CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1963-0077
THOR AGENA D
THOR AGENA D (NORAD 637) came down while still attached to its host on 7 November 1963, after 2 months in orbit.
Official date
NORAD number
637
International designator
1963-035A
Object type
Spacecraft
Country
United States
Launched
29 Aug 1963Vandenberg
Re-entered (UTC)
7 Nov 1963UTC calendar day
Time in orbit
2 months70 days
How it ended
Came down attached to its host
Latitude range
81.9°N to 81.9°SFinal inclination 81.9°
Mass
101 kg
Operator
NRO / USA ACE
Built by
LMSC
Bus
CORONA ARGON
Programme
CORONA ARGON
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 81.9°, allowed a re-entry anywhere between 81.9°N and 81.9°S.
Life in orbit
2 monthsTHOR AGENA D’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1963-035
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1963-0077
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1963-0077
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.