The Sentinel-2B Orbital Track & Overpass Time (Ascending/Night) layer is the path of the Sentinel-2B satellite on its ascending/night-time orbit. Overpass times are shown in Coordinated Universal Time (UTC).
The Sentinel-2B Orbital Track & Overpass Time (Descending/Day) layer is the path of the Sentinel-2B satellite on its descending/day-time orbit. Overpass times are shown in Coordinated Universal Time (UTC).
Orbital Track information from https://www.space-track.org/.