A clip from a new video shows a much smaller and fainter green orb of light at my old apartment on 3311 Princeton Way #5 in Santa Clara:
You can see the orb near the floor, just to the side of the shelves and in front of the door. I leave the camera pointed at the area in which I first saw it to show that this is not a lens flare.
After its first appearance, the orb reappears after less than a minute, and then ducks towards the bed.
There are already two videos featuring a green orb of light, specifically: