Identifier |
Value |
Units |
Description |
Astronomical Unit |
1.49597870691 1011 |
m |
The astronomical unit (AU) is the approximate the mean distance between Earth and Sun. |
Earth Radius |
6378000 |
m |
mean radius of earth |
Earth Acceleration |
9.80665 |
m s-2 |
gravitational acceleration on earth |
Gravitational Constant |
6.673 10-11 |
m3kg-1s-2 |
Newtonian constant of gravitation |
Lightyear |
9.46053620707 1015 |
m |
A lightyear is the distance light travels in free spaces during a year. |
Parsec |
3.08567758135 1016 |
m |
The parsec is the distance at which two objects, separated by 1 astronomical unit, appear to be separated by an angle of 1 arcsecond. |
Solar Mass |
1.98892 1030 |
kg |
solar mass |