The HD 215152 system contains 4 exoplanets. It is located 70.44 light years away from the solar system.
| Mass | 0.77 solar masses |
| Radius | 0.73 solar radiae |
| Temperature | 4935 kelvin |
| Stellar Metallicity | -0.1 decimal exponent |
| Age | - billion years |
At 1.819 Earth masses, HD 215152 b is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 1.819 Earth masses |
| Density | 5.930 grams per cubic centimeter |
| Radius | 1.190 Earth radiae |
| Semi-major Axis | 0.057638 AU |
| Eccentricity | 0 |
| Orbital Period | 5.760 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2018-06 |
| Reference | Delisle et al. 2018 |
At 1.720 Earth masses, HD 215152 c is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 1.720 Earth masses |
| Density | 5.900 grams per cubic centimeter |
| Radius | 1.170 Earth radiae |
| Semi-major Axis | 0.067393 AU |
| Eccentricity | 0 |
| Orbital Period | 7.282 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2018-06 |
| Reference | Delisle et al. 2018 |
At 2.802 Earth masses, HD 215152 d is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 2.801 Earth masses |
| Density | 4.750 grams per cubic centimeter |
| Radius | 1.480 Earth radiae |
| Semi-major Axis | 0.08799 AU |
| Eccentricity | 0 |
| Orbital Period | 10.865 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2018-06 |
| Reference | Delisle et al. 2018 |
At 2.878 Earth masses, HD 215152 e is a so called Super Earth. Super Earths could be terrestrial worlds like Earth, but they could also be ocean worlds or terrestrial worlds wrapped in a substantial atmosphere, in which case some refer to them as Mini Neptunes.
| Mass | 2.877 Earth masses |
| Density | 4.590 grams per cubic centimeter |
| Radius | 1.510 Earth radiae |
| Semi-major Axis | 0.15417 AU |
| Eccentricity | 0 |
| Orbital Period | 25.197 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | La Silla Observatory |
| Discovery Telescope | 3.6 m ESO Telescope |
| Discovery Instrument | HARPS Spectrograph |
| Discovery Date | 2018-06 |
| Reference | Delisle et al. 2018 |