Radial Velocity Comparison Tables
| Planet Mass | Distance AU |
Radial velocity (vradial) |
Notice |
|---|---|---|---|
| Jupiter | 1 | 28.4 m/s | |
| Jupiter | 5 | 12.7 m/s | |
| Neptune | 0.1 | 4.8 m/s | |
| Neptune | 1 | 1.5 m/s | |
| Super-Earth (5 M⊕) | 0.1 | 1.4 m/s | |
| Alpha Centauri Bb (1.13 ± 0.09 M⊕) | 0.04 | 0.51 m/s | (1) |
| Super-Earth (5 M⊕) | 1 | 0.45 m/s | |
| Earth | 1 | 0.09 m/s |
Ref: Notice 1: Most precise vradial measurements ever recorded. ESO's HARPS spectrograph was used.
| 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 |
Read more about this topic: Stellar Wobble
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