CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1975-0020
SL-7 R/B
SL-7 R/B (NORAD 6972) re-entered Earth’s atmosphere on 24 January 1975, after 1 year, 1 month in orbit.
Official date
NORAD number
6972
International designator
1973-099B
Object type
Rocket body
Country
USSR
Launched
13 Dec 1973Plesetsk Cosmodrome
Re-entered (UTC)
24 Jan 1975UTC calendar day
Time in orbit
1 year, 1 month407 days
How it ended
Re-entered (natural decay)
Latitude range
71.0°N to 71.0°SFinal inclination 71.0°
Mass
840 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 71.0°, allowed a re-entry anywhere between 71.0°N and 71.0°S.
Life in orbit
1 year, 1 monthSL-7 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 24 Jan 1975
1 entryFrom the same launch
1973-099
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1975-0020
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1975-0020
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.