Doppler spectroscopy Radial-velocity comparison tables Planets

| Planet | Planet_Type | Semimajor_Axis_AU_ | Orbital_Period | Radial_velocity_m_s | Detectable_by_ |
|---|---|---|---|---|---|
| 51 Pegasi b | Hot Jupiter | 0.05 | 4.23 days | 55.9 | First-generation spectrograph |
| 55 Cancri d | Gas giant | 5.77 | 14.29 years | 45.2 | First-generation spectrograph |
| Jupiter | Gas giant | 5.20 | 11.86 years | 12.4 | First-generation spectrograph |
| Gliese 581c | Super-Earth | 0.07 | 12.92 days | 3.18 | Second-generation spectrograph |
| Saturn | Gas giant | 9.58 | 29.46 years | 2.75 | Second-generation spectrograph |
| Alpha Centauri Bb | Terrestrial planet | 0.04 | 3.23 days | 0.510 | Second-generation spectrograph |
| Neptune | Ice giant | 30.10 | 164.79 years | 0.281 | Third-generation spectrograph |
| Earth | Habitable planet | 1.00 | 365.26 days | 0.089 | Third-generation spectrograph (likely) |
| Pluto | Dwarf planet | 39.26 | 246.04 years | 0.00003 | Not detectable |