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Exoplanet TOI 1221 b
Exoplanet TOI 1221 b orbits star TOI 1221 that lies 447 light years away from the Sun.
It weighs about 1112.675 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
447 light years
447 light years
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TOI 1221 b
Exoplanet, gas giant
Star: TOI 1221
Distance from the star: 0.39 AU
Orbit around star: 91.68278 days
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Orbital period
Orbital period of exoplanet TOI 1221 b around its star is 91.68278 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: 0.21Basic characteristic
Mass: 1112.675 M Earth
| 3.5012 M Jupiter
Exoplanet mass
Exoplanet TOI 1221 b has 1112.675 Earth masses (or 3.5012 Jupiter masses).
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: 2.91 R Earth | 0.3 R Jupiter
Density: 248950 kg/m3 | 4515.69 % Earth
Temperature: 400 K | 126.85 °C
Year of discovery: 2022 (transit)
Other designations of this exoplanet
TIC 349095149 b
TIC 349095149 b
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TOI 1221 system structure
Exoplanet TOI 1221 b orbits star TOI 1221, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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TOI 1221 | ||||||||
| TOI 1221 b | 0.39 AU | 1112.7 M⊕ | 2.9 R⊕ | 91.7 days | |||||
Comparison
When comparing to the Solar system planets, TOI 1221 b has 3.5 times the mass of Jupiter
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 20230.45 | 1365.25 | 1112.68 | 10115.23 | 3.5 | 11.69 | 76.21 | 64.69 |
|
Size | 7.6 | 3.06 | 2.91 | 5.49 | 0.26 | 0.32 | 0.73 | 0.77 |
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Density | 46.09 | 47.5 | 45.15 | 61.11 | 200.1 | 357.43 | 197.94 | 144.05 |
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Distance | 1 | 0.54 | 0.39 | 0.26 | 0.07 | 0.04 | 0.02 | 0.01 |
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Temperature | 0.91 | 0.54 | 1.39 | 1.92 | 2.45 | 3.01 | 5.13 | 5.56 |
Habitability
Habitable zone of the star: 0.91 - 1.3 AU
The planet is too hot to sustain liquid water.