CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0072
COSMOS 1820
COSMOS 1820 (NORAD 17523) re-entered Earth’s atmosphere on 6 March 1987, after 20 days in orbit.
Official date
NORAD number
17523
International designator
1987-016A
Object type
Spacecraft
Country
USSR
Launched
14 Feb 1987Baikonur Cosmodrome
Re-entered (UTC)
6 Mar 1987UTC calendar day
Time in orbit
20 days20 days
How it ended
Re-entered (natural decay)
Latitude range
64.8°N to 64.8°SFinal inclination 64.8°
Mass
10,363 kg
Operator
Southern SDB
Built by
Southern SDB
Bus
Orlets-2?
Programme
Orlets
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 64.8°, allowed a re-entry anywhere between 64.8°N and 64.8°S.
Life in orbit
20 daysAlso ended on 6 Mar 1987
4 entriesFrom the same launch
1987-016
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0072
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0072
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.