CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2011-0387
ERS 5
ERS 5 (NORAD 579) re-entered Earth’s atmosphere on 11 November 2011, after 48 years, 6 months in orbit.
Official date
NORAD number
579
International designator
1963-014B
Object type
Spacecraft
Country
United States
Launched
9 May 1963Vandenberg
Re-entered (UTC)
11 Nov 2011UTC calendar day
Time in orbit
48 years, 6 months17,718 days
How it ended
Re-entered (natural decay)
Latitude range
84.2°N to 84.2°SFinal inclination 84.2°
Mass
1 kg
Operator
USAF SSD
Built by
TRW
Bus
TRS
Programme
TRS I
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 84.2°, allowed a re-entry anywhere between 84.2°N and 84.2°S.
Life in orbit
48 years, 6 monthsERS 5’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Nov 2011
3 entriesFrom the same launch
1963-014
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2011-0387
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2011-0387
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.