CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0095
OPS 1584
OPS 1584 (NORAD 2634) came down while still attached to its host on 5 April 1969, after 2 years, 3 months in orbit.
Official date
NORAD number
2634
International designator
1966-118A
Object type
Spacecraft
Country
United States
Launched
29 Dec 1966Vandenberg
Re-entered (UTC)
5 Apr 1969UTC calendar day
Time in orbit
2 years, 3 months828 days
How it ended
Came down attached to its host
Latitude range
75.0°N to 75.0°SFinal inclination 75.0°
Mass
600 kg
Operator
NRO / SAFSP
Built by
LMSC / Cutler-Hammer/AIL
Bus
MULTIGROUP
Programme
MULTIGROUP
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 75.0°, allowed a re-entry anywhere between 75.0°N and 75.0°S.
Life in orbit
2 years, 3 monthsOPS 1584’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/1969-0095
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0095
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.