00h29m59.87s, −05° 45′ 50.41″| Discovery | |
|---|---|
| Discovered by | Moutou, Mayor, Bouchy et al. |
| Discovery site | Geneva |
| Discovery date | 2005 |
| Radial velocity | |
| Orbital characteristics | |
| 0.044 AU (6,600,000 km) | |
| Eccentricity | 0 |
| 3.4442 ± 0.0002 d | |
| 2,453,323.206 ± 0.002 | |
| 0 | |
| Semi-amplitude | 67.4 ± 0.4 |
| Star | HD 2638 |
| Physical characteristics | |
| Mass | >0.48 MJ |
HD 2638 b is a planet of the star HD 2638. It is a typical "hot Jupiter", a planet that orbits its parent star in a very tight "torch orbit". The distance to the star is less than 1/20 Earth's distance from the Sun. One orbital revolution lasts only about three and half days.[1]
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