PLNTSTAT.TXT


                    P L A N E T A R Y   S T A T I S T I C S


 
M E R C U R Y
 
Mean Distance From Sun...................  57.9 million km
 
Period of Revolution.....................  88 days
 
Rotation Period..........................  59 days
 
Inclination of Axis......................  Near 0 degrees
 
Inclination of Orbit to Ecliptic.........  7 degrees
 
Eccentricity of Orbit...................   .206 degrees
 
Equatorial Diameter (kilometers).........  4,880
 
Atmosphere (Main Components).............  Virtually None
 
Satellites...............................  0
Rings....................................  0
 
 
V E N U S
 
Mean Distance From Sun...................  108.2 million km
 
Period of Revolution.....................  224.7 days
 
Rotation Period..........................  243 days (Retrograde)
 
Inclination of Axis......................  3 degrees
 
Inclination of Orbit to Ecliptic.........  3.4 dgrees
 
Eccentricity of Orbit ...............      .007 degrees
 
Equatorial Diameter (kilometers).........  12,100
 
Atmosphere (Main Components).............  Carbon Dioxide
 
Satellites................................ 0
Rings..................................... 0
 
 
E A R T H
 
Mean Distance From Sun...................  149.6 million km
 
Period of Revolution.....................  365 days
 
Rotation Period..........................  23 hrs, 56 minutes
 
Inclination of Axis......................  23.27 degrees
 
Inclination of Orbit to Ecliptic.........  0 degrees
 
Eccentricity of Orbit..................    .017 degrees
 
Equatorial Diameter (kilometers).........  12,756
 
Atmosphere (Main Components).............  Nitrogen, Oxygen
 
Satellites...............................  1
Rings....................................  0
 
 
M A R S
 
Mean Distance From Sun...................  227.9 million km
 
Period of Revolution.....................  687 days
 
Rotation Period..........................  24 hrs, 37 minutes
 
Inclination of Axis......................  25.12 degrees
 
Inclination of Orbit to Ecliptic.........  1.9 degrees
 
Eccentricity of Orbit...................   .093 degress
 
Equatorial Diameter (kilometers).........  6,794
 
Atmosphere (Main Components).............  Carbon Dioxide
 
Satellites...............................  2
Rings....................................  0
 
 
J U P I T E R
 
Mean Distance From Sun...................  778.3 million km
 
Period of Revolution.....................  11.86 years
 
Rotation Period..........................  09 hours, 55 minutes
 
Inclination of Axis......................  3.5 degrees
 
Inclination of Orbit to Ecliptic.........  1.3 degrees
 
Eccentricity of Orbit.................     .048 degrees
 
Equatorial Diameter (kilometers).........  143,200
 
Atmosphere (Main Components).............  Hydrogen, Helium
 
Satellites...............................  16
Rings....................................  01
 
 
S A T U R N
 
Mean Distance From Sun ..................  1.427 billion km
 
Period of Revolution.....................  29.46 years
 
Rotation Period..........................  10 hrs, 40 minutes
 
Inclination of Axis......................  26.44 degrees
 
Inclination of Orbit to Ecliptic.........  2.5 degrees
 
Eccentricity of Orbit....................  .056 degrees
 
Equatorial Diameter (kilometers).........  120,000
 
Atmosphere (Main Components).............  Hydrogen, Helium
 
Satellites...............................  21
Rings....................................  1000 (?)
 
 
U R A N U S
 
Mean Distance From Sun ..................  2.870 billion km
 
Period of Revolution.....................  84 years
 
Rotational Period........................  17.2 hrs (Retrograde)
 
Inclination of Axis......................  97.55 degress
 
Inclination of Orbit to Ecliptic.........  0.8 degress
 
Eccentricity of Orbit....................  .047 degress
 
Equatorial Diameter (kilometers).........  51,800
 
Atmosphere (Main Components).............  Helium, Hydrogen, Methane
 
Satellites...............................  15
Rings....................................  11 (?)
 
 
N E P T U N E
 
Mean Distance From Sun ..................  4.497 billion km
 
Period of Revolution.....................  165 years
 
Rotation  Period.........................  18 hrs, 30 minutes (?)
 
Inclination of Axis......................  28.48 degrees
 
Inclination of Orbit to Ecliptic.........  1.8 degrees
 
Eccentricity of Orbit....................  .009 degrees
 
Equatorial Diameter......................  49,500 (?)
 
Atmosphere (Main Component)..............  Hydrogen, Helium, Methane
 
Satellites...............................  2
Rings.................................... (?)
 
 
P L U T O
 
Mean Distance From The ..................  5.900 billion km
 
Period of Revolution.....................  248 years
 
Rotation Period..........................  6 days, 9 hrs, 18 minutes
                                           (Retrograde)
 
Inclination of Axis......................  ?
 
Inclination of Orbit to Ecliptic.........  17.2 degrees
 
Eccentricity of Orbit.................     .254 degrees
 
Equatorial Diameter (kilometers).........  3,000 (?)
 
Atmosphere (Main Components).............  None Detected
 
Satellites...............................  1
Rings....................................  ?