CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0256
OPS 1439
OPS 1439 (NORAD 1997) came down while still attached to its host on 26 September 1969, after 3 years, 7 months in orbit.
Official date
NORAD number
1997
International designator
1966-009A
Object type
Spacecraft
Country
United States
Launched
9 Feb 1966Vandenberg
Re-entered (UTC)
26 Sep 1969UTC calendar day
Time in orbit
3 years, 7 months1,325 days
How it ended
Came down attached to its host
Latitude range
82.1°N to 82.1°SFinal inclination 82.1°
Mass
600 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 82.1°, allowed a re-entry anywhere between 82.1°N and 82.1°S.
Life in orbit
3 years, 7 monthsOPS 1439’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/1969-0256
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0256
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.