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Exoplanet TOI 1420 b
Exoplanet TOI 1420 b orbits star TOI 1420 that lies 664 light years away from the Sun.
It weighs about 25.1 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
664 light years
664 light years
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TOI 1420 b
Exoplanet, super-puff
Star: TOI 1420
Distance from the star: 0.0710 AU
Orbit around star: 6.956106 days
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Orbital period
Orbital period of exoplanet TOI 1420 b around its star is 6.956106 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: 0.17Basic characteristic
Mass: 25.1 M Earth
Exoplanet mass
Exoplanet TOI 1420 b has 25.1 Earth masses, or 1.46 times the mass of Neptune.
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: 11.89 R Earth | 1.1 R Jupiter
Density: 82 kg/m3 | 1.49 % Earth
Temperature: 957 K | 683.85 °C
Year of discovery: 2023 (transit)
Other designations of this exoplanet
TYC 4261-149-1 b, 2MASS J21314590+6620556 b, WISEA J213145.99+662056.2 b
TYC 4261-149-1 b, 2MASS J21314590+6620556 b, WISEA J213145.99+662056.2 b
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TOI 1420 system structure
Exoplanet TOI 1420 b orbits star TOI 1420, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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TOI 1420 | ||||||||
| TOI 1420 b | 0.07 AU | 25.1 M⊕ | 11.9 R⊕ | 7 days | |||||
Comparison
When comparing to the Solar system planets, TOI 1420 b has 1.46 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 456.36 | 30.8 | 25.1 | 228.18 | 0.08 | 0.26 | 1.72 | 1.46 |
|
Size | 31.05 | 12.52 | 11.89 | 22.43 | 1.06 | 1.31 | 2.97 | 3.13 |
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Density | 0.02 | 0.02 | 0.01 | 0.02 | 0.07 | 0.12 | 0.07 | 0.05 |
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Distance | 0.18 | 0.1 | 0.07 | 0.05 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 2.18 | 1.3 | 3.32 | 4.6 | 5.87 | 7.2 | 12.27 | 13.29 |
Habitability
Habitable zone of the star: 0.8 - 1.1 AU
The planet is too hot to sustain liquid water.