Exoplanet

K2-178 b

Orbiting K2-178

Overview

K2-178 b is an exoplanet orbiting the star K2-178, discovered in 2018 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.56

Earth radii

015 R⊕

Mass (est.)

13.18

Earth masses

0500 M⊕

Orbital Period

8.7

days

0.1d10,000d

Distance

214.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

3.56

Mass (Earth masses)

13.18

Estimated

Equilibrium Temperature

Unknown

Parameter source: Mayo et al. 2018

Orbital Period

8.748+0.000−0.000days

Distance from Earth

214.8 pc (~700 ly)

Spectral Type

Unknown

Temperature

5525 K

Mass (Solar)

0.95 M☉

Radius (Solar)

0.89 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

52.8889°, 22.4348°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: K2-178 b

System Context

K2-178 b orbits K2-178 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 3.56 Earth radii, a mass of 13.18 Earth masses (estimated), and an orbital period of 8.75 days.

Catalog data places the system at about 214.8 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 K2-178