mission 3
mission 3-
Japanese lunar exploration mission , SELENE , has been planned to be launched into space by using H II-a rocket in the Summer of 2004 . This mission is composed of 3 subsatellites , a main lunar orbiter , a relay satellite and a free flying VLBI radio source .
日本月球探测计划（SELENE）定于2004年夏季利用HIIa火箭发射一组共3颗绕月人造卫星。他们是主卫星、跟踪中继卫星和空间VLBI电波源。