CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1980-0009
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 11552) re-entered Earth’s atmosphere on 6 January 1980, after 8 months in orbit.
Official date
NORAD number
11552
International designator
1979-035D
Object type
Rocket body
Country
USSR
Launched
25 Apr 1979Baikonur Cosmodrome
Re-entered (UTC)
6 Jan 1980UTC calendar dayAlso recorded as 1 Jan 1980
Time in orbit
8 months256 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
120 kg
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
8 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 6 Jan 1980
2 entriesFrom the same launch
1979-035Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1980-0009
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1980-0009
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.