CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0014
Kosmos-1662 SS 4
ESO
Kosmos-1662 SS 4 (NORAD 16017) re-entered Earth’s atmosphere on 19 January 1987, after 1 year, 7 months in orbit.
Official dateIdentified from the historical record
NORAD number
16017
International designator
1985-050K
Object type
Spacecraft
Official listing
COSMOS 1662 DEBListed as a fragment
Country
USSR
Launched
19 Jun 1985Baikonur Cosmodrome
Re-entered (UTC)
19 Jan 1987UTC calendar day
Time in orbit
1 year, 7 months579 days
How it ended
Re-entered (natural decay)
Latitude range
65.8°N to 65.8°SFinal inclination 65.8°
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 65.8°, allowed a re-entry anywhere between 65.8°N and 65.8°S.
Life in orbit
1 year, 7 monthsKosmos-1662 SS 4’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1985-0501986-0396Kosmos-1662 SS 31986-0407Kosmos-1662 SS 21986-0505Kosmos-1662 SS 61986-0530Kosmos-1662 SS 11987-0107Kosmos-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 151987-0384Kosmos-1662 SS 16
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0014
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0014
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.