Exoplanet

Kepler-821 b

Orbiting Kepler-821

Overview

Kepler-821 b is an exoplanet orbiting the star Kepler-821, discovered in 2016 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.31

Earth radii

015 R⊕

Mass (est.)

2.42

Earth masses

0500 M⊕

Orbital Period

1.9

days

0.1d10,000d

Distance

614.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

1.31

Mass (Earth masses)

2.42

Estimated

Equilibrium Temperature

Unknown

Parameter source: Morton et al. 2016

Orbital Period

1.923+0.000−0.000days

Distance from Earth

614.6 pc (~2004 ly)

Spectral Type

Unknown

Temperature

5191 K

Mass (Solar)

0.84 M☉

Radius (Solar)

0.80 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

285.6174°, 39.3795°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: Kepler-821 b

System Context

Kepler-821 b orbits Kepler-821 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 1.31 Earth radii, a mass of 2.42 Earth masses (estimated), and an orbital period of 1.92 days.

Catalog data places the system at about 614.6 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 Kepler-821
Kepler-821 b