Geo::Horizon - Calculate distance to the visual horizon ++

A perl object for calculating the distance to the visual horizon on an ellipsoid....

MRDVT/Geo-Horizon-0.02 - 09 Jun 2008 19:11:57 GMT - Search in distribution

satpass - Predict satellite passes over an observer. ++
WYANT/Astro-satpass-0.068   (1 review) - 26 Mar 2015 22:11:21 GMT - Search in distribution

Astro::Coords - Class for handling astronomical coordinates ++

Class for manipulating and transforming astronomical coordinates. Can handle the following coordinate types: + Equatorial RA/Dec, galactic (including proper motions and parallax) + Planets + Comets/Asteroids + Fixed locations in azimuth and elevation...

TJENNESS/Astro-Coords-0.18 - 09 Nov 2012 19:52:32 GMT - Search in distribution

Astro::App::Satpass2 - Forecast satellite visibility. ++
WYANT/Astro-App-Satpass2-0.025 - 29 Mar 2015 14:46:34 GMT - Search in distribution