CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1974-0069
OPS 6630 (1)
OPS 6630 (1) (NORAD 6928) was deorbited in a controlled re-entry on 13 March 1974, after 4 months in orbit.
Controlled re-entryOfficial date
NORAD number
6928
International designator
1973-088A
Object type
Spacecraft
Country
United States
Launched
10 Nov 1973Vandenberg
Re-entered (UTC)
13 Mar 1974UTC calendar day
Time in orbit
4 months123 days
How it ended
Deorbited (controlled re-entry)
Latitude range
83.2°N to 83.2°SFinal inclination 96.8°
Mass
7,624 kg
Operator
NRO / SAFSP
Built by
LMSC
Bus
KH-9
Programme
Hex II
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 96.8°, allowed a re-entry anywhere between 83.2°N and 83.2°S.
Life in orbit
4 monthsOPS 6630 (1)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1973-088
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1974-0069
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1974-0069
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.