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Exoplanet TOI 1266 b
Exoplanet TOI 1266 b orbits star TOI 1266 that lies 118 light years away from the Sun.
It weighs about 4.23 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
118 light years
118 light years
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TOI 1266 b
Exoplanet, sub-neptune
Star: TOI 1266
Distance from the star: 0.0728 AU
Orbit around star: 10.89484 days
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Orbital period
Orbital period of exoplanet TOI 1266 b around its star is 10.89484 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: 0.22Basic characteristic
Mass: 4.23 M Earth
Exoplanet mass
Exoplanet TOI 1266 b has 4.23 Earth masses, or 0.29 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: 2.62 R Earth | 0.2 R Jupiter
Density: 1297 kg/m3 | 23.53 % Earth
Temperature: 425 K | 151.85 °C
Year of discovery: 2020 (transit)
Other designations of this exoplanet
TIC 467179528 b, 2MASS J13115955+6550017 b
TIC 467179528 b, 2MASS J13115955+6550017 b
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TOI 1266 system structure
Exoplanet TOI 1266 b orbits star TOI 1266, which has lower mass than Sun. It is one of 3 known exoplanets orbiting this star.
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TOI 1266 | ||||||||
| TOI 1266 d unconfirmed |
n/a | 4.6 M⊕ | 32.3 days | ||||||
| TOI 1266 b | 0.07 AU | 4.2 M⊕ | 2.6 R⊕ | 10.9 days | |||||
| TOI 1266 c | 0.1 AU | 2.9 M⊕ | 2.1 R⊕ | 18.8 days | |||||
Comparison
When comparing to the Solar system planets, TOI 1266 b has 29 % 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 | 76.91 | 5.19 | 4.23 | 38.45 | 0.01 | 0.04 | 0.29 | 0.25 |
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Size | 6.84 | 2.76 | 2.62 | 4.94 | 0.23 | 0.29 | 0.66 | 0.69 |
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Density | 0.24 | 0.25 | 0.24 | 0.32 | 1.04 | 1.86 | 1.03 | 0.75 |
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Distance | 0.19 | 0.1 | 0.07 | 0.05 | 0.01 | 0.01 | 0 | 0 |
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Temperature | 0.97 | 0.58 | 1.48 | 2.04 | 2.61 | 3.2 | 5.45 | 5.9 |
Habitability
Habitable zone of the star: 0.2 - 0.28 AU
The planet is too hot to sustain liquid water.
The planet is bigger than Earth and smaller than Neptune. Its average density 1297 kg/m3 points to a hot gas planet.