Exoplanet

K2-237 b

Orbiting K2-237

Overview

K2-237 b is an exoplanet orbiting the star K2-237, discovered in 2018 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

16.06

Earth radii

015 R⊕

Mass

434.15

Earth masses

0500 M⊕

Orbital Period

2.2

days

0.1d10,000d

Distance

315.0

parsecs

Nearby10,000 pc

Equilibrium Temp

1759

K

150 K3,500 K

Radius (Earth radii)

16.06

Mass (Earth masses)

434.15

Measured

Equilibrium Temperature

1759 K

Parameter source: Thygesen et al. 2023

Orbital Period

2.181+0.0000.000days

Semi-Major Axis

0.0355+0.00050.0006au

Planet Mass (Earth masses)

434.15+34.9629.24

Planet Mass (Jupiter masses)

1.3660+0.11000.0920

Eccentricity

0.0300+0.03300.0210

Argument of Periastron

73.0+57.058.0deg

Radial Velocity Semi-Amplitude

184.00+14.0011.00m/s

Distance from Earth

315.0 pc (~1027 ly)

Spectral Type

Unknown

Temperature

6180 K

Mass (Solar)

1.26 M☉

Radius (Solar)

1.24 R☉

Luminosity

0.30 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

253.7688°, -28.7106°

Discovery Method

Transit

Discovery Year

2018

Data Sources

Source ID: K2-237 b

System Context

K2-237 b orbits K2-237 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 16.06 Earth radii, a mass of 434.15 Earth masses, an orbital period of 2.18 days, and an equilibrium temperature near 1,759 K.

Catalog data places the system at about 315 parsecs from Earth and 1 known planet in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open K2-237