The TOI-451 system contains 3 exoplanets. It is located 403.58 light years away from the solar system.
| Mass | 0.95 solar masses |
| Radius | 0.88 solar radiae |
| Temperature | 5550 kelvin |
| Stellar Metallicity | - decimal exponent |
| Age | 0.12 billion years |
With a mass below 5 Earth masses, a density of 3.4, and a semi-major axis of 0.0283 astronomical units, TOI-451 b could, potentially, be an ocean world - a planet with no dry land.
| Mass | 4.310 Earth masses |
| Density | 3.400 grams per cubic centimeter |
| Radius | 1.910 Earth radiae |
| Semi-major Axis | 0.0283 AU |
| Eccentricity | 0 |
| Orbital Period | 1.859 days |
| Discovery Method | Transit |
| Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
| Discovery Telescope | 0.1 m TESS Telescope |
| Discovery Instrument | TESS CCD Array |
| Discovery Date | 2021-02 |
| Reference | Newton et al. 2021 |
At more than 10 Earth masses, TOI-451 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 | 9.800 Earth masses |
| Density | 1.810 grams per cubic centimeter |
| Radius | 3.100 Earth radiae |
| Semi-major Axis | 0.0823 AU |
| Eccentricity | 0 |
| Orbital Period | 9.193 days |
| Discovery Method | Transit |
| Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
| Discovery Telescope | 0.1 m TESS Telescope |
| Discovery Instrument | TESS CCD Array |
| Discovery Date | 2021-02 |
| Reference | Newton et al. 2021 |
At more than 10 Earth masses, TOI-451 d 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 | 15.600 Earth masses |
| Density | 1.270 grams per cubic centimeter |
| Radius | 4.070 Earth radiae |
| Semi-major Axis | 0.1208 AU |
| Eccentricity | 0 |
| Orbital Period | 16.365 days |
| Discovery Method | Transit |
| Discovery Facility | Transiting Exoplanet Survey Satellite (TESS) |
| Discovery Telescope | 0.1 m TESS Telescope |
| Discovery Instrument | TESS CCD Array |
| Discovery Date | 2021-02 |
| Reference | Newton et al. 2021 |