CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1963-0050
THOR AGENA D
THOR AGENA D (NORAD 621) came down while still attached to its host on 13 August 1963, after 25 days in orbit.
Official date
NORAD number
621
International designator
1963-029A
Object type
Spacecraft
Country
United States
Launched
19 Jul 1963Vandenberg
Re-entered (UTC)
13 Aug 1963UTC calendar day
Time in orbit
25 days25 days
How it ended
Came down attached to its host
Latitude range
82.9°N to 82.9°SFinal inclination 82.9°
Mass
173 kg
Operator
NRO / CIA
Built by
LMSC
Bus
CORONA KH-4
Programme
CORONA M
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 82.9°, allowed a re-entry anywhere between 82.9°N and 82.9°S.
Life in orbit
25 daysTHOR AGENA D’s lowest and highest points above Earth, week by week, from its tracking history.
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1963-0050
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1963-0050
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.