CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0194
SL-11 R/B
SL-11 R/B (NORAD 5404) re-entered Earth’s atmosphere on 10 August 1971, after 2 days in orbit.
Official date
NORAD number
5404
International designator
1971-068C
Object type
Rocket body
Country
USSR
Launched
8 Aug 1971Baikonur Cosmodrome
Re-entered (UTC)
10 Aug 1971UTC calendar day
Time in orbit
2 days2 days
How it ended
Re-entered (natural decay)
Latitude range
49.5°N to 49.5°SFinal inclination 49.5°
Mass
5,000 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 49.5°, allowed a re-entry anywhere between 49.5°N and 49.5°S.
Life in orbit
2 daysAlso ended on 10 Aug 1971
1 entryFrom the same launch
1971-068Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0194
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0194
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.