Exoplanet

Kepler-222 b

Orbiting Kepler-222

Overview

Kepler-222 b is an exoplanet orbiting the star Kepler-222, discovered in 2014 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.16

Earth radii

015 R⊕

Mass (est.)

10.78

Earth masses

0500 M⊕

Orbital Period

3.9

days

0.1d10,000d

Distance

758.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

3.16

Mass (Earth masses)

10.78

Estimated

Equilibrium Temperature

Unknown

Parameter source: Rowe et al. 2014

Orbital Period

3.937+0.0000.000days

Semi-Major Axis

0.0480au

Distance from Earth

758.9 pc (~2475 ly)

Spectral Type

Unknown

Temperature

5433 K

Mass (Solar)

Unknown

Radius (Solar)

0.87 R☉

Luminosity

Unknown

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

287.9061°, 46.9377°

Discovery Method

Transit

Discovery Year

2014

Data Sources

Source ID: Kepler-222 b

System Context

Kepler-222 b orbits Kepler-222 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 3.16 Earth radii, a mass of 10.78 Earth masses (estimated), and an orbital period of 3.94 days.

Catalog data places the system at about 758.9 parsecs from Earth 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 Kepler-222

More planets in this system