Exoplanet

K2-389 c

Orbiting K2-389

Overview

K2-389 c is an exoplanet orbiting the star K2-389, discovered in 2022 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

2.04

Earth radii

015 R⊕

Mass (est.)

5.13

Earth masses

0500 M⊕

Orbital Period

20.9

days

0.1d10,000d

Distance

259.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.04

Mass (Earth masses)

5.13

Estimated

Equilibrium Temperature

Unknown

Parameter source: Christiansen et al. 2022

Orbital Period

20.851+0.003−0.003days

Distance from Earth

259.2 pc (~845 ly)

Spectral Type

Unknown

Temperature

5782 K

Mass (Solar)

0.80 M☉

Radius (Solar)

1.08 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

355.6304°, -9.7136°

Discovery Method

Transit

Discovery Year

2022

Data Sources
NASA Exoplanet Archive

Source ID: K2-389 c

System Context

K2-389 c orbits K2-389 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 2.04 Earth radii, a mass of 5.13 Earth masses (estimated), and an orbital period of 20.85 days.

Catalog data places the system at about 259.2 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 K2-389

More planets in this system

K2-389 b