Exoplanet

K2-288 B b

Orbiting K2-288 B

Overview

K2-288 B b is an exoplanet orbiting the star K2-288 B, discovered in 2018 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

1.90

Earth radii

015 R⊕

Mass (est.)

4.54

Earth masses

0500 M⊕

Orbital Period

31.4

days

0.1d10,000d

Distance

65.6

parsecs

Nearby10,000 pc

Equilibrium Temp

226

K

150 K3,500 K

Radius (Earth radii)

1.90

Mass (Earth masses)

4.54

Estimated

Equilibrium Temperature

226 K

Orbital Period

31.39 days

Distance from Earth

65.6 pc (~214 ly)

Spectral Type

M3 V

Temperature

3341 K

Mass (Solar)

0.33 M☉

Radius (Solar)

0.32 R☉

Luminosity

-1.93 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

55.4443°, 18.2685°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: K2-288 B b

System Context

K2-288 B b orbits K2-288 B and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 1.9 Earth radii, a mass of 4.54 Earth masses (estimated), an orbital period of 31.39 days, and an equilibrium temperature near 226 K.

Catalog data places the system at about 65.6 parsecs from Earth, a host star classified as M3 V, 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 K2-288 B