Exoplanet

K2-171 b

Orbiting K2-171

Overview

K2-171 b is an exoplanet orbiting the star K2-171, discovered in 2018 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.69

Earth radii

015 R⊕

Mass (est.)

8.18

Earth masses

0500 M⊕

Orbital Period

5.6

days

0.1d10,000d

Distance

606.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.69

Mass (Earth masses)

8.18

Estimated

Equilibrium Temperature

Unknown

Parameter source: Mayo et al. 2018

Orbital Period

5.628+0.002−0.002days

Distance from Earth

606.1 pc (~1977 ly)

Spectral Type

Unknown

Temperature

5250 K

Mass (Solar)

0.89 M☉

Radius (Solar)

1.72 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

332.3408°, -13.4289°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: K2-171 b

System Context

K2-171 b orbits K2-171 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 2.69 Earth radii, a mass of 8.18 Earth masses (estimated), and an orbital period of 5.63 days.

Catalog data places the system at about 606.1 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 K2-171