Neptune.
Statistics
Diameter: 49,493 km (30,760 miles)
Rotation Period about Axis: 17.24 hrs
Mass: 102.4x10^24 kilograms (17.2 x Earth's)
Revolution Period about the Sun: 165 years
Density: 1,638 kg/m^3 Tilt of Axis: 29o 36"
Minimum Distance from Sun: 4.46 billion km (2.77 billion miles)
Surface Gravity: 11 m/s^2 (1.12 x Earth's)
Maximum Distance from Sun: 4.54 billion km (2.82 billion miles)
Temperature at Cloud Tops: -210o C ( -346o F)
Orbital Semimajor Axis: 30.07 AU (Earth=1 AU)
Average Cloud Top Temperature (K): 63K
Minimum Distance from Earth: 4.3 billion km (2.68 billion miles)
Satellites/Rings: 13 known moons, faint rings