CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1986-0030
COS B
COS B (NORAD 8062) re-entered Earth’s atmosphere on 18 January 1986, after 10 years, 5 months in orbit.
Official date
NORAD number
8062
International designator
1975-072A
Object type
Spacecraft
Country
European Space Agency
Launched
9 Aug 1975Vandenberg
Re-entered (UTC)
18 Jan 1986UTC calendar day
Time in orbit
10 years, 5 months3,815 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
278 kg
Operator
ESA
Built by
MBB / Ae/Cannes
Bus
COS-B
Programme
ESA Ast
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, 5 monthsCOS B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Jan 1986
4 entriesFrom the same launch
1975-072
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1986-0030
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1986-0030
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.