| Discovery | |
|---|---|
| Discovered by | Mayor, Udry et al. |
| Discovery site |  France |
| Discovery date | 2001 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| 0.746 AU (111,600,000 km) | |
| Eccentricity | 0.359 |
| 219 d | |
| 1189.3 | |
| 127 | |
| Semi-amplitude | 41.7 ± 0.91 |
| Star | HD 82943 |
HD 82943 c is an extrasolar planet approximately 89 light-years away in the constellation of Hydra. The planet was announced in 2001 to be orbiting the yellow dwarf star HD 82943.[1] The planet is the innermost planet of two.[2]