The Planets in Our Solar System

Planet	Mercury
Distance from the Sun (Astronomical Units miles km)	0.39 AU, 36 million miles 57.9 million km
Period of Revolution Around the Sun(1 planetary year)	87.96 Earth days
Period of Rotation (1 planetary day)	58.7 Earth days
Mass (kg)	3.3 x 1023
Diameter (miles km)	3,031 miles 4,878 km
Apparent size from Earth	5-13 arc seconds
Temperature (K Range or Average)	100-700 K mean=452 K
Number of Moons	0

Planet	Venus
Distance from the Sun (Astronomical Units miles km)	0.723 AU, 67.2 million miles 108.2 million km
Period of Revolution Around the Sun(1 planetary year)	224.68 Earth days
Period of Rotation (1 planetary day)	243 Earth days
Mass (kg)	4.87 x 1024
Diameter (miles km)	7,521 miles 12,104 km
Apparent size from Earth	10-64 arc seconds
Temperature (K Range or Average)	726 K
Number of Moons	0

Planet	Earth
Distance from the Sun (Astronomical Units miles km)	1 AU 93 million miles 149.6 million km
Period of Revolution Around the Sun(1 planetary year)	365.26 days
Period of Rotation (1 planetary day)	24 hours
Mass (kg)	5.98 x 1024
Diameter (miles km)	7,926 miles 12,756 km
Apparent size from Earth	Not Applicable
Temperature (K Range or Average)	260-310 K
Number of Moons	1

Planet	Mars
Distance from the Sun (Astronomical Units miles km)	1.524 AU 141.6 million miles 227.9 million km
Period of Revolution Around the Sun(1 planetary year)	686.98 Earth days
Period of Rotation (1 planetary day)	24.6 Earth hours =1.026 Earth days
Mass (kg)	6.42 x 1023
Diameter (miles km)	4,222 miles 6,787 km
Apparent size from Earth	4-25 arc seconds
Temperature (K Range or Average)	150-310 K
Number of Moons	2

Planet	Jupiter
Distance from the Sun (Astronomical Units miles km)	5.203 AU 483.6 million miles 778.3 million km
Period of Revolution Around the Sun(1 planetary year)	11.862 Earth years
Period of Rotation (1 planetary day)	9.84 Earth hours
Mass (kg)	1.90 x 102
Diameter (miles km)	88,729 miles 142,796 km
Apparent size from Earth	31-48 arc seconds
Temperature (K Range or Average)	120 K (cloud tops)
Number of Moons	18 named (plus many smaller ones)

Planet	Saturn
Distance from the Sun (Astronomical Units miles km)	9.539 AU 886.7 million miles 1,427.0 million km
Period of Revolution Around the Sun(1 planetary year)	29.456 Earth years
Period of Rotation (1 planetary day)	10.2 Earth hours
Mass (kg)	5.69 x 1026
Diameter (miles km)	74,600 miles 120,660 km
Apparent size from Earth	15-21 arc seconds excluding rings
Temperature (K Range or Average)	88 K
Number of Moons	18+

Planet	Uranus
Distance from the Sun (Astronomical Units miles km)	19.18 AU 1,784.0 million miles 2,871.0 million km
Period of Revolution Around the Sun(1 planetary year)	84.07 Earth years
Period of Rotation (1 planetary day)	17.9 Earth hours
Mass (kg)	8.68 x 1025
Diameter (miles km)	32,600 miles 51,118 km
Apparent size from Earth	3-4 arc seconds
Temperature (K Range or Average)	59 K
Number of Moons	15

Planet	Neptune
Distance from the Sun (Astronomical Units miles km)	30.06 AU 2,794.4 million miles 4,497.1 million km
Period of Revolution Around the Sun(1 planetary year)	164.81 Earth years
Period of Rotation (1 planetary day)	19.1 Earth hours
Mass (kg)	1.02 x 1026
Diameter (miles km)	30,200 miles 48,600 km
Apparent size from Earth	2.5 arc seconds
Temperature (K Range or Average)	48 K
Number of Moons	2

Planet	Pluto (a dwarf planet)
Distance from the Sun (Astronomical Units miles km)	39.53 AU 3,674.5 million miles 5,913 million km
Period of Revolution Around the Sun(1 planetary year)	247.7 years
Period of Rotation (1 planetary day)	6.39 Earth days
Mass (kg)	1.29 x 1022
Diameter (miles km)	1,413 miles 2,274 km
Apparent size from Earth	0.04 arc seconds
Temperature (K Range or Average)	37 K
Number of Moons	1 large (plus 2 tiny)