CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0264
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 9540) re-entered Earth’s atmosphere on 26 June 1977, after 8 months in orbit.
Official date
NORAD number
9540
International designator
1976-107D
Object type
Rocket body
Country
USSR
Launched
26 Oct 1976Baikonur Cosmodrome
Re-entered (UTC)
26 Jun 1977UTC calendar day
Time in orbit
8 months243 days
How it ended
Re-entered (natural decay)
Latitude range
46.5°N to 46.5°SFinal inclination 46.5°
Mass
120 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 46.5°, allowed a re-entry anywhere between 46.5°N and 46.5°S.
Life in orbit
8 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1976-107
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0264
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0264
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.