Definitions for "Polar orbit"
The path of an Earth satellite that passes near or over the North and South Poles
Usually has an angle of inclination of 90 degrees to the equator. On every pass around the Earth, it passes over both the north and south poles. Therefore, as the Earth rotates to the east underneath the satellite which is travelling north and south, it can cover the entire Earth's surface. A polar orbiting satellite covers the entire globe every 14 days.
An orbit that passes over the polar regions from north to south
Keywords:  particular, type
a particular type of