Exoplanet

K2-221 b

Orbiting K2-221

Overview

K2-221 b is an exoplanet orbiting the star K2-221, discovered in 2018 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

1.68

Earth radii

015 R⊕

Mass (est.)

3.68

Earth masses

0500 M⊕

Orbital Period

2.4

days

0.1d10,000d

Distance

318.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

1.68

Mass (Earth masses)

3.68

Estimated

Equilibrium Temperature

Unknown

Parameter source: Mayo et al. 2018

Orbital Period

2.399+0.0000.000days

Distance from Earth

318.8 pc (~1040 ly)

Spectral Type

Unknown

Temperature

5716 K

Mass (Solar)

1.01 M☉

Radius (Solar)

0.95 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

16.6550°, 10.1897°

Discovery Method

Transit

Discovery Year

2018

Data Sources

Source ID: K2-221 b

System Context

K2-221 b orbits K2-221 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 1.68 Earth radii, a mass of 3.68 Earth masses (estimated), and an orbital period of 2.4 days.

Catalog data places the system at about 318.8 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 K2-221
K2-221 b