CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1986-0031
COSMOS 1423
COSMOS 1423 (NORAD 13685) re-entered Earth’s atmosphere on 18 January 1986, after 3 years, 1 month in orbit.
Official date
NORAD number
13685
International designator
1982-115A
Object type
Spacecraft
Country
USSR
Launched
8 Dec 1982Baikonur Cosmodrome
Re-entered (UTC)
18 Jan 1986UTC calendar day
Time in orbit
3 years, 1 month1,137 days
How it ended
Re-entered (natural decay)
Latitude range
62.8°N to 62.8°SFinal inclination 62.8°
Mass
1,650 kg
Operator
GUKOS
Built by
NPO PM
Bus
Molniya-1
Programme
Molniya-1K
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 62.8°, allowed a re-entry anywhere between 62.8°N and 62.8°S.
Life in orbit
3 years, 1 monthCOSMOS 1423’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Jan 1986
4 entriesFrom the same launch
1982-115Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0031
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1986-0031
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.