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Exoplanet KELT-4 A b
Exoplanet KELT-4 A b orbits star KELT-4 A that lies 711 light years away from the Sun.
It weighs about 286.116 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
711 light years
711 light years
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KELT-4 A b
Exoplanet, gas giant
Star: KELT-4 A
Distance from the star: 0.04321 AU
Orbit around star: 2.989594 days
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Orbital period
Orbital period of exoplanet KELT-4 A b around its star is 2.989594 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: 0.03Basic characteristic
Mass: 286.116 M Earth
| 0.9003 M Jupiter
Exoplanet mass
Exoplanet KELT-4 A b has 286.116 Earth masses (or 0.9003 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: 19.055 R Earth | 1.7 R Jupiter
Density: 228 kg/m3 | 4.14 % Earth
Temperature: 1827 K | 1553.85 °C
Year of discovery: 2013 (radial velocity)
Other designations of this exoplanet
BD+26 2091 b, TOI-5384 b
BD+26 2091 b, TOI-5384 b
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KELT-4 system structure
Exoplanet KELT-4 A b orbits star KELT-4 A, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
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KELT-4 A | ||||||||
| KELT-4 A b | 0.04 AU | 286.1 M⊕ | 19.1 R⊕ | 3 days | |||||
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KELT-4 B | ||||||||
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KELT-4 C | ||||||||
Comparison
When comparing to the Solar system planets, KELT-4 A b has 90 % 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 | 5202.11 | 351.06 | 286.12 | 2601.05 | 0.9 | 3.01 | 19.6 | 16.63 |
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Size | 49.76 | 20.06 | 19.06 | 35.95 | 1.7 | 2.09 | 4.76 | 5.01 |
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Density | 0.04 | 0.04 | 0.04 | 0.06 | 0.18 | 0.33 | 0.18 | 0.13 |
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Distance | 0.11 | 0.06 | 0.04 | 0.03 | 0.01 | 0 | 0 | 0 |
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Temperature | 4.15 | 2.48 | 6.34 | 8.78 | 11.21 | 13.74 | 23.42 | 25.38 |
Habitability
Habitable zone of the star: 1.8 - 2.7 AU
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.