Exoplanet

Kepler-258 b

Orbiting Kepler-258

Overview

Kepler-258 b is an exoplanet orbiting the star Kepler-258, discovered in 2014 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

4.06

Earth radii

015 R⊕

Mass (est.)

16.49

Earth masses

0500 M⊕

Orbital Period

13.2

days

0.1d10,000d

Distance

576.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

4.06

Mass (Earth masses)

16.49

Estimated

Equilibrium Temperature

Unknown

Parameter source: Rowe et al. 2014

Orbital Period

13.197+0.000−0.000days

Semi-Major Axis

0.1030au

Distance from Earth

576.0 pc (~1879 ly)

Spectral Type

Unknown

Temperature

4942 K

Mass (Solar)

Unknown

Radius (Solar)

0.92 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

294.0684°, 46.5791°

Discovery Method

Transit

Discovery Year

2014

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-258 b

System Context

Kepler-258 b orbits Kepler-258 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 4.06 Earth radii, a mass of 16.49 Earth masses (estimated), and an orbital period of 13.2 days.

Catalog data places the system at about 576 parsecs from Earth 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-258

More planets in this system

Kepler-258 c
Kepler-258 b