PLANET DATA REFERENCE

 

MERCURY

 

P

Mass 1024kg = 0.3302

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Volume 1010km3= 6.083

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Mean Radius km = 2,440

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Surface gravity (g) ms-2 = 3.7

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Number of Moons = 0

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Distance from Sun (semi-major axis) 106km = 57.8

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Min distance from sun (perihelion) 106km = 46.0

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Max distance from sun (aphelion) 106km = 69.8

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Eccentricity = 0.21

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Inclination of rotation to orbit = 0.01°

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Length of “Day”(Rotation period) hrs = 4,223

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Length of “Year” (Orbital period) days = 87.969

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Discoverer = Unknown

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Atmosphere Pressure bar = 10-15

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Atmosphere Composition = O2, Na, H2

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Average Temperature °C = 167

VENUS

 

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Mass 1024kg = 4.8685

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Volume 1010km3= 92.843

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Mean Radius km = 6,052

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Surface gravity (g) ms-2 = 8.9

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Number of Moons = 0

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Distance from Sun (semi-major axis) 106km = 108.2

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Min distance from sun (perihelion) 106km = 107.5

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Max distance from sun (aphelion) 106km = 108.9

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Eccentricity = 0.0067

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Inclination of rotation to orbit = 177.36°

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Length of “Day”(Rotation period) hrs = 2,802

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Length of “Year” (Orbital period) days = 224.701

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Discoverer = Unknown

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Atmosphere Pressure bar = 92

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Atmosphere Composition = CO2, N2

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Average Temperature °C = 464

EARTH

 

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Mass 1024kg = 5.974

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Volume 1010km3= 108.321

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Mean Radius km = 6,371

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Surface gravity (g) ms-2 = 9.8

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Number of Moons = 1

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Distance from Sun (semi-major axis) 106km = 149.6

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Min distance from sun (perihelion) 106km = 147.1

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Max distance from sun (aphelion) 106km = 152.1

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Eccentricity = 0.017

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Inclination of rotation to orbit = 23.45°

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Length of “Day”(Rotation period) hrs = 24.0

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Length of “Year” (Orbital period) days = 365.256

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Discoverer = Erm…

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Atmosphere Pressure bar = 1

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Atmosphere Composition = N22

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Average Temperature °C = 15

MARS

 

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Mass 1024kg = 0.6419

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Volume 1010km3= 16.318

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Mean Radius km = 3,370

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Surface gravity (g) ms-2 = 3.7

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Number of Moons = 2

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Distance from Sun (semi-major axis) 106km = 227.9

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Min distance from sun (perihelion) 106km = 206.6

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Max distance from sun (aphelion) 106km = 249.2

P

Eccentricity = 0.094

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Inclination of rotation to orbit = 25.19°

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Length of “Day”(Rotation period) hrs = 24.7

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Length of “Year” (Orbital period) days = 686.980

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Discoverer = Unknown

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Atmosphere Pressure bar = 0.006

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Atmosphere Composition = CO2, N2

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Average Temperature °C = -63

JUPITER

 

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Mass 1024kg = 1,898.6

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Volume 1010km3= 143,128

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Mean Radius km = 69,911

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Surface gravity (g) ms-2 = 24.8

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Number of Moons = 63

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Distance from Sun (semi-major axis) 106km = 778.6

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Min distance from sun (perihelion) 106km = 740.5

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Max distance from sun (aphelion) 106km = 816.6

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Eccentricity = 0.049

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Inclination of rotation to orbit = 3.13°

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Length of “Day”(Rotation period) hrs = 9.9

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Length of “Year” (Orbital period) days = 4,332.589

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Discoverer = Unknown

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Atmosphere Pressure bar = >>1000

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Atmosphere Composition = H2, He

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Average Temperature °C = -108

SATURN

 

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Mass 1024kg = 468.46

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Volume 1010km3= 82,713

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Mean Radius km = 58,232

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Surface gravity (g) ms-2 = 10.4

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Number of Moons = 33

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Distance from Sun (semi-major axis) 106km = 1,443.5

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Min distance from sun (perihelion) 106km = 1,352.6

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Max distance from sun (aphelion) 106km = 1,514.5

P

Eccentricity = 0.057

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Inclination of rotation to orbit = 26.73°

P

Length of “Day”(Rotation period) hrs = 10.7

P

Length of “Year” (Orbital period) days = 10,759.22

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Discoverer = Unknown

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Atmosphere Pressure bar = >>1000

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Atmosphere Composition = H2, He

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Average Temperature °C = -139

URANUS

 

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Mass 1024kg = 86.83

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Volume 1010km3= 6,833

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Mean Radius km = 25,362

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Surface gravity (g) ms-2 = 8.9

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Number of Moons = 29

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Distance from Sun (semi-major axis) 106km = 2,872.5

P

Min distance from sun (perihelion) 106km = 2,741.3

P

Max distance from sun (aphelion) 106km = 3003.6

P

Eccentricity = 0.046

P

Inclination of rotation to orbit = 97.77°

P

Length of “Day”(Rotation period) hrs = 17.2

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Length of “Year” (Orbital period) days = 30,685.4

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Discoverer = William Herschel
(1781)

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Atmosphere Pressure bar = >>1000

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Atmosphere Composition = H2, He

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Average Temperature °C = -197

NEPTUNE

 

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Mass 1024kg = 102.43

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Volume 1010km3= 6,254

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Mean Radius km = 24,624

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Surface gravity (g) ms-2 = 11.2

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Number of Moons = 13

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Distance from Sun (semi-major axis) 106km = 4,495.1

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Min distance from sun (perihelion) 106km = 4,444.5

P

Max distance from sun (aphelion) 106km = 4,545.7

P

Eccentricity = 0.011

P

Inclination of rotation to orbit = 28.32°

P

Length of “Day”(Rotation period) hrs = 16.1

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Length of “Year” (Orbital period) days = 60,189

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Discoverer = Johann Galle (1846)

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Atmosphere Pressure bar = >>1000

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Atmosphere Composition = H2, He

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Average Temperature °C = -201

PLUTO

 

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Mass 1024kg = 0.0125

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Volume 1010km3= 0.0125

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Mean Radius km = 0.715

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Surface gravity (g) ms-2 = 0.58

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Number of Moons = 1

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Distance from Sun (semi-major axis) 106km = 5,869.7

P

Min distance from sun (perihelion) 106km = 4,435.0

P

Max distance from sun (aphelion) 106km = 7,304.3

P

Eccentricity = 0.24

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Inclination of rotation to orbit = 122.55°

P

Length of “Day”(Rotation period) hrs = 153.3

P

Length of “Year” (Orbital period) days = 90,465

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Discoverer = Clyde Tombaugh (1930)

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Atmosphere Pressure bar = 10-6

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Atmosphere Composition = CH4, N2

P

Average Temperature °C = -229

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