*Earth mass: $5.9742 \times 10^{24} kg$ *Earth equatorial radii: $6378.135 \times 10^3 m$ *Gravitational constant: $6.67384 \times 10^{-11} m^3 kg^{-1} s^{-2}$ *Angular frequency of earth self-rotation: $\omega = 7.29 \times 10^{-5} s^{-1}$