CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0006
SL-7 R/B
SL-7 R/B (NORAD 6255) re-entered Earth’s atmosphere on 8 January 1973, after 2 months in orbit.
Official date
NORAD number
6255
International designator
1972-084B
Object type
Rocket body
Country
USSR
Launched
25 Oct 1972Plesetsk Cosmodrome
Re-entered (UTC)
8 Jan 1973UTC calendar day
Time in orbit
2 months75 days
How it ended
Re-entered (natural decay)
Latitude range
70.9°N to 70.9°SFinal inclination 70.9°
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 70.9°, allowed a re-entry anywhere between 70.9°N and 70.9°S.
Life in orbit
2 monthsSL-7 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 8 Jan 1973
2 entriesFrom the same launch
1972-084
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0006
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0006
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.