CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1975-0098
SL-4 R/B
SL-4 R/B (NORAD 7711) re-entered Earth’s atmosphere on 9 April 1975, after 13 days in orbit.
Official date
NORAD number
7711
International designator
1975-021B
Object type
Rocket body
Country
USSR
Launched
27 Mar 1975Baikonur Cosmodrome
Re-entered (UTC)
9 Apr 1975UTC calendar day
Time in orbit
13 days13 days
How it ended
Re-entered (natural decay)
Latitude range
71.4°N to 71.4°SFinal inclination 71.4°
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 71.4°, allowed a re-entry anywhere between 71.4°N and 71.4°S.
Life in orbit
13 daysAlso ended on 9 Apr 1975
2 entriesFrom the same launch
1975-021
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1975-0098
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1975-0098
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.