Physical Constants Table (CGS Unit)
Physical Constants Chart
Physical Constants is a physical quantity that is generally believed to be both universal in nature and have constant value in time.
Name | Symbol | Number | CGS* Uits |
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 | me | 9.1096 x 10-28 | g |
Mass of proton | mp | 1.6724 x 10-24 | g |
Mass of neutron | mn | 1.6747 x 10-24 | g |
Mass of hydrogen | mH | 1.6733 x 10-24 | g |
Atomic mass unit | amu | 1.661 x 10-24 | g |
Avagadros number | NA | 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 | σ | 5.67 x 10-5 | erg cm-2 K-4 s-1 | |
Fine structure constant | α | 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☉ | 1.99 x 1033 | g |
Solar radius | R☉ | 6.96 x 1010 | cm |
Solar Luminosity | L☉ | 3.9 x 1033 | erg s-1 |
Solar Temperature | T☉ | 5780 | K |
*CGS - Centimetre-Gram-Second
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 |
Pluto | 1 x 1025 | 1.2 x 108 | 2.47686 x 102 | 3.991136 x 101 | 0.256695 |