CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1990-0129

SL-4 R/B

SL-4 R/B (NORAD 20514) re-entered Earth’s atmosphere on 2 March 1990, after 2 days in orbit.

Official date
NORAD number
20514
International designator
1990-020B
Object type
Rocket body
Country
USSR
Launched
28 Feb 1990Baikonur Cosmodrome
Re-entered (UTC)
2 Mar 1990UTC calendar day
Time in orbit
2 days2 days
How it ended
Re-entered (natural decay)
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
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 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.

Life in orbit

2 days

Also ended on 2 Mar 1990

1 entry
1990-0128COSMOS 375 DEB *

From the same launch

1990-020
1990-0228PROGRESS-M 3
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0129
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