The ICESAT-2 Orbital Track & Overpass Time (Ascending/Day) layer is the path of the Ice, Cloud and land Elevation Satellite - 2 on its ascending orbit. Overpass times are shown in Coordinated Universal Time (UTC).
The ICESAT-2 Orbital Track & Overpass Time (Descending/Night) layer is the path of the Ice, Cloud and land Elevation Satellite - 2 on its descending orbit. Overpass times are shown in Coordinated Universal Time (UTC).
Orbital Track information from https://www.space-track.org/.