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Exoplanet KELT 23 A b
Exoplanet KELT 23 A b orbits star KELT 23 A that lies 414 light years away from the Sun.
It weighs about 298.197 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
414 light years
414 light years
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KELT 23 A b
Exoplanet, gas giant
Star: KELT 23 A
Distance from the star: 0.03302 AU
Orbit around star: 2.255287 days
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Orbital period
Orbital period of exoplanet KELT 23 A b around its star is 2.255287 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: 0.05Basic characteristic
Mass: 298.197 M Earth
| 0.9383 M Jupiter
Exoplanet mass
Exoplanet KELT 23 A b has 298.197 Earth masses (or 0.9383 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: 14.829 R Earth | 1.3 R Jupiter
Density: 504 kg/m3 | 9.14 % Earth
Temperature: 1561 K | 1287.85 °C
Year of discovery: 2019 (transit)
Other designations of this exoplanet
BD+66 911 b, TOI-1165 b
BD+66 911 b, TOI-1165 b
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KELT 23 system structure
Exoplanet KELT 23 A b orbits star KELT 23 A, which has lower mass than Sun. It is the only known exoplanet orbiting this star
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KELT 23 A | ||||||||
| KELT 23 A b | 0.03 AU | 298.2 M⊕ | 14.8 R⊕ | 2.3 days | |||||
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KELT 23 B | ||||||||
Comparison
When comparing to the Solar system planets, KELT 23 A b has 94 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
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Mass | 5421.76 | 365.89 | 298.2 | 2710.88 | 0.94 | 3.13 | 20.42 | 17.34 |
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Size | 38.73 | 15.61 | 14.83 | 27.98 | 1.32 | 1.63 | 3.71 | 3.9 |
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Density | 0.09 | 0.1 | 0.09 | 0.12 | 0.41 | 0.72 | 0.4 | 0.29 |
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Distance | 0.08 | 0.05 | 0.03 | 0.02 | 0.01 | 0 | 0 | 0 |
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Temperature | 3.55 | 2.12 | 5.42 | 7.5 | 9.58 | 11.74 | 20.01 | 21.68 |
Habitability
Habitable zone of the star: 1.1 - 1.5 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.