CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0312
SL-12 R/B(AUX MOTOR)
SL-12 R/B(AUX MOTOR) (NORAD 16790) re-entered Earth’s atmosphere on 12 August 1987, after 1 year, 2 months in orbit.
Official date
NORAD number
16790
International designator
1986-044E
Object type
Rocket body
Country
USSR
Launched
10 Jun 1986Baikonur Cosmodrome
Re-entered (UTC)
12 Aug 1987UTC calendar day
Time in orbit
1 year, 2 months428 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
1 year, 2 monthsSL-12 R/B(AUX MOTOR)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 12 Aug 1987
4 entriesFrom the same launch
1986-044Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0312
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0312
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.