CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1986-0137
SL-11 R/B
SL-11 R/B (NORAD 16659) re-entered Earth’s atmosphere on 26 March 1986, after 1 day in orbit.
Official date
NORAD number
16659
International designator
1986-025B
Object type
Rocket body
Country
USSR
Launched
25 Mar 1986Baikonur Cosmodrome
Re-entered (UTC)
26 Mar 1986UTC calendar day
Time in orbit
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
73.3°N to 73.3°SFinal inclination 73.3°
Mass
4,000 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 73.3°, allowed a re-entry anywhere between 73.3°N and 73.3°S.
Life in orbit
1 dayFrom the same launch
1986-025
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0137
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1986-0137
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.