The CD Cet system contains 1 exoplanet. It is located 28.07 light years away from the solar system.
| Mass | 0.16 solar masses |
| Radius | 0.17 solar radiae |
| Temperature | 3130 kelvin |
| Stellar Metallicity | 0.13 decimal exponent |
| Age | 3 billion years |
At 3.953 Earth masses, CD Cet 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 | 3.950 Earth masses |
| Density | 3.600 grams per cubic centimeter |
| Radius | 1.820 Earth radiae |
| Semi-major Axis | 0.0185 AU |
| Eccentricity | NaN |
| Orbital Period | 2.291 days |
| Discovery Method | Radial Velocity |
| Discovery Facility | Calar Alto Observatory |
| Discovery Telescope | 3.5 m telescope |
| Discovery Instrument | CARMENES |
| Discovery Date | 2020-08 |
| Reference | Bauer et al. 2020 |