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Those are the constants in the units library:
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
sun equatorial radius |
kilometers |
695700.0 |
the equatorail radius (aka semi-major axis) of the sun |
V |
V |
sun escape velocity |
meters per second |
617700.0 |
the minimum speed needed for an object to escape from the gravitational influence of the sun |
V |
V |
sun mass |
kilograms |
1.98855E30 |
the mass of the sun |
V |
V |
sun mean density |
kilograms per liter |
1.408 |
the mean ratio of the mass of the sun to the volume of space it takes up |
V |
V |
sun sidereal rotation period |
seconds |
2192831.6 |
the time it takes the sun to make a whole spin around itself |
V |
V |
sun surface gravity |
meters per square second |
274.0 |
the gravitational acceleration experienced at the surface of the sun |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
mercury equatorial radius |
kilometers |
2439.7 |
the equatorail radius (aka semi-major axis) of mercury |
V |
V |
mercury escape velocity |
meters per second |
4300.0 |
the minimum speed needed for an object to escape from the gravitational influence of mercury |
V |
V |
mercury mass |
kilograms |
3.3011E23 |
the mass of mercury |
V |
V |
mercury mean density |
kilograms per liter |
5.427 |
the mean ratio of the mass of mercury to the volume of space it takes up |
V |
V |
mercury sidereal rotation period |
seconds |
5067360.0 |
the time it takes mercury to make a whole spin around itself |
V |
V |
mercury surface gravity |
meters per square second |
3.7 |
the gravitational acceleration experienced at the surface of mercury |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
venus equatorial radius |
kilometers |
6051.8 |
the equatorail radius (aka semi-major axis) of venus |
V |
V |
venus escape velocity |
meters per second |
10360.0 |
the minimum speed needed for an object to escape from the gravitational influence of venus |
V |
V |
venus mass |
kilograms |
4.8675E24 |
the mass of venus |
V |
V |
venus mean density |
kilograms per liter |
5.243 |
the mean ratio of the mass of venus to the volume of space it takes up |
V |
V |
venus sidereal rotation period |
seconds |
-2.099736E7 |
the time it takes venus to make a whole spin around itself |
V |
V |
venus surface gravity |
meters per square second |
8.87 |
the gravitational acceleration experienced at the surface of venus |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
earth escape velocity |
meters per second |
11186.0 |
the minimum speed needed for an object to escape from the gravitational influence of earth |
V |
V |
earth mass |
kilograms |
5.9723E24 |
the mass of earth |
V |
V |
earth mean density |
kilograms per liter |
5.514 |
the mean ratio of the mass of earth to the volume of space it takes up |
V |
V |
earth sidereal rotation period |
seconds |
86164.2 |
the time it takes earth to make a whole spin around itself |
V |
V |
earth surface gravity |
meters per square second |
9.798 |
the gravitational acceleration experienced at the surface of earth |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
mars equatorial radius |
kilometers |
3396.2 |
the equatorail radius (aka semi-major axis) of mars |
V |
V |
mars escape velocity |
meters per second |
5030.0 |
the minimum speed needed for an object to escape from the gravitational influence of mars |
V |
V |
mars mass |
kilograms |
6.4171E23 |
the mass of mars |
V |
V |
mars mean density |
kilograms per liter |
3.933 |
the mean ratio of the mass of mars to the volume of space it takes up |
V |
V |
mars sidereal rotation period |
seconds |
88642.44 |
the time it takes mars to make a whole spin around itself |
V |
V |
mars surface gravity |
meters per square second |
3.71 |
the gravitational acceleration experienced at the surface of mars |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
jupiter equatorial radius |
kilometers |
71492.0 |
the equatorail radius (aka semi-major axis) of jupiter |
V |
V |
jupiter escape velocity |
meters per second |
59500.0 |
the minimum speed needed for an object to escape from the gravitational influence of jupiter |
V |
V |
jupiter mass |
kilograms |
1.89819E27 |
the mass of jupiter |
V |
V |
jupiter mean density |
kilograms per liter |
1.326 |
the mean ratio of the mass of jupiter to the volume of space it takes up |
V |
V |
jupiter sidereal rotation period |
seconds |
35730.0 |
the time it takes jupiter to make a whole spin around itself |
