冥王 めいおう星型 ほしがた天体 てんたいであれば
mei ō hoshiga tatentaideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 冥王星型天体

1. If/when it were a Pluto-like object.; If/when it was a plutoid.

Ba Conditional
Astronomy