CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1971-0305

SL-11 R/B(2)

SL-11 R/B(2) (NORAD 5664) re-entered Earth’s atmosphere on 11 December 1971, after 8 days in orbit.

Official date
NORAD number
5664
International designator
1971-106M
Object type
Rocket body
Country
USSR
Launched
3 Dec 1971Baikonur Cosmodrome
Re-entered (UTC)
11 Dec 1971UTC calendar day
Time in orbit
8 days8 days
How it ended
Re-entered (natural decay)
Latitude range
62.3°N to 62.3°SFinal inclination 62.3°

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 62.3°, allowed a re-entry anywhere between 62.3°N and 62.3°S.

Life in orbit

8 days

Also ended on 11 Dec 1971

4 entries
1971-0303COSMOS 4631971-0302SL-11 R/B1971-0304SL-4 R/B1971-0306COSMOS 462 DEB

From the same launch

1971-106
1972-0003SL-11 R/B(1)1975-0089COSMOS 462
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0305
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