CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0288
THOR AGENA B
THOR AGENA B (NORAD 613) came down while still attached to its host on 26 October 1969, after 6 years, 3 months in orbit.
Official date
NORAD number
613
International designator
1963-027A
Object type
Spacecraft
Country
United States
Launched
29 Jun 1963Vandenberg
Re-entered (UTC)
26 Oct 1969UTC calendar day
Time in orbit
6 years, 3 months2,311 days
How it ended
Came down attached to its host
Latitude range
82.3°N to 82.3°SFinal inclination 82.3°
Mass
439 kg
Operator
NRO / SAFSP
Built by
LMSC / Cutler-Hammer/AIL
Bus
SAMOS F-2
Programme
SAMOS F-2
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 82.3°, allowed a re-entry anywhere between 82.3°N and 82.3°S.
Life in orbit
6 years, 3 monthsTHOR AGENA B’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/1969-0288
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0288
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.