CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0162
ECHO 2 (A-12)
ECHO 2 (A-12) (NORAD 740) re-entered Earth’s atmosphere on 7 June 1969, after 5 years, 4 months in orbit.
Official date
NORAD number
740
International designator
1964-004A
Object type
Spacecraft
Country
United States
Launched
25 Jan 1964Vandenberg
Re-entered (UTC)
7 Jun 1969UTC calendar day
Time in orbit
5 years, 4 months1,960 days
How it ended
Re-entered (natural decay)
Latitude range
81.4°N to 81.4°SFinal inclination 81.4°
Mass
278 kg
Operator
NASA LaRC
Built by
Schjeldahl
Bus
Echo 135'
Programme
Echo
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 81.4°, allowed a re-entry anywhere between 81.4°N and 81.4°S.
Life in orbit
5 years, 4 monthsECHO 2 (A-12)’s lowest and highest points above Earth, week by week, from its tracking history.
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1969-0162
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0162
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.