---- Planet Classes ---- Source: Worlds of the federation Class Description Example A "failed star" Jupiter B non-radiant Neptune C Very Hot Venus D Asteroids Ceres E Large Molten core Janus VI F young Delta-Vega G desert H silicate, geologically active I small, young J moons Luna K adaptable Mars L geologically Inactive M oxidizing Terra N ocean planet Curtosy of Mike G. Balsom. ( CEO of the USS HOOD. )