CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1990-0324

SL-8 R/B

SL-8 R/B (NORAD 20477) re-entered Earth’s atmosphere on 12 July 1990, after 5 months in orbit.

Official date
NORAD number
20477
International designator
1990-012B
Object type
Rocket body
Country
USSR
Launched
6 Feb 1990Plesetsk Cosmodrome
Re-entered (UTC)
12 Jul 1990UTC calendar day
Time in orbit
5 months156 days
How it ended
Re-entered (natural decay)
Latitude range
65.8°N to 65.8°SFinal inclination 65.8°
Mass
1,434 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 65.8°, allowed a re-entry anywhere between 65.8°N and 65.8°S.

Life in orbit

5 months

SL-8 R/B’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 12 Jul 1990

2 entries
1990-0325DELTA 1 R/B1990-0326SL-4 R/B

From the same launch

1990-012
1990-0117Kosmos-2059 SS 71990-0121Kosmos-2059 SS 101990-0135Kosmos-2059 SS 11990-0136Kosmos-2059 SS 51990-0137Kosmos-2059 SS 91990-0139Kosmos-2059 SS 31990-0140Kosmos-2059 SS 41990-0141Kosmos-2059 SS 81990-0143Kosmos-2059 SS 61990-0173Kosmos-2059 SS 21990-0487COSMOS 2059
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0324
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