CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1985-0422
SL-6 R/B(2)
SL-6 R/B(2) (NORAD 7653) re-entered Earth’s atmosphere on 12 December 1985, after 10 years, 10 months in orbit.
Official date
NORAD number
7653
International designator
1975-009D
Object type
Rocket body
Country
USSR
Launched
6 Feb 1975Plesetsk Cosmodrome
Re-entered (UTC)
12 Dec 1985UTC calendar dayAlso recorded as 30 Sep 1985
Time in orbit
10 years, 10 months3,962 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
4,500 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 years, 10 monthsSL-6 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1975-009
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1985-0422
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1985-0422
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.