CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0053
Kosmos-2053 SS 20
ESO
Kosmos-2053 SS 20 (NORAD 21023) re-entered Earth’s atmosphere on 8 February 1991, after 1 year, 1 month in orbit.
Official dateIdentified from the historical record
NORAD number
21023
International designator
1989-100Y
Object type
Spacecraft
Official listing
COSMOS 2053 DEBListed as a fragment
Country
USSR
Launched
27 Dec 1989Plesetsk Cosmodrome
Re-entered (UTC)
8 Feb 1991UTC calendar day
Time in orbit
1 year, 1 month408 days
How it ended
Re-entered (natural decay)
Latitude range
73.5°N to 73.5°SFinal inclination 73.5°
Mass
5 kg
Operator
PVO
Built by
Southern SDB
Bus
ESO
Programme
ESO
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 73.5°, allowed a re-entry anywhere between 73.5°N and 73.5°S.
Life in orbit
1 year, 1 monthKosmos-2053 SS 20’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 8 Feb 1991
2 entriesFrom the same launch
1989-1001990-0148Kosmos-2053 SS 31990-0152Kosmos-2053 SS 11990-0176Kosmos-2053 SS 51990-0180Kosmos-2053 SS 21990-0188Kosmos-2053 SS 41990-0220Kosmos-2053 SS 61990-0229Kosmos-2053 SS 71990-0237Kosmos-2053 SS 81990-0246Kosmos-2053 SS 91990-0372Kosmos-2053 SS 101990-0380Kosmos-2053 SS 111990-0477Kosmos-2053 SS 12
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0053
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0053
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.