CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1976-0046
SL-6 R/B
SL-6 R/B (NORAD 8511) re-entered Earth’s atmosphere on 22 February 1976, after 2 months in orbit.
Official date
NORAD number
8511
International designator
1975-122B
Object type
Rocket body
Country
USSR
Launched
22 Dec 1975Baikonur Cosmodrome
Re-entered (UTC)
22 Feb 1976UTC calendar day
Time in orbit
2 months62 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
2 monthsSL-6 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 22 Feb 1976
1 entryFrom the same launch
1975-122
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1976-0046
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1976-0046
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.