Exoplanet

K2-54 b

Orbiting K2-54

Overview

K2-54 b is an exoplanet orbiting the star K2-54, discovered in 2016 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.61

Earth radii

015 R⊕

Mass (est.)

7.80

Earth masses

0500 M⊕

Orbital Period

9.8

days

0.1d10,000d

Distance

175.0

parsecs

Nearby10,000 pc

Equilibrium Temp

560

K

150 K3,500 K

Radius (Earth radii)

2.61

Mass (Earth masses)

7.80

Estimated

Equilibrium Temperature

560 K

Orbital Period

9.78 days

Distance from Earth

175.0 pc (~571 ly)

Spectral Type

Unknown

Temperature

3990 K

Mass (Solar)

0.61 M☉

Radius (Solar)

0.64 R☉

Luminosity

-1.02 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

338.0542°, -17.5441°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: K2-54 b

System Context

K2-54 b orbits K2-54 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 2.61 Earth radii, a mass of 7.8 Earth masses (estimated), an orbital period of 9.78 days, and an equilibrium temperature near 560 K.

Catalog data places the system at about 175 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 K2-54