Exploration of Energization and Radiation in Geospace

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Exploration of energization and Radiation in Geospace (ERG)[1]
Mission type Astronomy
Operator JAXA
Start of mission
Launch date 2016 (planned)
Rocket Epsilon
Launch site Uchinoura
Orbital parameters
Reference system Geocentric
Perigee ~300 kilometres (190 mi)
Apogee ~30,000 kilometres (19,000 mi)
Inclination 31 degrees
Period ~538 minutes
  • Extremely high-energy electron sensor (XEP-e)
  • High-energy particle sensor - electron (HEP-e)
  • Medium-energy particle sensor - electron (MEP-e)
  • Low-energy particle sensor - electro (LEP-e)
  • Medium-energy particle - ion (MEP-i)
  • Low-energy particle - ion (LEP-i)
  • Magnetic Field Experiment (MGF)
  • Plasma Wave Experiment (PWE)
  • Software Wave-Particle Interaction Analyzer (S-WPIA)

Exploration of energization and Radiation in Geospace (ERG) is a planned research satellite that will be used to study the Van Allen belts. JAXA is developing the mission, which is scheduled to be launched in 2016.[1]

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