug 1976UTC calendar day
Time in orbit
1 month49 days
How it ended
Landed after a station visit
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
2,850 kg
Operator
NPO Energiya
Built by
NPO Energiya
Bus
7K-T
Programme
7K-T
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
1 monthSOYUZ 21’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 24 Aug 1976
2 entriesFrom the same launch
1976-064
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1976-0486
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1976-0486
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.