CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0524
SL-11 R/B
SL-11 R/B (NORAD 10532) re-entered Earth’s atmosphere on 25 December 1977, after 4 days in orbit.
Official date
NORAD number
10532
International designator
1977-121B
Object type
Rocket body
Country
USSR
Launched
21 Dec 1977Baikonur Cosmodrome
Re-entered (UTC)
25 Dec 1977UTC calendar day
Time in orbit
4 days4 days
How it ended
Re-entered (natural decay)
Latitude range
65.1°N to 65.1°SFinal inclination 65.1°
Mass
4,000 kg
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 65.1°, allowed a re-entry anywhere between 65.1°N and 65.1°S.
Life in orbit
4 daysAlso ended on 25 Dec 1977
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0524
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0524
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.