The HD 42618 system contains 1 exoplanet. It is located 79.37 light years away from the solar system.
| Mass | 1.01 solar masses |
| Radius | 1 solar radiae |
| Temperature | 5727 kelvin |
| Stellar Metallicity | -0.09 decimal exponent |
| Age | 3.72 billion years |
At more than 10 Earth masses, HD 42618 b is an ice giant, a planet that is made up mostly of volatiles like water, amonia and methane, and enveloped by a dense hydrogen and helium atmosphere, much like Uranus and Neptune.
| Mass | 14.400 Earth masses |
| Density | 1.340 grams per cubic centimeter |
| Radius | 3.890 Earth radiae |
| Semi-major Axis | 0.554 AU |
| Eccentricity | 0.19 |
| Orbital Period | 149.610 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Multiple Observatories |
| Discovery Telescope | Multiple Telescopes |
| Discovery Instrument | Multiple Instruments |
| Discovery Date | 2016-10 |
| Reference | Fulton et al. 2016 |