CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1984-0217
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 13979) re-entered Earth’s atmosphere on 15 May 1984, after 1 year, 1 month in orbit.
Official date
NORAD number
13979
International designator
1983-028D
Object type
Rocket body
Country
USSR
Launched
8 Apr 1983Baikonur Cosmodrome
Re-entered (UTC)
15 May 1984UTC calendar day
Time in orbit
1 year, 1 month403 days
How it ended
Re-entered (natural decay)
Latitude range
46.4°N to 46.4°SFinal inclination 46.4°
Mass
120 kg
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 46.4°, allowed a re-entry anywhere between 46.4°N and 46.4°S.
Life in orbit
1 year, 1 monthSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 15 May 1984
1 entryFrom the same launch
1983-028Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1984-0217
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1984-0217
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.