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Exoplanet HAT-P-26 b
Exoplanet HAT-P-26 b orbits star HAT-P-26 that lies 466 light years away from the Sun.
It weighs about 18.598 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
466 light years
466 light years
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HAT-P-26 b
Exoplanet
Star: HAT-P-26
Distance from the star: 0.0479 AU
Orbit around star: 4.234502 days
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Orbital period
Orbital period of exoplanet HAT-P-26 b around its star is 4.234502 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: 0.124Basic characteristic
Mass: 18.598 M Earth
Exoplanet mass
Exoplanet HAT-P-26 b has 18.598 Earth masses, or 1.08 times the mass of Neptune.
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: 6.389 R Earth | 0.6 R Jupiter
Density: 393 kg/m3 | 7.13 % Earth
Temperature: 590 K | 316.85 °C
Year of discovery: 2010 (transit)
Other designations of this exoplanet
GSC 0320-01027 b, TYC 320-1027-1 b, 2MASS J14123753+0403359 b, TIC 420779000 b, WISEA J141237.55+040334.5 b, SPOCS 2106 b
GSC 0320-01027 b, TYC 320-1027-1 b, 2MASS J14123753+0403359 b, TIC 420779000 b, WISEA J141237.55+040334.5 b, SPOCS 2106 b
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HAT-P-26 system structure
Exoplanet HAT-P-26 b orbits star HAT-P-26, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
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HAT-P-26 | ||||||||
| HAT-P-26 c unconfirmed |
n/a | 2 R⊕ | 6.6 days | ||||||
| HAT-P-26 b | 0.05 AU | 18.6 M⊕ | 6.4 R⊕ | 4.2 days | |||||
Comparison
When comparing to the Solar system planets, HAT-P-26 b has 1.08 times the mass of Neptune and it orbits its star closer than Mercury orbits the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 338.15 | 22.82 | 18.6 | 169.07 | 0.06 | 0.2 | 1.27 | 1.08 |
|
Size | 16.69 | 6.73 | 6.39 | 12.05 | 0.57 | 0.7 | 1.6 | 1.68 |
|
Density | 0.07 | 0.07 | 0.07 | 0.1 | 0.32 | 0.56 | 0.31 | 0.23 |
|
Distance | 0.12 | 0.07 | 0.05 | 0.03 | 0.01 | 0.01 | 0 | 0 |
|
Temperature | 1.34 | 0.8 | 2.05 | 2.84 | 3.62 | 4.44 | 7.56 | 8.19 |
Habitability
Habitable zone of the star: 0.53 - 0.77 AU
The planet is too hot to sustain liquid water.