CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Orbital Register seal
Entry no.
1981-0327

SL-12 R/B(1)

SL-12 R/B(1) (NORAD 12566) re-entered Earth’s atmosphere on 28 June 1981, after 2 days in orbit.

Official date
NORAD number
12566
International designator
1981-061C
Object type
Rocket body
Country
USSR
Launched
26 Jun 1981Baikonur Cosmodrome
Re-entered (UTC)
28 Jun 1981UTC 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
4,185 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 28 Jun 1981

3 entries
1981-0325SL-4 R/B1981-0324DELTA 1 DEB1981-0326SL-4 DEB

From the same launch

1981-061
1982-0132SL-12 R/B(AUX MOTOR)1983-0350SL-12 R/B(AUX MOTOR)
Orbital Register seal
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1981-0327
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.