Solar Geometry 2.0

About

Solar geometry 2.0 is a C library which compute the relative position of earth and sun. This library implement a fast and acurate algorithm designed by Philippe Blanc (ARMINES) for ENDORSE European Project

License

You can use the library under terms of LGPL license.

Features

  • Fast: algorithm approximately 20 times faster than SPA
  • Acurate: accuracy of order of 9 10-5 rad (approx. 0.005°, or 19”)
  • A period of validity: 1980-2030

Publications

TODO

Quick Documentation

TODO

Downloads

Source are avalable here.