Important Numbers

Planet's Order	9th planet from the sun
	6th of the outer Planets
Distance from the Sun
Perihelion	4,425,100,000 Km
Mean	5,900,100,000 Km
Aphelion	7,375,100,000 Km
Distance from the Earth
Smallest	4,290,000,000 Km
Biggest	7,520,000,000 Km
Size
Mass	0.003 (Earth=1)
Radius	0.18 (Earth=1)
Relative density	1.1
Number of satellites
1 Moon
Orbit/Rotation
Rotation period (About axis) 6.4 hours (Day & Night)
Period of revolution about Sun 247.7 Earth years
Inclination of orbit (degrees) 17.2°
Eccentricity of orbit 0.25
Temperature
Maximum	-223°C ( -387°F)
Minimum	-233°C ( -369°F)