CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0379
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 18388) re-entered Earth’s atmosphere on 20 June 1988, after 8 months in orbit.
Official date
NORAD number
18388
International designator
1987-084E
Object type
Rocket body
Country
USSR
Launched
1 Oct 1987Baikonur Cosmodrome
Re-entered (UTC)
20 Jun 1988UTC calendar dayAlso recorded as 16 Jul 1991
Time in orbit
8 months263 days
How it ended
Re-entered (natural decay)
Latitude range
46.7°N to 46.7°SFinal inclination 46.7°
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 46.7°, allowed a re-entry anywhere between 46.7°N and 46.7°S.
Life in orbit
8 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 20 Jun 1988
2 entriesFrom the same launch
1987-084Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0379
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0379
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.