HD 28185 b
HD 28185 b is an extrasolar planet 128 light-years away from Earth in the constellation of Eridanus. The planet was discovered orbiting the Sun-like star HD 28185 in April 2001 as a part of the CORALIE survey for southern extrasolar planets, and its existence was independently confirmed by the Magellan Planet Search Survey in 2008. HD 28185 b orbits its sun in a circular orbit that is at the inner edge of its star's habitable zone.
An artist's impression of HD28185 b | |
| Discovery | |
|---|---|
| Discovered by | Santos et al. |
| Discovery site | La Silla Observatory |
| Discovery date | April 4, 2001 |
| Radial velocity (CORALIE) | |
| Orbital characteristics | |
| 1.035+0.042 −0.046 AU | |
| Eccentricity | 0.055+0.004 −0.003 |
| 1.056 ± 0.0002 years (385.704 ± 0.073 d) | |
| 2452262.394+3.714 −3.315 | |
| 356.596°+3.495° −3.155° | |
| Semi-amplitude | 163.657+0.653 −0.533 |
| Star | HD 28185 |
| Physical characteristics | |
| Mass | ≥5.837+0.486 −0.510 MJ |
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