CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0219
MUSKETBALL
MUSKETBALL (NORAD 5383) re-entered Earth’s atmosphere on 19 September 1971, after 1 month in orbit.
Official date
NORAD number
5383
International designator
1971-067D
Object type
Spacecraft
Country
United States
Launched
7 Aug 1971Vandenberg
Re-entered (UTC)
19 Sep 1971UTC calendar day
Time in orbit
1 month43 days
How it ended
Re-entered (natural decay)
Latitude range
87.6°N to 87.6°SFinal inclination 87.6°
Mass
72 kg
Operator
USAF STP / AFCRL
Built by
AFCRL
Bus
RTDS
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 87.6°, allowed a re-entry anywhere between 87.6°N and 87.6°S.
Life in orbit
1 monthMUSKETBALL’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 19 Sep 1971
1 entryFrom the same launch
1971-067
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0219
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0219
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.