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Exoplanet TOI 1846 b
Exoplanet TOI 1846 b orbits star TOI 1846 that lies 154 light years away from the Sun.
It weighs about 4.4 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
154 light years
154 light years
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TOI 1846 b
Exoplanet, super-earth
Star: TOI 1846
Distance from the star: 0.03646 AU
Orbit around star: 3.930673 days
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Orbital period
Orbital period of exoplanet TOI 1846 b around its star is 3.930673 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
Basic characteristic
Mass: 4.4 M Earth
Exoplanet mass
Exoplanet TOI 1846 b has 4.4 Earth masses, or 0.3 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: 1.792 R Earth | 0.2 R Jupiter
Density: 4216 kg/m3 | 76.47 % Earth
Temperature: 568.1 K | 294.95 °C
Year of discovery: 2025 (transit)
Other designations of this exoplanet
TOI-1846 b, 2MASS J17114930+5431369 b, TIC 198385543 b
TOI-1846 b, 2MASS J17114930+5431369 b, TIC 198385543 b
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TOI 1846 system structure
Exoplanet TOI 1846 b orbits star TOI 1846, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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TOI 1846 | ||||||||
| TOI 1846 b | 0.04 AU | 4.4 M⊕ | 1.8 R⊕ | 3.9 days | |||||
Comparison
When comparing to the Solar system planets, TOI 1846 b has 30 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 80 | 5.4 | 4.4 | 40 | 0.01 | 0.05 | 0.3 | 0.26 |
|
Size | 4.68 | 1.89 | 1.79 | 3.38 | 0.16 | 0.2 | 0.45 | 0.47 |
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Density | 0.78 | 0.8 | 0.76 | 1.03 | 3.39 | 6.05 | 3.35 | 2.44 |
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Distance | 0.09 | 0.05 | 0.04 | 0.02 | 0.01 | 0 | 0 | 0 |
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Temperature | 1.29 | 0.77 | 1.97 | 2.73 | 3.49 | 4.27 | 7.28 | 7.89 |
Habitability
Habitable zone of the star: 0.06 - 0.09 AU
The planet's orbit is close to hotter edge of the habitable zone of its star.