CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0093
SL-13 R/B
SL-13 R/B (NORAD 5161) re-entered Earth’s atmosphere on 20 April 1971, after 1 day in orbit.
Official date
NORAD number
5161
International designator
1971-032B
Object type
Rocket body
Country
USSR
Launched
19 Apr 1971Baikonur Cosmodrome
Re-entered (UTC)
20 Apr 1971UTC calendar day
Time in orbit
1 day1 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
4,185 kg
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
1 dayAlso ended on 20 Apr 1971
1 entryFrom the same launch
1971-032Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0093
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0093
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.