The Astelion is a fictional robot in the Super Robot Wars series. It appears as a playable unit in Super Robot Taisen: Original Generation 2 and Super Robot Wars Original Generations. Its upgrade, the Astelion AX, appears in Original Generations and Super Robot Wars Original Generation Gaiden. The Astelion's namesake is derived from a heavenly body, specifically, the star, Asterion, better known today as Chara or Beta Canum Venaticorum