CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0400
COSMOS 1688
COSMOS 1688 (NORAD 16107) re-entered Earth’s atmosphere on 2 July 1988, after 2 years, 9 months in orbit.
Official date
NORAD number
16107
International designator
1985-089A
Object type
Spacecraft
Country
USSR
Launched
2 Oct 1985Kapustin Yar
Re-entered (UTC)
2 Jul 1988UTC calendar day
Time in orbit
2 years, 9 months1,004 days
How it ended
Re-entered (natural decay)
Latitude range
50.6°N to 50.6°SFinal inclination 50.6°
Mass
1,045 kg
Operator
PVO
Built by
Southern SDB
Bus
Romb
Programme
Taifun-2V
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 50.6°, allowed a re-entry anywhere between 50.6°N and 50.6°S.
Life in orbit
2 years, 9 monthsCOSMOS 1688’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 2 Jul 1988
2 entriesFrom the same launch
1985-089
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0400
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0400
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.