CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0037
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 7399) re-entered Earth’s atmosphere on 26 January 1979, after 4 years, 5 months in orbit.
Official date
NORAD number
7399
International designator
1974-060D
Object type
Rocket body
Country
USSR
Launched
29 Jul 1974Baikonur Cosmodrome
Re-entered (UTC)
26 Jan 1979UTC calendar day
Time in orbit
4 years, 5 months1,642 days
How it ended
Re-entered (natural decay)
Latitude range
46.7°N to 46.7°SFinal inclination 46.7°
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 46.7°, allowed a re-entry anywhere between 46.7°N and 46.7°S.
Life in orbit
4 years, 5 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 26 Jan 1979
2 entriesFrom the same launch
1974-060
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0037
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0037
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.