Exoplanet

K2-233 c

Orbiting K2-233

Overview

K2-233 c is an exoplanet orbiting the star K2-233, discovered in 2018 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.27

Earth radii

015 R⊕

Mass

4.60

Earth masses

0500 M⊕

Orbital Period

7.1

days

0.1d10,000d

Distance

67.5

parsecs

Nearby10,000 pc

Equilibrium Temp

794

K

150 K3,500 K

Radius (Earth radii)

1.27

Mass (Earth masses)

4.60

Measured

Equilibrium Temperature

794 K

Parameter source: Barragán et al. 2023

Orbital Period

7.060+0.0000.000days

Semi-Major Axis

0.0664+0.00130.0013au

Planet Mass (Earth masses)

4.60+1.801.70

Planet Mass (Jupiter masses)

0.0145+0.00570.0053

Eccentricity

0.0000

Epoch of Periastron

2457586.86+0.030.03days(BJD-TDB)

Argument of Periastron

90.0deg

Radial Velocity Semi-Amplitude

1.81+0.710.67m/s

Distance from Earth

67.5 pc (~220 ly)

Spectral Type

K3

Temperature

4796 K

Mass (Solar)

0.79 M☉

Radius (Solar)

0.71 R☉

Luminosity

Unknown

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

230.4799°, -20.2318°

Discovery Method

Transit

Discovery Year

2018

Data Sources

Source ID: K2-233 c

System Context

K2-233 c orbits K2-233 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 1.27 Earth radii, a mass of 4.6 Earth masses, an orbital period of 7.06 days, and an equilibrium temperature near 794 K.

Catalog data places the system at about 67.5 parsecs from Earth, a host star classified as K3, and 3 known planets in the system.

Host star

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

Open K2-233

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