| Discovery | |
|---|---|
| Discovered by | Niedzielski et al. |
| Discovery site | La Silla Observatory |
| Discovery date | June 10, 2009 |
| radial velocity | |
| Orbital characteristics | |
| Apastron | 1.53 AU (229,000,000 km) |
| Periastron | 1.13 AU (169,000,000 km) |
| 1.33 AU (199,000,000 km) | |
| Eccentricity | 0.15 ± 0.02 |
| 501.75 ± 2.33d 1.3737 ± 0.0064y | |
| 54486.73 ± 10.93 | |
| 277.49 ± 7.77 | |
| Star | HD 240210 |
HD 240210 b is a 6.9 Jupiter-massexoplanet discovered on June 10, 2009 by Niedzielski Etal. using theHobby-Eberly Telescope.[1] It orbits theK3 giant starHD 240210 in theconstellation ofCassiopeia. Its average orbital separation is at 1.33Astronomical Units away from its star with a year of 501.75days.
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