Library for calculating satellite positions and predicting overpasses using Two-Line Elements.

This library is a clone of Hopperpop Sgp4-Library. We've cloned it to allow it to be added to the Arduino Library Manager.

All credits for this library go to @Hopperpop. Thank you @Hopperpop.

Original source code written by David Vallado: https://celestrak.com/software/vallado-sw.asp
Coordinate transformation ported by Grady Hillhouse.

It is distributed under an MIT license.