Exoplanet

Kepler-38 b

Orbiting Kepler-38

Overview

Kepler-38 b is an exoplanet orbiting the star Kepler-38, discovered in 2012 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

4.30

Earth radii

015 R⊕

Mass

122.00

Earth masses

0500 M⊕

Orbital Period

105.6

days

0.1d10,000d

Distance

1174.6

parsecs

Nearby10,000 pc

Equilibrium Temp

475

K

150 K3,500 K

Radius (Earth radii)

4.30

Mass (Earth masses)

122.00

Measured

Equilibrium Temperature

475 K

Orbital Period

105.60 days

Distance from Earth

1174.6 pc (~3831 ly)

Spectral Type

G4 V

Temperature

5623 K

Mass (Solar)

0.94 M☉

Radius (Solar)

1.75 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

286.8303°, 42.2791°

Discovery Method

Transit

Discovery Year

2012

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-38 b

System Context

Kepler-38 b orbits Kepler-38 and was reported in 2012 and was detected with the Transit method.

Published measurements list a radius of 4.3 Earth radii, a mass of 122 Earth masses, an orbital period of 105.6 days, and an equilibrium temperature near 475 K.

Catalog data places the system at about 1,174.6 parsecs from Earth, a host star classified as G4 V, 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-38