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NAME |
SYMBOL
|
NUMBER |
CGS UNITS |
|
Velocity of light |
c |
2.998 x 1010 |
cm s-1 |
|
Planck constant |
h |
6.626
x 10-27 |
erg s |
|
Gravitational constant |
G |
6.67
x 10-8 |
cm3 g-1 s-2 |
|
Electron charge |
e |
4.803
x 10-10 |
esu |
|
Mass of electron |
m_e |
9.1096
x 10-28 |
g |
|
Mass of proton |
m_p |
1.6724
x 10-24 |
g |
|
Mass of neutron |
m_n |
1.6747
x 10-24 |
g |
|
Mass of hydrogen |
m_H |
1.6733
x 10-24 |
g |
|
Atomic mass unit |
amu |
1.661
x 10-24 |
g |
|
Avagadro's number |
N_A |
6.0222
x 1023 |
|
|
Boltzmann constant |
k |
1.38
x 10-16 |
erg K-1 |
|
Electron volt |
ev |
1.602
x 10-12 |
erg |
|
Rad'n density constant |
a |
7.5646
x 10-15 |
erg cm-3 K-4 |
|
Stefan-Boltzmann const |
sigma |
5.67
x 10-5 |
erg cm-2 K-4 s-1 |
|
|
Fine structure constant |
\alpha |
7.29735308 x 10-3 |
|
Rydberg constant |
R |
2.17992
x 10-11 |
erg |
|
Year |
yr |
3.156
x 107 |
s |
|
Astronomical unit |
AU |
1.496
x 1013 |
cm |
|
Parsec |
pc |
3.086
x 1018 |
cm |
|
Light year |
ly |
9.463
x 1017 |
cm |
|
Solar mass |
M_sun |
1.99 x 1033 |
g |
|
Solar radius |
R_sun |
6.96 x 1010 |
cm |
|
Solar Luminosity |
L_sun |
3.9 x 1033 |
erg s-1 |
|
Solar Temperature |
T_sun |
5780 |
K |
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In the calculator above, the Period has been converted to
seconds and
the Semi-Major Axis has been changed to cm.
|
|
Name |
Mass (g) |
Radius (cm) |
Period (yr) |
Semi-Major (AU) |
Eccentricity |
|
Mercury |
3.303 x 1026 |
2.439 x 108 |
2.4085 x 10-1 |
3.87096 x 10-1 |
0.205622 |
|
Venus |
4.87 x 1027 |
6.05 x 108 |
6.1521 x 10-1 |
7.23342 x 10-1 |
0.006783 |
|
Earth |
5.976 x 1027 |
6.378 x 108 |
1.00004 x 100 |
9.99987 x 10-1 |
0.016684 |
|
Mars |
6.418 x 1026 |
3.397 x 108 |
1.88089 x 100 |
1.523705 x 100 |
0.093404 |
|
Jupiter |
1.899 x 1030 |
7.14 x 109 |
1.18622 x 101 |
5.204529 x 100 |
0.047826 |
|
Saturn |
5.686 x 1029 |
6 x 109 |
2.94577 x 101 |
9.575133 x 100 |
0.052754 |
|
Uranus |
8.66 x 1028 |
2.615 x 109 |
8.40139 x 101 |
1.930375 x 101 |
0.050363 |
|
Neptune |
1.03 x 1029 |
2.43 x 109 |
1.64793 x 102 |
3.020652 x 101 |
0.004014 |
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Pluto |
1 x 1025 |
1.2 x 108 |
2.47686 x 102 |
3.991136 x 101 |
0.256695 |
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Most of the JavaScript code for this calculator came (with permission)
from the
Scientific Calculator by Rolf Howarth.
(rolf@insect.demon.co.uk)
Chris Dolan's Home Page
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