CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1968-0147
ECHO 1
ECHO 1 (NORAD 49) re-entered Earth’s atmosphere on 24 May 1968, after 7 years, 9 months in orbit.
Official date
NORAD number
49
International designator
1960-009A
Object type
Spacecraft
Country
United States
Launched
12 Aug 1960Cape Canaveral
Re-entered (UTC)
24 May 1968UTC calendar day
Time in orbit
7 years, 9 months2,842 days
How it ended
Re-entered (natural decay)
Latitude range
47.2°N to 47.2°SFinal inclination 47.2°
Mass
75 kg
Operator
NASA LaRC
Built by
Schjeldahl
Bus
Echo 100'
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 47.2°, allowed a re-entry anywhere between 47.2°N and 47.2°S.
Life in orbit
7 years, 9 monthsECHO 1’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/1968-0147
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1968-0147
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.