I thought the context is orbital mechanics, for which the term approach is the common term for a portion of the trajectory where the bodies move towards each ot

I thought the context is orbital mechanics, for which the term approach is the common term for a portion of the trajectory where the bodies move towards each other. Take any Wikipedia article for an orbiting solar body and search approach eg: https://en.m.wikipedia.org/wiki/Halley%27s_Comet https://en.m.wikipedia.org/wiki/Halley%27s_Comet