Exoplanet

Kepler-278 b

Orbiting Kepler-278

Overview

Kepler-278 b is an exoplanet orbiting the star Kepler-278, discovered in 2014 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.96

Earth radii

015 R⊕

Mass

56.00

Earth masses

0500 M⊕

Orbital Period

30.2

days

0.1d10,000d

Distance

443.0

parsecs

Nearby10,000 pc

Equilibrium Temp

586

K

150 K3,500 K

Radius (Earth radii)

3.96

Mass (Earth masses)

56.00

Measured

Equilibrium Temperature

586 K

Orbital Period

30.16 days

Distance from Earth

443.0 pc (~1445 ly)

Spectral Type

K2 III-IV

Temperature

4965 K

Mass (Solar)

1.23 M☉

Radius (Solar)

2.86 R☉

Luminosity

0.65 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

290.1072°, 38.7023°

Discovery Method

Transit

Discovery Year

2014

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-278 b

System Context

Kepler-278 b orbits Kepler-278 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 3.96 Earth radii, a mass of 56 Earth masses, an orbital period of 30.16 days, and an equilibrium temperature near 586 K.

Catalog data places the system at about 443 parsecs from Earth, a host star classified as K2 III-IV, and 2 known planets in the system.

Host star

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

Open Kepler-278

More planets in this system

Kepler-278 c