The HD 100655 system contains 1 exoplanet. It is located 447.41 light years away from the solar system.
| Mass | 2.28 solar masses |
| Radius | 10.06 solar radiae |
| Temperature | 4891 kelvin |
| Stellar Metallicity | 0.07 decimal exponent |
| Age | 1.309 billion years |
At more than 50 Earth masses, HD 100655 b is a gas giant, a planet whose mass is mostly made up of hydrogen and helium, like Jupiter and Saturn.
| Mass | 511.706 Earth masses |
| Density | 1.140 grams per cubic centimeter |
| Radius | 13.500 Earth radiae |
| Semi-major Axis | 0.68 AU |
| Eccentricity | 0.09 |
| Orbital Period | 157.570 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Bohyunsan Optical Astronomical Observatory |
| Discovery Telescope | 1.8 m Telescope |
| Discovery Instrument | BOES Echelle Spectrograph |
| Discovery Date | 2012-04 |
| Reference | Omiya et al. 2012 |