Query for planets by name or compare them with other planets. Because they move with time, you can also ask for properties of a planet taking the specified date into account.
Compute the location and properties of a planet:
Compute the location of a planet on a specified date:
Find the current phase of an inferior planet:
Compare several planets:
Display a map of a planet:
Explore properties of planets, which range from inherent physical properties to position- and velocity-related properties.
Get a property of a planet:
Compare properties of multiple planets:
Do computations using properties of planets:
Compute the distance to the horizon:
Explore mountains, craters and other surface features on Mars, Venus and Mercury.
Compute the location and get properties of surface features on other planets:
Calculate the distance between features: