Exoplanet HD 15337 b

Exoplanet HD 15337 b orbits star HD 15337 that lies 146 light years away from the Sun. It weighs about 6.519 Earth masses and orbits its star much closer than Earth orbits Sun.
Sun distance
146 light years
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iconHD 15337 b

Exoplanet, super-earth
Star: HD 15337
icon distanceDistance from the star: 0.05245 AU
icon time Orbit around star: 4.755980 days +
Orbital period
Orbital period of exoplanet HD 15337 b around its star is 4.755980 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: 0.058

Basic characteristic

icon weight
Mass: 6.519 M Earth
+
Exoplanet mass
Exoplanet HD 15337 b has 6.519 Earth masses, or 0.45 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... icon More about Exoplanet mass in StellarGuide
icon radiusSize: 1.77 R Earth | 0.2 R Jupiter
icon densityDensity: 6482 kg/m3 | 117.58 % Earth
icon temperatureTemperature: 3109 K | 2835.85 °C
icon discoveryYear of discovery: 2019 (transit)
Other designations of this exoplanet
TIC 120896927 b, TOI-402 b
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HD 15337 system structure

Exoplanet HD 15337 b orbits star HD 15337, which has lower mass than Sun. It is one of 2 known exoplanets orbiting this star.
HD 15337
HD 15337 b 0.05 AU 6.5 M⊕ 1.8 R⊕ 4.8 days
HD 15337 c 0.12 AU 6.8 M⊕ 2.5 R⊕ 17.2 days

Comparison

When comparing to the Solar system planets, HD 15337 b has 45 % of mass of Uranus and it orbits its star closer than Mercury orbits the Sun.
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
icon mass Mass 118.5386.5259.260.020.070.450.38
icon size Size4.621.861.773.340.160.190.440.47
icon density Density1.21.241.181.595.219.315.153.75
icon distance Distance0.130.070.050.030.010.0100
icon temp Temperature7.074.2210.814.9519.0723.3839.8643.18

Habitability

Habitable zone of the star: 0.52 - 0.75 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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