(sometimes) being on someone's roster, oftentimes due to one-sided crushes. the relationship is usually casual, with the orbiter wishing to be closer to the orbited, trying to achieve this by treating the orbited like a partner (sending them gifts, talking to them affectionately, being emotionally engaged).
this phenomena is frequently found with female streamers, who tend to (involuntarily) have male orbiters that seek out roles close to them in hopes of attaining a relationship (e.g. chat moderators). many of these orbiters are incels
person1: yeah ive been watching this streamer ever since my girlfriend broke up with me. i've messaged her once or twice, and she's always responded! i wish she knew how much i could love her if she just gave me a chance
person2: stop orbiting her dude, thats so creepy
To orbit the sun refers to leaving one's body. If you see or read something so crazy, so out of this world, so outer-space, that there is no earthly way to describe it. So, an individual orbits the sun. The individual metaphorically transitions into a cosmic state of orbit around the sun because there is a void of all reality. There is a void of natural human understanding and an earthly reaction simply does not do justice for the situation.