CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1968-0289
OPS 1315
OPS 1315 (NORAD 3531) came down while still attached to its host on 23 November 1968, after 20 days in orbit.
Official date
NORAD number
3531
International designator
1968-098A
Object type
Spacecraft
Country
United States
Launched
3 Nov 1968Vandenberg
Re-entered (UTC)
23 Nov 1968UTC calendar day
Time in orbit
20 days20 days
How it ended
Came down attached to its host
Latitude range
82.2°N to 82.2°SFinal inclination 82.2°
Mass
345 kg
Operator
NRO / CIA
Built by
LMSC
Bus
CORONA KH-4B
Programme
CORONA CR
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 82.2°, allowed a re-entry anywhere between 82.2°N and 82.2°S.
Life in orbit
20 days
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1968-0289
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1968-0289
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.