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EPE
 EPE Credit: NASA |
Status: Operational 1961. First Launch: 1961-08-16. Last Launch: 1964-12-21. Number: 4 . Gross mass: 42 kg (92 lb).
More at: EPE.
Family: Astronomy, High earth orbit, Solar. Country: USA. Launch Vehicles: Thor, Delta, Thor Delta A, Thor Delta, Thor Delta C, Delta C. Projects: Explorer. Launch Sites: Cape Canaveral, Cape Canaveral LC17B, Cape Canaveral LC17A. Agency: NASA. Bibliography: 2, 279, 3703, 3710, 3724, 6, 11023, 12320.
 | Explorer 12 Credit: Manufacturer Image |
1961 August 16 - . 03:21 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta.
- Explorer 12 - . Payload: EPE A (S-3). Mass: 38 kg (83 lb). Nation: USA. Agency: NASA. Program: Explorer. Class: Astronomy. Type: Solar satellite. Spacecraft: EPE. Decay Date: 1963-08-31 . USAF Sat Cat: 170 . COSPAR: 1961-Upsilon-1. Apogee: 76,620 km (47,600 mi). Perigee: 790 km (490 mi). Inclination: 33.40 deg. Period: 1,587.30 min. Radiation and solar wind data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .
1962 October 2 - . 22:11 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Delta A.
- Explorer 14 - . Payload: EPE B (S-3A). Mass: 40 kg (88 lb). Nation: USA. Agency: NASA. Program: Explorer. Class: Astronomy. Type: Solar satellite. Spacecraft: EPE. Decay Date: 1964-12-31 . USAF Sat Cat: 432 . COSPAR: 1962-B-Gamma-1. Apogee: 96,229 km (59,793 mi). Perigee: 2,558 km (1,589 mi). Inclination: 42.30 deg. Period: 2,184.60 min. Magnetosphere studies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .
1962 October 27 - . 23:15 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Thor. Launch Vehicle: Thor Delta A.
- Explorer 15 - . Payload: EPE C (S-3C SERB). Mass: 45 kg (99 lb). Nation: USA. Agency: NASA. Program: Explorer. Class: Astronomy. Type: Solar satellite. Spacecraft: EPE. Decay Date: 1978-12-19 . USAF Sat Cat: 445 . COSPAR: 1962-B-Lambda-1. Apogee: 17,610 km (10,940 mi). Perigee: 306 km (190 mi). Inclination: 17.90 deg. Period: 314.70 min. Radiation decay data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B). .
1964 December 21 - . 09:00 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17A. LV Family: Thor. Launch Vehicle: Thor Delta C.
- Explorer 26 - . Payload: EPE D - 661A Flight 21-3. Mass: 46 kg (101 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Astronomy. Type: Solar satellite. Spacecraft: EPE. Decay Date: 1978-03-31 . USAF Sat Cat: 963 . COSPAR: 1964-086A. Apogee: 10,043 km (6,240 mi). Perigee: 284 km (176 mi). Inclination: 19.80 deg. Period: 205.70 min. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B)..
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