Exoplanet

Kepler-221 b

Orbiting Kepler-221

Overview

Kepler-221 b is an exoplanet orbiting the star Kepler-221, discovered in 2014 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

1.71

Earth radii

015 R⊕

Mass (est.)

3.80

Earth masses

0500 M⊕

Orbital Period

2.8

days

0.1d10,000d

Distance

385.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

1.71

Mass (Earth masses)

3.80

Estimated

Equilibrium Temperature

Unknown

Parameter source: Rowe et al. 2014

Orbital Period

2.796+0.0000.000days

Semi-Major Axis

0.0370au

Distance from Earth

385.2 pc (~1256 ly)

Spectral Type

Unknown

Temperature

5243 K

Mass (Solar)

Unknown

Radius (Solar)

0.82 R☉

Luminosity

Unknown

Planets in System

4

Stars in System

1

Coordinates (RA, Dec)

296.6547°, 46.8352°

Discovery Method

Transit

Discovery Year

2014

Data Sources

Source ID: Kepler-221 b

System Context

Kepler-221 b orbits Kepler-221 and was reported in 2014 and was detected with the Transit method.

Published measurements list a radius of 1.71 Earth radii, a mass of 3.8 Earth masses (estimated), and an orbital period of 2.8 days.

Catalog data places the system at about 385.2 parsecs from Earth and 4 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open Kepler-221

More planets in this system