CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1985-0305
COSMOS 1678
COSMOS 1678 (NORAD 15997) landed on 12 September 1985, after 14 days in orbit.
Official date
NORAD number
15997
International designator
1985-077A
Object type
Spacecraft
Country
USSR
Launched
29 Aug 1985Plesetsk Cosmodrome
Landed (UTC)
12 Sep 1985UTC calendar day
Time in orbit
14 days14 days
How it ended
Landed
Latitude range
82.3°N to 82.3°SFinal inclination 82.3°
Mass
2,555 kg
Operator
Priroda
Built by
TsSKB
Bus
Resurs-F1
Programme
Resurs-F1
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 82.3°, allowed a re-entry anywhere between 82.3°N and 82.3°S.
Life in orbit
14 daysAlso ended on 12 Sep 1985
1 entryFrom the same launch
1985-077Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1985-0305
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1985-0305
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.