CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1988-0440
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 18420) re-entered Earth’s atmosphere on 19 July 1988, after 9 months in orbit.
Official date
NORAD number
18420
International designator
1987-084F
Object type
Rocket body
Country
USSR
Launched
1 Oct 1987Baikonur Cosmodrome
Re-entered (UTC)
19 Jul 1988UTC calendar dayAlso recorded as 6 Jun 1988
Time in orbit
9 months292 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
9 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1987-084
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1988-0440
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1988-0440
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.