Contour lines have constant values on them such as elevation. But it’s also used in meteorology (isopleth), magnetism (isogon) & even drive-time (isochrones)
Have you ever wanted to create interactive web maps for your organization? Or how about the whole world? You can with Esri’s cloud-based ArcGIS Online.
While geosynchronous satellites can have any inclination, the key difference is that satellites in geostationary orbit lie on the same plane as the equator.