The HD 1461 system contains 2 exoplanets. It is located 76.49 light years away from the solar system.
| Mass | 1.02 solar masses |
| Radius | 1.15 solar radiae |
| Temperature | 5765 kelvin |
| Stellar Metallicity | 0.19 decimal exponent |
| Age | 7.12 billion years |
At more than 10 Earth masses, HD 1461 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 | 6.440 Earth masses |
| Density | 2.500 grams per cubic centimeter |
| Radius | 2.420 Earth radiae |
| Semi-major Axis | 0.0634 AU |
| Eccentricity | 0.172 |
| Orbital Period | 5.772 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | W. M. Keck Observatory |
| Discovery Telescope | 10 m Keck I Telescope |
| Discovery Instrument | HIRES Spectrometer |
| Discovery Date | 2010-01 |
| Reference | Rivera et al. 2010 |
At more than 10 Earth masses, HD 1461 c 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 | 5.590 Earth masses |
| Density | 2.770 grams per cubic centimeter |
| Radius | 2.230 Earth radiae |
| Semi-major Axis | 0.1117 AU |
| Eccentricity | 0.305 |
| Orbital Period | 13.505 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2016-01 |
| Reference | Díaz et al. 2016 |