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  Mercury
 

        Year (Earth days)                       =  87.97
        Day (Earth hours)                       =  59
        Diameter (km)                           =  4880
        Diameter (Miles)                        =  3032
        Average Temperature (C)                 =
        Density (Water = 1)                     =  5.5
        Moons                                   =  0
        Surface Gravity (Earth = 1)             =  .38
        Mass (x10,000,000,000,000 Gigatons)     =  .332
        Axial Tilt                              =
        Volume (Earth = 1)                      =
        Distance from Sun (Million Km)          =  57.9
        Distance from Sun (Million miles)       =  35.99
        Orbital Velocity (Km/sec)               =  47.73
 

  Venus
 

        Year (Earth days)                       =  224.7
        Day (Earth hours)                       =  243
        Diameter (km)                           =  12100
        Diameter (Miles)                        =  523
        Average Temperature (C)                 =  477
        Density (Water = 1)                     =  5.24
        Moons                                   =  0
        Surface Gravity (Earth = 1)             =  .9
        Mass (x10,000,000,000,000 Gigatons)     =  4.89
        Axial Tilt                              =  177.3
        Volume (Earth = 1)                      =  .88
        Distance from Sun (Million Km)          =  108.2
        Distance from Sun (Million miles)       =  67.24
        Orbital Velocity (Km/sec)               =  35
 

  Earth
 

        Year (Earth days)                       =  365.26
        Day (Earth hours)                       =  23h 56m
        Diameter (km)                           =  12754
        Diameter (Miles)                        =  7926
        Average Temperature (C)                 =  13
        Density (Water = 1)                     =  5.52
        Moons                                   =  1
        Surface Gravity (Earth = 1)             =  1
        Mass (x10,000,000,000,000 Gigatons)     =  6.04
        Axial Tilt                              =  23.45
        Volume (Earth = 1)                      =  1
        Distance from Sun (Million Km)          =  149.6
        Distance from Sun (Million miles)       =  93
        Orbital Velocity (Km/sec)               =  29.8

  Mars
 

        Year (Earth days)                       =  687
        Day (Earth hours)                       =  24h 37m
        Diameter (km)                           =  6796
        Diameter (Miles)                        =  4220
        Average Temperature (C)                 =  -53
        Density (Water = 1)                     =  3.94
        Moons                                   =  2
        Surface Gravity (Earth = 1)             =  .38
        Mass (x10,000,000,000,000 Gigatons)     =  .642
        Axial Tilt                              =  25.19
        Volume (Earth = 1)                      =  .15
        Distance from Sun (Million Km)          =  227.9
        Distance from Sun (Million miles)       =  141.73
        Orbital Velocity (Km/sec)               =  24.1

  Jupiter
 

        Year (Earth days)                       =  4331.98
        Day (Earth hours)                       =  9h 50m
        Diameter (km)                           =  142800
        Diameter (Miles)                        =  88750
        Average Temperature (C)                 =
        Density (Water = 1)                     =  1.3
        Moons                                   =  16
        Surface Gravity (Earth = 1)             =  2.87
        Mass (x10,000,000,000,000 Gigatons)     =  1920
        Axial Tilt                              =
        Volume (Earth = 1)                      =
        Distance from Sun (Million Km)          =  778.7
        Distance from Sun (Million miles)       =  483.88
        Orbital Velocity (Km/sec)               =  12.73
 

  Saturn
 

        Year (Earth days)                       = 10760.56
        Day (Earth hours)                       = 10h 14m
        Diameter (km)                           = 120020
        Diameter (Miles)                        = 74580
        Average Temperature (C)                 =
        Density (Water = 1)                     = 0.7
        Moons                                   = 17
        Surface Gravity (Earth = 1)             = 1.32
        Mass (x10,000,000,000,000 Gigatons)     = 575
        Axial Tilt                              =
        Volume (Earth = 1)                      =
        Distance from Sun (Million Km)          = 1427.7
        Distance from Sun (Million miles)       = 887.13
        Orbital Velocity (Km/sec)               = 9.45
 

  Uranus
 

        Year (Earth days)                       =  306854.9
        Day (Earth hours)                       =  10h 49m
        Diameter (km)                           =  50900
        Diameter (Miles)                        =  31600
        Average Temperature (C)                 =
        Density (Water = 1)                     =  1.3
        Moons                                   =  5
        Surface Gravity (Earth = 1)             =  0.93
        Mass (x10,000,000,000,000 Gigatons)     =  88.2
        Axial Tilt                              =
        Volume (Earth = 1)                      =
        Distance from Sun (Million Km)          =  2870.5
        Distance from Sun (Million miles)       =  1783.7
        Orbital Velocity (Km/sec)               =  6.36
 

  Neptune
 

        Year (Earth days)                       =  60191.2
        Day (Earth hours)                       =  15h 48m
        Diameter (km)                           =  48600
        Diameter (Miles)                        =  30200
        Average Temperature (C)                 =
        Density (Water = 1)                     =  1.8
        Moons                                   =  3
        Surface Gravity (Earth = 1)             =  1.23
        Mass (x10,000,000,000,000 Gigatons)     =  103.89
        Axial Tilt                              =
        Volume (Earth = 1)                      =
        Distance from Sun (Million Km)          =  4498.8
        Distance from Sun (Million miles)       =  2795.5
        Orbital Velocity (Km/sec)               =  4.77
 

  Pluto
 

        Year (Earth days)                       =  90474.9
        Day (Earth hours)                       =  159h 19m
        Diameter (km)                           =  2400
        Diameter (Miles)                        =  1500
        Average Temperature (C)                 =
        Density (Water = 1)                     =  0.7(?)
        Moons                                   =  1
        Surface Gravity (Earth = 1)             =  0.03(?)
        Mass (x10,000,000,000,000 Gigatons)     =  .06
        Axial Tilt                              =
        Volume (Earth = 1)                      =
        Distance from Sun (Million Km)          =  5902.8
        Distance from Sun (Million miles)       =  3667.9
        Orbital Velocity (Km/sec)               =  <4.77