軌き道どう投とう入にゅうMeaningsNoun1. orbit insertion (e.g. a satellite); orbital injectionKanji used軌tracks道roadway投throw入enterComposed of軌き道どうorbit; trajectory; (railroad) track; (right) track; proper courseNoun投とう入にゅうthrowing in; inserting; depositing (e.g. a ballot); investment; commitment (of funds, personnel, etc.); injection; infusion; launching (a product into the market); introduction; submitting (a job to a computer); …Noun