Rather self-explanatory. Click on planets or sun to show info- elongation is slightly buggy. Sorry for the boring thumbnail... (And the lack of a moon!) This sort of needs a better projection. Complete with precession, perturbations and more!
Formulas for calculation from http://www.stjarnhimlen.se/comp/ppcomp.html Thanks to @TheHockeyist for bringing this to my attention! **See Planetarium for a stylized version with more features: **http://scratch.mit.edu/projects/45369976/ Other solar system projects: https://scratch.mit.edu/studios/1279054/