Algodoo

Added Many Moons, Plants and Dwarf ones too!
Warning: Size not accurate and may not be used for size comparions due to this.
Interactable signs are put for moons that are lesser known, if you don't know a more popular
moon, (for example Miranda) Search "Moons of {planet}" for this for example Moons of Uranus.
Updates:
fixed jupiter from moving
added cores to gas giants and changed distance between planets to be more accurate
added ceres and asteroid belts
added ida and vesta
added oort cloud, iss and voyager 1