CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1965-0004
OPS 4923
OPS 4923 (NORAD 826) re-entered Earth’s atmosphere on 3 January 1965, after 5 months in orbit.
Official date
NORAD number
826
International designator
1964-036B
Object type
Spacecraft
Country
United States
Launched
6 Jul 1964Vandenberg
Re-entered (UTC)
3 Jan 1965UTC calendar day
Time in orbit
5 months181 days
How it ended
Re-entered (natural decay)
Latitude range
87.1°N to 87.1°SFinal inclination 92.9°
Mass
81 kg
Operator
NRO / SAFSP
Built by
LMSC / ATI
Bus
P-11
Programme
EHH A
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 92.9°, allowed a re-entry anywhere between 87.1°N and 87.1°S.
Life in orbit
5 monthsOPS 4923’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1964-036
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1965-0004
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1965-0004
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.