CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2011-0130
SL-4 R/B
SL-4 R/B (NORAD 37397) re-entered Earth’s atmosphere on 29 April 2011, after 2 days in orbit.
Official date
NORAD number
37397
International designator
2011-017B
Object type
Rocket body
Country
Russia
Launched
27 Apr 2011Baikonur Cosmodrome
Re-entered (UTC)
29 Apr 2011UTC calendar day
Time in orbit
2 days2 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
2 daysAlso ended on 29 Apr 2011
1 entryFrom the same launch
2011-017
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2011-0130
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2011-0130
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.