| Discovery | |
|---|---|
| Discovered by | Lopez-Morales et al. |
| Discovery site | Las Campanas Observatory |
| Discovery date | September 5, 2008 |
| Doppler spectroscopy | |
| Orbital characteristics | |
| Apastron | 1.138 AU (170,200,000 km) |
| Periastron | 0.654 AU (97,800,000 km) |
| 0.896+0.019 −0.015 AU | |
| Eccentricity | 0.27 ± 0.07 |
| 279.8 ± 0.1 d 0.7660 y | |
Average orbital speed | 35.0 |
| 3390.7 ± 0.7 | |
| 301 ± 8 | |
| Star | HD 205739 |
HD 205739 b is an extrasolar planet located approximately 350 light-years away.
The planet HD 205739 b is named Samagiya. The name was selected in the NameExoWorlds campaign by Sri Lanka, during the 100th anniversary of the IAU. Samagiya means togetherness and unity in the Sinhalese language.[1][2]