CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0382
OPS 0460
OPS 0460 (NORAD 10733) was deorbited in a controlled re-entry on 11 September 1978, after 5 months in orbit.
Controlled re-entryOfficial date
NORAD number
10733
International designator
1978-029A
Object type
Spacecraft
Country
United States
Launched
16 Mar 1978Vandenberg
Re-entered (UTC)
11 Sep 1978UTC calendar day
Time in orbit
5 months179 days
How it ended
Deorbited (controlled re-entry)
Latitude range
83.7°N to 83.7°SFinal inclination 96.3°
Mass
8,211 kg
Operator
NRO / SAFSP
Built by
LMSC
Bus
KH-9
Programme
Hex III
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 96.3°, allowed a re-entry anywhere between 83.7°N and 83.7°S.
Life in orbit
5 monthsOPS 0460’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Sep 1978
1 entryFrom the same launch
1978-029Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0382
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0382
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.