CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1963-0063
THOR AGENA D
THOR AGENA D (NORAD 636) came down while still attached to its host on 12 September 1963, after 18 days in orbit.
Official date
NORAD number
636
International designator
1963-034A
Object type
Spacecraft
Country
United States
Launched
25 Aug 1963Vandenberg
Re-entered (UTC)
12 Sep 1963UTC calendar day
Time in orbit
18 days18 days
How it ended
Came down attached to its host
Latitude range
—
Mass
290 kg
Operator
NRO / CIA
Built by
LMSC
Bus
CORONA KH-4A
Programme
CORONA J
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
18 days
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1963-0063
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1963-0063
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.