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Exoplanet TOI 771 b
Exoplanet TOI 771 b orbits star TOI 771 that lies 83 light years away from the Sun.
It weighs about 2.47 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
83 light years
83 light years
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TOI 771 b
Exoplanet, super-earth
Star: TOI 771
Distance from the star: 0.0208 AU
Orbit around star: 2.326015 days
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Orbital period
Orbital period of exoplanet TOI 771 b around its star is 2.326015 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: 0.055Basic characteristic
Mass: 2.47 M Earth
Exoplanet mass
Exoplanet TOI 771 b has 2.47 Earth masses, or 0.17 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: 1.36 R Earth | 0.1 R Jupiter
Density: 5414 kg/m3 | 98.20 % Earth
Temperature: 543 K | 269.85 °C
Year of discovery: 2023 (transit)
Other designations of this exoplanet
UCAC4 086-023421 b, TIC 277634430 b, 2MASS J10562716-7259054 b
UCAC4 086-023421 b, TIC 277634430 b, 2MASS J10562716-7259054 b
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Comparison
When comparing to the Solar system planets, TOI 771 b has 17 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 44.91 | 3.03 | 2.47 | 22.45 | 0.01 | 0.03 | 0.17 | 0.14 |
|
Size | 3.55 | 1.43 | 1.36 | 2.57 | 0.12 | 0.15 | 0.34 | 0.36 |
|
Density | 1 | 1.03 | 0.98 | 1.33 | 4.35 | 7.77 | 4.3 | 3.13 |
|
Distance | 0.05 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 | 0 |
|
Temperature | 1.23 | 0.74 | 1.89 | 2.61 | 3.33 | 4.08 | 6.96 | 7.54 |
Habitability
Habitable zone of the star: 0.06 - 0.08 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.