CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0429
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 18333) re-entered Earth’s atmosphere on 12 July 1988, after 10 months in orbit.
Official date
NORAD number
18333
International designator
1987-073F
Object type
Rocket body
Country
USSR
Launched
3 Sep 1987Baikonur Cosmodrome
Re-entered (UTC)
12 Jul 1988UTC calendar dayAlso recorded as 5 Jul 1988
Time in orbit
10 months313 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
120 kg
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
10 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Jul 1988
3 entriesFrom the same launch
1987-073Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0429
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0429
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.