CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1968-0212
INJUN 3
INJUN 3 (NORAD 504) re-entered Earth’s atmosphere on 25 August 1968, after 5 years, 8 months in orbit.
Official date
NORAD number
504
International designator
1962-067B
Object type
Spacecraft
Country
United States
Launched
13 Dec 1962Vandenberg
Re-entered (UTC)
25 Aug 1968UTC calendar day
Time in orbit
5 years, 8 months2,082 days
How it ended
Re-entered (natural decay)
Latitude range
70.2°N to 70.2°SFinal inclination 70.2°
Mass
52 kg
Operator
NRL
Built by
SUI / NRL
Bus
NRL 24"
Programme
Injun
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 70.2°, allowed a re-entry anywhere between 70.2°N and 70.2°S.
Life in orbit
5 years, 8 monthsINJUN 3’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1962-067
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1968-0212
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1968-0212
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.