CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1963-0037
THOR AGENA D
THOR AGENA D (NORAD 590) came down while still attached to its host on 11 July 1963, after 29 days in orbit.
Official date
NORAD number
590
International designator
1963-019A
Object type
Spacecraft
Country
United States
Launched
12 Jun 1963Vandenberg
Re-entered (UTC)
11 Jul 1963UTC calendar dayAlso recorded as 12 Jul 1963
Time in orbit
29 days29 days
How it ended
Came down attached to its host
Latitude range
81.8°N to 81.8°SFinal inclination 81.8°
Mass
468 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 81.8°, allowed a re-entry anywhere between 81.8°N and 81.8°S.
Life in orbit
29 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/1963-0037
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1963-0037
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.