CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1972-0028
CANNONBALL 2
CANNONBALL 2 (NORAD 5382) re-entered Earth’s atmosphere on 31 January 1972, after 5 months in orbit.
Official date
NORAD number
5382
International designator
1971-067C
Object type
Spacecraft
Country
United States
Launched
7 Aug 1971Vandenberg
Re-entered (UTC)
31 Jan 1972UTC calendar day
Time in orbit
5 months177 days
How it ended
Re-entered (natural decay)
Latitude range
88.1°N to 88.1°SFinal inclination 91.9°
Mass
364 kg
Operator
USAF STP / AFCRL
Built by
AFCRL
Bus
LOADS
Programme
OV1 A
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 91.9°, allowed a re-entry anywhere between 88.1°N and 88.1°S.
Life in orbit
5 monthsCANNONBALL 2’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1971-067
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1972-0028
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1972-0028
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.