CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1966-0390
OPS 5345 (SGLS-1)
OPS 5345 (SGLS-1) (NORAD 2490) re-entered Earth’s atmosphere on 21 October 1966, after 9 days in orbit.
Official date
NORAD number
2490
International designator
1966-090B
Object type
Spacecraft
Country
United States
Launched
12 Oct 1966Vandenberg
Re-entered (UTC)
21 Oct 1966UTC calendar day
Time in orbit
9 days9 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
600 kg
Operator
USAF SSD
Built by
LMSC
Bus
Agena D
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
9 daysAlso ended on 21 Oct 1966
4 entriesFrom the same launch
1966-090
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1966-0390
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1966-0390
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.