CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0429
SL-8 R/B
SL-8 R/B (NORAD 6912) re-entered Earth’s atmosphere on 8 October 1977, after 3 years, 11 months in orbit.
Official date
NORAD number
6912
International designator
1973-082B
Object type
Rocket body
Country
USSR
Launched
30 Oct 1973Plesetsk Cosmodrome
Re-entered (UTC)
8 Oct 1977UTC calendar day
Time in orbit
3 years, 11 months1,439 days
How it ended
Re-entered (natural decay)
Latitude range
73.9°N to 73.9°SFinal inclination 73.9°
Mass
1,434 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 73.9°, allowed a re-entry anywhere between 73.9°N and 73.9°S.
Life in orbit
3 years, 11 monthsSL-8 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 8 Oct 1977
1 entryFrom the same launch
1973-082
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0429
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0429
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.