CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1966-0001
ERS 13
ERS 13 (NORAD 838) re-entered Earth’s atmosphere on 1 January 1966, after 1 year, 5 months in orbit.
Official date
NORAD number
838
International designator
1964-040C
Object type
Spacecraft
Country
United States
Launched
17 Jul 1964Cape Canaveral
Re-entered (UTC)
1 Jan 1966UTC calendar dayAlso recorded as 1 Jul 1966
Time in orbit
1 year, 5 months533 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
2 kg
Operator
USAF SSD
Built by
TRW
Bus
TRS Mk II
Programme
TRS II
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
1 year, 5 monthsERS 13’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1964-040
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1966-0001
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1966-0001
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.