CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0120
SOYUZ-T 1
SOYUZ-T 1 (NORAD 11640) landed after a space station visit on 25 March 1980, after 3 months in orbit.
Official date
NORAD number
11640
International designator
1979-103A
Object type
Spacecraft
Country
USSR
Launched
16 Dec 1979Baikonur Cosmodrome
Landed (UTC)
25 Mar 1980UTC calendar day
Time in orbit
3 months100 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-ST
Programme
7K-ST
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
3 monthsSOYUZ-T 1’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 25 Mar 1980
2 entriesFrom the same launch
1979-103
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0120
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0120
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.