CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1972-0052

SL-4 R/B

SL-4 R/B (NORAD 5840) re-entered Earth’s atmosphere on 23 February 1972, after 7 days in orbit.

Official date
NORAD number
5840
International designator
1972-008B
Object type
Rocket body
Country
USSR
Launched
16 Feb 1972Baikonur Cosmodrome
Re-entered (UTC)
23 Feb 1972UTC calendar day
Time in orbit
7 days7 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
Mass
2,350 kg

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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.

Life in orbit

7 days

Also ended on 23 Feb 1972

1 entry
1972-0051COSMOS 252 DEB *

From the same launch

1972-008
1972-0058COSMOS 474
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1972-0052
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