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Exoplanet TOI 1453 A b
Exoplanet TOI 1453 A b orbits star TOI 1453 A that lies 257 light years away from the Sun.
It weighs about 2.32 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
257 light years
257 light years
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TOI 1453 A b
Exoplanet, rocky planet
Star: TOI 1453 A
Orbit around star: 4.314 days
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Orbital period
Orbital period of exoplanet TOI 1453 A b around its star is 4.314 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: 2.32 M Earth
Exoplanet mass
Exoplanet TOI 1453 A b has 2.32 Earth masses, or 0.16 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: 1.17 R Earth | 0.1 R Jupiter
Density: 7986 kg/m3 | 144.86 % Earth
Year of discovery: 2025 (transit)
Other designations of this exoplanet
2MASS J17125372+5711520 b, TIC 198390247 b
2MASS J17125372+5711520 b, TIC 198390247 b
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TOI 1453 system structure
Exoplanet TOI 1453 A b orbits star TOI 1453 A, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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TOI 1453 A | ||||||||
| TOI 1453 A b | n/a | 2.3 M⊕ | 1.2 R⊕ | 4.3 days | |||||
| TOI 1453 A c | n/a | 3 M⊕ | 2.2 R⊕ | 6.6 days | |||||
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TOI 1453 B | 171 AU | |||||||
Comparison
When comparing to the Solar system planets, TOI 1453 A b has 16 % of mass of Uranus
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 42.18 | 2.85 | 2.32 | 21.09 | 0.01 | 0.02 | 0.16 | 0.13 |
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Size | 3.06 | 1.23 | 1.17 | 2.21 | 0.1 | 0.13 | 0.29 | 0.31 |
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Density | 1.48 | 1.52 | 1.45 | 1.96 | 6.42 | 11.47 | 6.35 | 4.62 |
Habitability
Habitable zone of the star: 0.4 - 0.57 AU
The planet has mass comparable to Earth.