CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2026-0986
COSMOS 1707
COSMOS 1707 (NORAD 16326) re-entered Earth’s atmosphere on 17 September 2026, after 40 years, 9 months in orbit.
Official date
NORAD number
16326
International designator
1985-113A
Object type
Spacecraft
Country
USSR
Launched
12 Dec 1985Plesetsk Cosmodrome
Re-entered (UTC)
17 Sep 2026UTC calendar day
Time in orbit
40 years, 9 months14,889 days
How it ended
Re-entered
Latitude range
82.5°N to 82.5°SFinal inclination 82.5°
Mass
1,750 kg
Operator
GRU
Built by
Southern SDB
Bus
Tselina-D
Programme
Tselina-D
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 82.5°, allowed a re-entry anywhere between 82.5°N and 82.5°S.
Life in orbit
40 years, 9 monthsCOSMOS 1707’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 17 Sep 2026
1 entry
Entered in the Orbital Register™ on 7 November 2026.
Record version 1 · No corrections · orbitalradar.com/register/2026-0986
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2026-0986
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.