CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2021-0119
EP 3
EP 3 (NORAD 11745) re-entered Earth’s atmosphere on 2 April 2021 over the South Pacific Ocean, after 41 years in orbit.
Official date
NORAD number
11745
International designator
1980-019G
Object type
Spacecraft
Country
United States
Launched
3 Mar 1980Vandenberg
Re-entered (UTC)
2 Apr 2021Recorded time 16:08 UTC
Time in orbit
41 years15,005 days
How it ended
Re-entered (natural decay)
Latitude range
63.2°N to 63.2°SFinal inclination 63.2°
Mass
200 kg
Operator
NRO / NRL
Built by
Martin Marietta
Bus
NOSS SSU
Programme
SSU
Where it came down
Recorded positionRecorded position 44.0°S, 174.0°E at 16:08 UTC. Its final orbit, inclined at 63.2°, allowed a re-entry anywhere between 63.2°N and 63.2°S.
Life in orbit
41 yearsEP 3’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1980-019Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2021-0119
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2021-0119
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.