CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1963-0066
EXPLORER 12
EXPLORER 12 (NORAD 170) re-entered Earth’s atmosphere on 30 September 1963, after 2 years, 1 month in orbit.
Official date
NORAD number
170
International designator
1961-020A
Object type
Spacecraft
Country
United States
Launched
15 Aug 1961Cape Canaveral
Re-entered (UTC)
30 Sep 1963UTC calendar dayAlso recorded as 31 Aug 1963
Time in orbit
2 years, 1 month776 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
38 kg
Operator
GSFC
Built by
Raymond EL
Bus
EPE
Programme
Explorer EPE
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, 1 monthAlso ended on 30 Sep 1963
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1963-0066
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1963-0066
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.