Discovering exoplanets: The radial velocity method
Rotational Quantities
radial_velocity
Radial Velocity Calculator - Calculator Academy
orbital mechanics - Point Ahead Angle and Doppler Shift Frequency Changes Calculation with the tangential/radial velocity component for Inter-Satellite Link - Space Exploration Stack Exchange
star - Calculating Radial Velocity from Hipparcos - Astronomy Stack Exchange
Relativity Physics and Science Calculator - Einstein