Mass (kg):   3.3E+23

Mean Distance From Sun (km):   57,909,227

Orbital Period (days):   87.969

Radius at Equator (km):   2439.7

Min/Max Surface Temperature (C):   -173/427

Number of Moons:   0

MERCURY

MERCURY

VENUS

Mass (kg):   4.8E+24

Mean Distance From Sun (km):   108,200,000

Orbital Period (days):   224.7

Radius at Equator (km):   6051.8

Min/Max Surface Temperature (C):   462

Number of Moons:   0

VENUS

Mass (kg):   5.976E+24

Mean Distance From Sun (km):   149,600,000

Orbital Period (days):   365.256

Radius at Equator (km):   6378.14

Min/Max Surface Temperature (C):  -88/58

Number of Moons:   1

EARTH

EARTH

Mass (kg):   6.421E+23

Mean Distance From Sun (km):   227,940,000

Orbital Period (days):   686.98

Radius at Equator (km):   3389.5

Min/Max Surface Temperature (C):   -153/20

Number of Moons:   2

MARS

MARS

Mass (kg):   1.9E+27

Mean Distance From Sun (km):   778,330,000

Orbital Period (days):   4332.82

Radius at Equator (km):   69,911

Mean Cloud Temperature (C):   -148

Number of Moons:   50

JUPITER

JUPITER

Mass (kg):   5.688E+26

Mean Distance From Sun (km):   1,429,400,000

Orbital Period (years):   29.447

Radius at Equator (km):   58,232

Mean Cloud Temperature (C):   -178

Number of Moons:   53

SATURN

SATURN

Mass (kg):   8.686E+25

Mean Distance From Sun (km):   2,870,990,000

Orbital Period (years):   84.01

Radius at Equator (km):   25,362

Mean Cloud Temperature (C):   -216

Number of Moons:   27

URANUS

URANUS

NEPTUNE

Mass (kg):   1.024E+26

Mean Distance From Sun (km):   4,498,396,441

Orbital Period (years):   164.79

Radius at Equator (km):   24,622

Mean Cloud Temperature (C):   -214

Number of Moons:   13

NEPTUNE

DWARF PLANETS

A Dwarf Planet is defined as a celestial body that orbits the sun, has enough mass to assume a nearly round shape, has not cleared the neighborhood around its orbit, and is not a moon.  The five identified dwarf planets are Pluto, Ceres, Makemake, Haumea, and Eris.

Photos credit: NASA/JPL/CalTech, ESA

©2017  Squak Mountain Telescope Gang

For information on this website contact: Ted Cook