CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0143
Kosmos-2059 SS 6
ESO
Kosmos-2059 SS 6 (NORAD 20486) re-entered Earth’s atmosphere on 7 March 1990, after 1 month in orbit.
Official dateIdentified from the historical record
NORAD number
20486
International designator
1990-012H
Object type
Spacecraft
Official listing
SL-8 DEBListed as a fragment
Country
USSR
Launched
6 Feb 1990Plesetsk Cosmodrome
Re-entered (UTC)
7 Mar 1990UTC calendar day
Time in orbit
1 month29 days
How it ended
Re-entered (natural decay)
Latitude range
65.7°N to 65.7°SFinal inclination 65.7°
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 65.7°, allowed a re-entry anywhere between 65.7°N and 65.7°S.
Life in orbit
1 monthKosmos-2059 SS 6’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 7 Mar 1990
1 entryFrom the same launch
1990-012
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0143
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0143
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.