CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1987-0597

SL-4 R/B

SL-4 R/B (NORAD 18626) re-entered Earth’s atmosphere on 13 December 1987, after 6 days in orbit.

Official date
NORAD number
18626
International designator
1987-099B
Object type
Rocket body
Country
USSR
Launched
7 Dec 1987Baikonur Cosmodrome
Re-entered (UTC)
13 Dec 1987UTC calendar day
Time in orbit
6 days6 days
How it ended
Re-entered (natural decay)
Latitude range
70.4°N to 70.4°SFinal inclination 70.4°
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 70.4°, allowed a re-entry anywhere between 70.4°N and 70.4°S.

Life in orbit

6 days

Also ended on 13 Dec 1987

1 entry
1987-0598SL-12 R/B(1)

From the same launch

1987-099
1987-0608COSMOS 1899
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0597
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