V |
V |
jupiter surface gravity |
meters per square second |
24.79 |
the gravitational acceleration experienced at the surface of jupiter |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
saturn equatorial radius |
kilometers |
60268.0 |
the equatorail radius (aka semi-major axis) of saturn |
V |
V |
saturn escape velocity |
meters per second |
35500.0 |
the minimum speed needed for an object to escape from the gravitational influence of saturn |
V |
V |
saturn mass |
kilograms |
5.6834E26 |
the mass of saturn |
V |
V |
saturn mean density |
kilograms per liter |
0.687 |
the mean ratio of the mass of saturn to the volume of space it takes up |
V |
V |
saturn sidereal rotation period |
seconds |
38361.6 |
the time it takes saturn to make a whole spin around itself |
V |
V |
saturn surface gravity |
meters per square second |
10.44 |
the gravitational acceleration experienced at the surface of saturn |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
uranus equatorial radius |
kilometers |
25559.0 |
the equatorail radius (aka semi-major axis) of uranus |
V |
V |
uranus escape velocity |
meters per second |
21300.0 |
the minimum speed needed for an object to escape from the gravitational influence of uranus |
V |
V |
uranus mass |
kilograms |
8.6813E25 |
the mass of uranus |
V |
V |
uranus mean density |
kilograms per liter |
1.271 |
the mean ratio of the mass of uranus to the volume of space it takes up |
V |
V |
uranus sidereal rotation period |
seconds |
-62064.0 |
the time it takes uranus to make a whole spin around itself |
V |
V |
uranus surface gravity |
meters per square second |
8.87 |
the gravitational acceleration experienced at the surface of uranus |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
neptune equatorial radius |
kilometers |
24764.0 |
the equatorail radius (aka semi-major axis) of neptune |
V |
V |
neptune escape velocity |
meters per second |
23500.0 |
the minimum speed needed for an object to escape from the gravitational influence of neptune |
V |
V |
neptune mass |
kilograms |
1.02413E26 |
the mass of neptune |
V |
V |
neptune mean density |
kilograms per liter |
1.638 |
the mean ratio of the mass of neptune to the volume of space it takes up |
V |
V |
neptune sidereal rotation period |
seconds |
57996.0 |
the time it takes neptune to make a whole spin around itself |
V |
V |
neptune surface gravity |
meters per square second |
11.15 |
the gravitational acceleration experienced at the surface of neptune |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
pluto equatorial radius |
kilometers |
1187.0 |
the equatorail radius (aka semi-major axis) of pluto |
V |
V |
pluto escape velocity |
meters per second |
1210.0 |
the minimum speed needed for an object to escape from the gravitational influence of pluto |
V |
V |
pluto mass |
kilograms |
1.303E22 |
the mass of pluto |
V |
V |
pluto mean density |
kilograms per liter |
1.86 |
the mean ratio of the mass of pluto to the volume of space it takes up |
V |
V |
pluto sidereal rotation period |
seconds |
-551854.08 |
the time it takes pluto to make a whole spin around itself |
V |
V |
pluto surface gravity |
meters per square second |
0.62 |
the gravitational acceleration experienced at the surface of pluto |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
semi major axis |
meters |
6378137.0 |
the semi major axis of earth modeled by the wgs84. |
V |
V |
semi minor axis |
meters |
6356752.3142 |
the semi minor axis of earth modeled by the wgs84. |
V |
V |
flattening |
|
0.00335281066 |
the flattening of earth modeled by the wgs84. |
V |
V |
first eccentricity |
|
0.081819190842622 |
the first eccentricity of earth modeled by the wgs84. |
V |
V |
second eccentricity |
|
0.082094437949696 |
the second eccentricity of earth modeled by the wgs84. |
V |
V |
Constant Name
|
Unit Scale
|
Value
|
Description
|
Is C++ Supported?
|
Is Java Supported?
|
speed of light |
meters per second |
2.99792458E8 |
the speed of light in vacuum. |
V |
V |
planck constant |
joules * seconds |
6.62607004E-34 |
the quantum of action. |
V |
V |
reduced planck constant |
joules * seconds |
1.0545718E-34 |
planck constant divided by 2 pi. |
V |
V |
gravitational constant |
(newtons * meters * meters) / (kilograms * kilograms) |
6.67408E-11 |
a constant regarding the force between two objects, depending on their masses and distance |
V |
V |
elementary charge |
coulombs |
1.6021766208E-19 |
the electric charge of a single proton |
V |
V |