CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1968-0295
OPS 6518
OPS 6518 (NORAD 3594) came down while still attached to its host on 12 December 1968, after 8 days in orbit.
Official date
NORAD number
3594
International designator
1968-108A
Object type
Spacecraft
Country
United States
Launched
4 Dec 1968Vandenberg
Re-entered (UTC)
12 Dec 1968UTC calendar day
Time in orbit
8 days8 days
How it ended
Came down attached to its host
Latitude range
73.8°N to 73.8°SFinal inclination 106.2°
Mass
2,250 kg
Operator
NRO / SAFSP
Built by
LMSC
Bus
KH-8
Programme
KH8A
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 106.2°, allowed a re-entry anywhere between 73.8°N and 73.8°S.
Life in orbit
8 days
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1968-0295
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1968-0295
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.