CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1966-0031
ERS 12
ERS 12 (NORAD 675) re-entered Earth’s atmosphere on 5 February 1966, after 2 years, 3 months in orbit.
Official date
NORAD number
675
International designator
1963-039B
Object type
Spacecraft
Country
United States
Launched
17 Oct 1963Cape Canaveral
Re-entered (UTC)
5 Feb 1966UTC calendar day
Time in orbit
2 years, 3 months842 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
2 kg
Operator
USAF SSD
Built by
TRW
Bus
TRS Mk II
Programme
TRS II
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
2 years, 3 monthsERS 12’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1963-039
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1966-0031
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1966-0031
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.