楕円 だえん軌道 きどうではありませんでした
daenkidōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 楕円軌道

1. Was not an elliptical orbit.; It was not an elliptical orbit.

Past/Perfective
Negative
Polite
Formal Register
Astronomy