Exoplanet

K2-89 b

Orbiting K2-89

Overview

K2-89 b is an exoplanet orbiting the star K2-89, discovered in 2016 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

0.61

Earth radii

015 R⊕

Mass (est.)

0.17

Earth masses

0500 M⊕

Orbital Period

1.1

days

0.1d10,000d

Distance

86.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

0.61

Mass (Earth masses)

0.17

Estimated

Equilibrium Temperature

Unknown

Parameter source: Crossfield et al. 2016

Orbital Period

1.096+0.0000.000days

Semi-Major Axis

0.0146+0.00050.0005au

Distance from Earth

86.0 pc (~281 ly)

Spectral Type

Unknown

Temperature

3691 K

Mass (Solar)

0.35 M☉

Radius (Solar)

0.32 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

57.0671°, 20.4595°

Discovery Method

Transit

Discovery Year

2016

Data Sources

Source ID: K2-89 b

System Context

K2-89 b orbits K2-89 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 0.62 Earth radii, a mass of 0.17 Earth masses (estimated), and an orbital period of 1.1 days.

Catalog data places the system at about 86 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 K2-89