Makin’ Mars: Adding orbiting moons and having them cast shadows in Video Copilot Orb

Here’s the next instalment of Makin’ Planets. This time it’s Mars. In the tutorial, After creating Mars, I then create Phobos and link it’s orbit to Mars. Then using expressions and lights, I have it cast a shadow onto the surface of the red planet.



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Expressions:
L=thisComp.layer("Phobos NULL");
L.toWorld(L.anchorPoint);


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Links:
Video Copilot's Orb plugin: https://www.videocopilot.net/orb/

Pixel Planet Emporium: http://planetpixelemporium.com/
Celestia Motherlode : http://www.celestiamotherlode.net/

Makin' Mercury using CC Sphere:





Tutorial without background music:





Project file: https://www.dropbox.com/s/wxupzsrmj9cian4/Mars.zip?dl=1