Sentence:  They 'd peddled the soap virtually alone , and without much success , until about a year ago , when - with the addition of `` SX-21 '' to their secret formula and the inauguration of a high-powered advertising campaign - sales had soared practically into <WSD>orbit</WSD> . 
Meaning of the word marked with <WSD> tags:  the (usually elliptical) path described by one celestial body in its revolution about another