Exoplanet HATS-31 b

Exoplanet HATS-31 b orbits star HATS-31 that lies 2845 light years away from the Sun. It weighs about 279.757 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
2845 light years
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iconHATS-31 b

Exoplanet, gas giant
Star: HATS-31
icon distanceDistance from the star: 0.048 AU
icon time Orbit around star: 3.378 days +
Orbital period
Orbital period of exoplanet HATS-31 b around its star is 3.378 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... icon More about Orbital period in StellarGuide
icon timeEccentricity: 0.233

Basic characteristic

icon weight
Mass: 279.757 M Earth
| 0.8803 M Jupiter
+
Exoplanet mass
Exoplanet HATS-31 b has 279.757 Earth masses (or 0.8803 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... icon More about Exoplanet mass in StellarGuide
icon radiusSize: 18.383 R Earth | 1.6 R Jupiter
icon densityDensity: 248 kg/m3 | 4.50 % Earth
icon temperatureTemperature: 1823 K | 1549.85 °C
icon discoveryYear of discovery: 2016
Other designations of this exoplanet
Gaia DR3 3498553232585634816 b
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HATS-31 system structure

Exoplanet HATS-31 b orbits star HATS-31, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
HATS-31
HATS-31 b 0.05 AU 279.8 M⊕ 18.4 R⊕ 3.4 days

Comparison

When comparing to the Solar system planets, HATS-31 b has 88 % of mass of Jupiter and it orbits its star closer than Mercury orbits the Sun.
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
icon mass Mass 5086.49343.26279.762543.250.882.9419.1616.26
icon size Size48.0119.3518.3834.681.642.024.64.84
icon density Density0.050.050.040.060.20.360.20.14
icon distance Distance0.120.070.050.030.010.0100
icon temp Temperature4.142.476.338.7611.1813.7123.3725.32

Habitability

Habitable zone of the star: 1.8 - 2.5 AU
check icon
The planet orbits too close to its star and is exposed to extreme temperatures and radiation prohibiting life as we know it.

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