CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1981-0061
SL-8 R/B
SL-8 R/B (NORAD 11918) re-entered Earth’s atmosphere on 13 February 1981, after 6 months in orbit.
Official date
NORAD number
11918
International designator
1980-067B
Object type
Rocket body
Country
USSR
Launched
31 Jul 1980Kapustin Yar
Re-entered (UTC)
13 Feb 1981UTC calendar day
Time in orbit
6 months197 days
How it ended
Re-entered (natural decay)
Latitude range
50.6°N to 50.6°SFinal inclination 50.6°
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 50.6°, allowed a re-entry anywhere between 50.6°N and 50.6°S.
Life in orbit
6 monthsSL-8 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 13 Feb 1981
1 entryFrom the same launch
1980-0671980-0419Kosmos-1204 SS 11980-0425Kosmos-1204 SS 21980-0448Kosmos-1204 SS 41980-0449Kosmos-1204 SS 51980-0454Kosmos-1204 SS 61980-0465Kosmos-1204 SS 31980-0470Kosmos-1204 SS 71980-0471Kosmos-1204 SS 81980-0472Kosmos-1204 SS 91980-0487Kosmos-1204 SS 101980-0499Kosmos-1204 SS 191980-0502Kosmos-1204 SS 17
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0061
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1981-0061
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.