Its appearance is due to the meteorite data inside the mineral data that Gotsumon had. It is made of a hard material only found up in space and therefore has great defensive strength. Its special move is called Galactic Flare, where it creates a mysterious energy wave of the cosmos.
This table showcases the stat distribution of Meteormon in comparison to other Digimon. Each orange bar represents the base stat on Lv. 1, while the blue bars represent the maximum stats on Lv. 99.