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Exoplanet FN Boötes A b
Exoplanet FN Boötes A b orbits star FN Boötes A that lies 106 light years away from the Sun.
It weighs about 2.511 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
106 light years
106 light years
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FN Boötes A b
Exoplanet, rocky planet
Star: FN Boötes A
Distance from the star: 0.0212 AU
Orbit around star: 1.452053 days
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Orbital period
Orbital period of exoplanet FN Boötes A b around its star is 1.452053 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: 2.511 M Earth
Exoplanet mass
Exoplanet FN Boötes A b has 2.511 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: 1.2 R Earth | 0.1 R Jupiter
Density: 8012 kg/m3 | 145.33 % Earth
Temperature: 1136 K | 862.85 °C
Year of discovery: 2022 (transit)
Other designations of this exoplanet
HIP 7642 b, GJ 9522A b, Gliese 9522 b, TOI 1411 b, BD+47 2239 A b, TIC 116483514 b, TYC 3483-769-1 b, WISEA J153146.98+470321.5 b, G 201-51 b, 2MASS J15314678+4703251 b
HIP 7642 b, GJ 9522A b, Gliese 9522 b, TOI 1411 b, BD+47 2239 A b, TIC 116483514 b, TYC 3483-769-1 b, WISEA J153146.98+470321.5 b, G 201-51 b, 2MASS J15314678+4703251 b
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FN Boötes system structure
Exoplanet FN Boötes A b orbits star FN Boötes A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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FN Boötes A | ||||||||
| FN Boötes A b | 0.02 AU | 2.5 M⊕ | 1.2 R⊕ | 1.5 days | |||||
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FN Boötes B | ||||||||
Comparison
When comparing to the Solar system planets, FN Boötes A 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 | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 45.65 | 3.08 | 2.51 | 22.83 | 0.01 | 0.03 | 0.17 | 0.15 |
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Size | 3.13 | 1.26 | 1.2 | 2.26 | 0.11 | 0.13 | 0.3 | 0.32 |
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Density | 1.48 | 1.53 | 1.45 | 1.97 | 6.44 | 11.5 | 6.37 | 4.64 |
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Distance | 0.05 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 | 0 |
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Temperature | 2.58 | 1.54 | 3.94 | 5.46 | 6.97 | 8.54 | 14.56 | 15.78 |
Habitability
Habitable zone of the star: 0.39 - 0.57 AU
The planet is too hot to sustain liquid water.
The planet has mass comparable to Earth.