CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0210
SL-4 R/B
SL-4 R/B (NORAD 11361) re-entered Earth’s atmosphere on 21 May 1979, after 4 days in orbit.
Official date
NORAD number
11361
International designator
1979-041B
Object type
Rocket body
Country
USSR
Launched
17 May 1979Plesetsk Cosmodrome
Re-entered (UTC)
21 May 1979UTC calendar day
Time in orbit
4 days4 days
How it ended
Re-entered (natural decay)
Latitude range
81.4°N to 81.4°SFinal inclination 81.4°
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 81.4°, allowed a re-entry anywhere between 81.4°N and 81.4°S.
Life in orbit
4 daysFrom the same launch
1979-041
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0210
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0210
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.