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Exoplanet TOI 283 b
Exoplanet TOI 283 b orbits star TOI 283 that lies 269 light years away from the Sun.
It weighs about 6.57 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
269 light years
269 light years
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TOI 283 b
Exoplanet, sub-neptune
Star: TOI 283
Distance from the star: 0.123 AU
Orbit around star: 17.61745 days
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Orbital period
Orbital period of exoplanet TOI 283 b around its star is 17.61745 days.
The orbital period of an exoplanet is the time it takes to complete one full orbit around its star, usually measured in days. Most of the exoplanets discovered so far have orbital periods of less than one year...
More about Orbital period in StellarGuide
Eccentricity: 0.11Basic characteristic
Mass: 6.57 M Earth
Exoplanet mass
Exoplanet TOI 283 b has 6.57 Earth masses, or 0.45 times the mass of Uranus.
The mass of an exoplanet is one of the most important characteristics for understanding what kind of world it is — whether it’s small and rocky like Earth or large and gaseous like Jupiter. Mass provides key information about the planet’s composition, gravity, and formation history...
More about Exoplanet mass in StellarGuide
Size: 2.33 R Earth | 0.2 R Jupiter
Density: 2864 kg/m3 | 51.95 % Earth
Temperature: 661 K | 387.85 °C
Year of discovery: 2025 (transit)
Other designations of this exoplanet
TYC 8919-520-1 b, 2MASS J07541669-6526294 b, TIC 382626661 b, b
TYC 8919-520-1 b, 2MASS J07541669-6526294 b, TIC 382626661 b, b
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Comparison
When comparing to the Solar system planets, TOI 283 b has 45 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 119.45 | 8.06 | 6.57 | 59.73 | 0.02 | 0.07 | 0.45 | 0.38 |
|
Size | 6.09 | 2.45 | 2.33 | 4.4 | 0.21 | 0.26 | 0.58 | 0.61 |
|
Density | 0.53 | 0.55 | 0.52 | 0.7 | 2.3 | 4.11 | 2.28 | 1.66 |
|
Distance | 0.32 | 0.17 | 0.12 | 0.08 | 0.02 | 0.01 | 0.01 | 0 |
|
Temperature | 1.5 | 0.9 | 2.3 | 3.18 | 4.06 | 4.97 | 8.47 | 9.18 |
Habitability
Habitable zone of the star: 0.57 - 0.82 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 2864 kg/m3 points to a hot gas planet.