CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0028
COSMOS 1788
COSMOS 1788 (NORAD 17050) re-entered Earth’s atmosphere on 21 January 1991, after 4 years, 2 months in orbit.
Official date
NORAD number
17050
International designator
1986-083A
Object type
Spacecraft
Country
USSR
Launched
27 Oct 1986Plesetsk Cosmodrome
Re-entered (UTC)
21 Jan 1991UTC calendar day
Time in orbit
4 years, 2 months1,547 days
How it ended
Re-entered (natural decay)
Latitude range
65.8°N to 65.8°SFinal inclination 65.8°
Mass
570 kg
Operator
PVO
Built by
Southern SDB
Bus
Vektor
Programme
Vektor1
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 65.8°, allowed a re-entry anywhere between 65.8°N and 65.8°S.
Life in orbit
4 years, 2 monthsCOSMOS 1788’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 21 Jan 1991
4 entriesFrom the same launch
1986-083
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0028
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0028
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.