Exoplanet

K2-91 b

Orbiting K2-91

Overview

K2-91 b is an exoplanet orbiting the star K2-91, discovered in 2016 using the Transit method. It is a Earth-sized world.

Key Measurements

Radius

1.10

Earth radii

015 R⊕

Mass (est.)

1.37

Earth masses

0500 M⊕

Orbital Period

1.4

days

0.1d10,000d

Distance

62.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

1.10

Mass (Earth masses)

1.37

Estimated

Equilibrium Temperature

Unknown

Parameter source: Crossfield et al. 2016

Orbital Period

1.420+0.000−0.000days

Semi-Major Axis

0.0164+0.0011−0.0011au

Distance from Earth

62.6 pc (~204 ly)

Spectral Type

Unknown

Temperature

3622 K

Mass (Solar)

0.29 M☉

Radius (Solar)

0.28 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

63.2182°, 24.2047°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: K2-91 b

System Context

K2-91 b orbits K2-91 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 1.1 Earth radii, a mass of 1.37 Earth masses (estimated), and an orbital period of 1.42 days.

Catalog data places the system at about 62.6 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 K2-91