CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0501
Kosmos-1662 SS 21
ESO
Kosmos-1662 SS 21 (NORAD 17158) re-entered Earth’s atmosphere on 27 October 1987, after 2 years, 4 months in orbit.
Official dateIdentified from the historical record
NORAD number
17158
International designator
1985-050AC
Object type
Spacecraft
Official listing
COSMOS 1662 DEBListed as a fragment
Country
USSR
Launched
19 Jun 1985Baikonur Cosmodrome
Re-entered (UTC)
27 Oct 1987UTC calendar day
Time in orbit
2 years, 4 months860 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
2 years, 4 monthsKosmos-1662 SS 21’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 27 Oct 1987
2 entriesFrom the same launch
1985-0501986-0396Kosmos-1662 SS 31986-0407Kosmos-1662 SS 21986-0505Kosmos-1662 SS 61986-0530Kosmos-1662 SS 11987-0014Kosmos-1662 SS 41987-0107Kosmos-1662 SS 51987-0120Kosmos-1662 SS 101987-0152Kosmos-1662 SS 81987-0163Kosmos-1662 SS 71987-0169Kosmos-1662 SS 91987-0370Kosmos-1662 SS 131987-0371Kosmos-1662 SS 15
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0501
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0501
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.