CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1974-0241
HEOS 2
HEOS 2 (NORAD 5814) re-entered Earth’s atmosphere on 3 September 1974, after 2 years, 7 months in orbit.
Official date
NORAD number
5814
International designator
1972-005A
Object type
Spacecraft
Country
ESRO
Launched
31 Jan 1972Vandenberg
Re-entered (UTC)
3 Sep 1974UTC calendar day
Time in orbit
2 years, 7 months946 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
117 kg
Operator
ESRO
Built by
MBB
Bus
HEOS
Programme
HEOS
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
2 years, 7 monthsFrom the same launch
1972-005
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1974-0241
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1974-0241
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.