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Exoplanet TOI-1201 A b
Exoplanet TOI-1201 A b orbits star TOI-1201 A that lies 124 light years away from the Sun.
It weighs about 6.28 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
124 light years
124 light years
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TOI-1201 A b
Exoplanet, sub-neptune
Star: TOI-1201 A
Distance from the star: 0.0287 AU
Orbit around star: 2.49 days
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Orbital period
Orbital period of exoplanet TOI-1201 A b around its star is 2.49 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: 6.28 M Earth
Exoplanet mass
Exoplanet TOI-1201 A b has 6.28 Earth masses, or 0.43 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: 2.41 R Earth | 0.2 R Jupiter
Density: 2474 kg/m3 | 44.88 % Earth
Temperature: 703 K | 429.85 °C
Year of discovery: 2021 (transit)
Other designations of this exoplanet
UCAC3 151-6986 b, DENIS J024859.2-143215 b, 2MASS J02485926-1432152 b, TIC 29960110 b, TIC-29960110 b, PMJ02489−1432W b
UCAC3 151-6986 b, DENIS J024859.2-143215 b, 2MASS J02485926-1432152 b, TIC 29960110 b, TIC-29960110 b, PMJ02489−1432W b
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TOI-1201 system structure
Exoplanet TOI-1201 A b orbits star TOI-1201 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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TOI-1201 A | ||||||||
| TOI-1201 A b | 0.03 AU | 6.3 M⊕ | 2.4 R⊕ | 2.5 days | |||||
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TOI-1201 B | ||||||||
Comparison
When comparing to the Solar system planets, TOI-1201 A b has 43 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 114.18 | 7.71 | 6.28 | 57.09 | 0.02 | 0.07 | 0.43 | 0.37 |
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Size | 6.29 | 2.54 | 2.41 | 4.55 | 0.22 | 0.26 | 0.6 | 0.63 |
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Density | 0.46 | 0.47 | 0.45 | 0.61 | 1.99 | 3.55 | 1.97 | 1.43 |
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Distance | 0.07 | 0.04 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 |
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Temperature | 1.6 | 0.95 | 2.44 | 3.38 | 4.31 | 5.29 | 9.01 | 9.76 |
Habitability
Habitable zone of the star: 0.28 - 0.41 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 2474 kg/m3 points to a hot gas planet.
News from this star system
02. 10 2021
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