The ERG  (Exploration of energization and Radiation in Geospace) project is a mission to study the Van Allen belts. The task is to elucidate how highly charged electrons are born while they generate and vanish repeatedly along with space storms caused by the disturbance of solar wind, influenced by space storms, and how space storms are developed.

Mission type: Earth Science · Orbit: Elliptical Orbit

Rocket: Epsilon · Provider: Japan Aerospace Exploration Agency