YOU SAID:

moving in an upward trajectory

INTO JAPANESE

上向きの軌道で移動する

BACK INTO ENGLISH

move on an upward trajectory

INTO JAPANESE

上向きの軌道上を進む

BACK INTO ENGLISH

go on an upward trajectory

INTO JAPANESE

上向きの軌道に乗る

BACK INTO ENGLISH

get on an upward trajectory

INTO JAPANESE

上向きの軌道に乗る

BACK INTO ENGLISH

get on an upward trajectory