CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0358
Kosmos-1601 SS 20
ESO
Kosmos-1601 SS 20 (NORAD 16077) re-entered Earth’s atmosphere on 11 June 1988, after 3 years, 8 months in orbit.
Official dateIdentified from the historical record
NORAD number
16077
International designator
1984-104AB
Object type
Spacecraft
Official listing
COSMOS 1601 DEBListed as a fragment
Country
USSR
Launched
27 Sep 1984Plesetsk Cosmodrome
Re-entered (UTC)
11 Jun 1988UTC calendar day
Time in orbit
3 years, 8 months1,353 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
3 years, 8 monthsKosmos-1601 SS 20’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Jun 1988
1 entryFrom the same launch
1984-1041988-0125Kosmos-1601 SS 21988-0138Kosmos-1601 SS 51988-0155Kosmos-1601 SS 101988-0156Kosmos-1601 SS 171988-0159Kosmos-1601 SS 41988-0165Kosmos-1601 SS 11988-0178Kosmos-1601 SS 151988-0187Kosmos-1601 SS 141988-0209Kosmos-1601 SS 71988-0221Kosmos-1601 SS 181988-0241Kosmos-1601 SS 211988-0244Kosmos-1601 SS 16
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0358
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0358
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.