A

David

Darling

Jikiken

Jikiken

Jikiken was a Japanese satellite, launched by ISAS (Institute of Space and Astronautical Science), that made measurements of ionized gases and electric fields in Earth's magnetosphere from a highly elliptical orbit. Before launch it was known as Exos-B.

 

launch date Sep 16, 1978
launch vehicle M-3H
launch site Kagoshima
orbit 251 × 21,192 km × 31°
mass 100 kg