| Discovery | |
|---|---|
| Discovered by | Mayor et al. |
| Discovery site |  Paris, France |
| Discovery date | 30 June 2003 |
| Doppler Spectroscopy | |
| Orbital characteristics | |
| 2.03 ± 0.15 AU (304,000,000 ± 22,000,000 km) | |
| Eccentricity | 0.16 ± 0.22 |
| 1003 ± 56 d | |
| 2452261 ± 47 | |
| 68 ± 17 | |
| Semi-amplitude | 17.9 ± 4.6 |
| Star | HD 10647 |
HD 10647 b, also catalogued as q1 Eridani b, is an extrasolar planet approximately 57 light-years away in the constellation of Eridanus (the River). The planet is a mid-Jovian that orbits 103% farther from the star than Earth to the Sun. It takes about 33 months to orbit with semi-amplitude of 17.9 m/s.[1]