CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1997-0135
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 8547) re-entered Earth’s atmosphere on 4 May 1997, after 21 years, 4 months in orbit.
Official date
NORAD number
8547
International designator
1975-123E
Object type
Rocket body
Country
USSR
Launched
22 Dec 1975Baikonur Cosmodrome
Re-entered (UTC)
4 May 1997UTC calendar day
Time in orbit
21 years, 4 months7,804 days
How it ended
Re-entered (natural decay)
Latitude range
46.4°N to 46.4°SFinal inclination 46.4°
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 46.4°, allowed a re-entry anywhere between 46.4°N and 46.4°S.
Life in orbit
21 years, 4 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1975-123
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1997-0135
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1997-0135
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.