地球 ちきゅう周回 しゅうかい軌道 きどうであれば
chikyūshūkaikidōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 地球周回軌道

1. If it were a geostationary orbit.; If it is a geostationary orbit.

Ba Conditional
Astronomy