Exoplanet Radial Velocity Lab
Change planet mass and semimajor axis to reshape the stellar wobble and read the RV semi-amplitude K.
Semi-amplitude K28.4 m/s
Period365 d
m sin i318 M⊕
Interactive model — simplified for intuition, not precision ephemerides.
Concepts in this lab
doppler wobblesemi amplitudeminimum massorbital period
Connected topic
Open lessonRadial-velocity method
A complete introduction to Radial-velocity method within Exoplanet discovery, linking observations, physical models, history and modern applications.