Mars	Venus
Radius: 3388 km Mass: 6.42x1023 kg Orbital Period: 686.98 Earth days Rotation Period: 1.026 Earth day Distance from Sun: 227.94 million km Satellites: Phobos and Deimos	Radius: 6051.9 km Mass: 4.87x1024 kg Orbital Period: 224.7 Earth days Rotation Period: 243.0 Earth day Distance from Sun: 108.2 million km