Exoplanet

K2-102 b

Orbiting K2-102

Overview

K2-102 b is an exoplanet orbiting the star K2-102, discovered in 2016 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.30

Earth radii

015 R⊕

Mass (est.)

2.39

Earth masses

0500 M⊕

Orbital Period

9.9

days

0.1d10,000d

Distance

188.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

1.30

Mass (Earth masses)

2.39

Estimated

Equilibrium Temperature

Unknown

Parameter source: Mann et al. 2017

Orbital Period

9.916+0.001−0.001days

Eccentricity

0.1000+0.1600−0.0700

Argument of Periastron

-1.0+136.0−132.0deg

Distance from Earth

188.2 pc (~614 ly)

Spectral Type

Unknown

Temperature

4695 K

Mass (Solar)

0.77 M☉

Radius (Solar)

0.71 R☉

Luminosity

-0.66 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

130.0559°, 19.7788°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: K2-102 b

System Context

K2-102 b orbits K2-102 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 1.3 Earth radii, a mass of 2.39 Earth masses (estimated), and an orbital period of 9.92 days.

Catalog data places the system at about 188.2 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 K2-102
K2-102 b