CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1990-0395

SL-4 R/B

SL-4 R/B (NORAD 20780) re-entered Earth’s atmosphere on 1 September 1990, after 1 day in orbit.

Official date
NORAD number
20780
International designator
1990-080B
Object type
Rocket body
Country
USSR
Launched
31 Aug 1990Plesetsk Cosmodrome
Re-entered (UTC)
1 Sep 1990UTC calendar day
Time in orbit
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
82.3°N to 82.3°SFinal inclination 82.3°
Mass
2,350 kg

Where it came down

Latitude band its orbit allowed
Exact 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

1 day

Also ended on 1 Sep 1990

1 entry
1990-0394RESURS F-8

From the same launch

1990-080
1990-0414COSMOS 2099
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0395
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.