CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0521
SL-4 R/B
SL-4 R/B (NORAD 6944) re-entered Earth’s atmosphere on 4 December 1973, after 13 days in orbit.
Official date
NORAD number
6944
International designator
1973-092B
Object type
Rocket body
Country
USSR
Launched
21 Nov 1973Baikonur Cosmodrome
Re-entered (UTC)
4 Dec 1973UTC calendar day
Time in orbit
13 days13 days
How it ended
Re-entered (natural decay)
Latitude range
69.9°N to 69.9°SFinal inclination 69.9°
Mass
2,350 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 69.9°, allowed a re-entry anywhere between 69.9°N and 69.9°S.
Life in orbit
13 daysAlso ended on 4 Dec 1973
7 entriesFrom the same launch
1973-092Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0521
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0521
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.