Exoplanet

Kepler-442 b

Orbiting Kepler-442

Overview

Kepler-442 b is an exoplanet orbiting the star Kepler-442, discovered in 2015 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.34

Earth radii

015 R⊕

Mass (est.)

2.51

Earth masses

0500 M⊕

Orbital Period

112.3

days

0.1d10,000d

Distance

366.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

1.34

Mass (Earth masses)

2.51

Estimated

Equilibrium Temperature

Unknown

Parameter source: Torres et al. 2015

Orbital Period

112.305+0.002−0.003days

Semi-Major Axis

0.4090+0.2090−0.0600au

Eccentricity

>0.04

Distance from Earth

366.0 pc (~1194 ly)

Spectral Type

Unknown

Temperature

4402 K

Mass (Solar)

0.61 M☉

Radius (Solar)

0.60 R☉

Luminosity

-0.93 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

285.3666°, 39.2801°

Discovery Method

Transit

Discovery Year

2015

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-442 b

System Context

Kepler-442 b orbits Kepler-442 and was reported in 2015 and was detected with the Transit method.

Published measurements list a radius of 1.34 Earth radii, a mass of 2.51 Earth masses (estimated), and an orbital period of 112.31 days.

Catalog data places the system at about 366 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 Kepler-442