Exoplanet

K2-172 c

Orbiting K2-172

Overview

K2-172 c is an exoplanet orbiting the star K2-172, discovered in 2018 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.21

Earth radii

015 R⊕

Mass (est.)

11.04

Earth masses

0500 M⊕

Orbital Period

29.6

days

0.1d10,000d

Distance

249.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

3.21

Mass (Earth masses)

11.04

Estimated

Equilibrium Temperature

Unknown

Parameter source: Mayo et al. 2018

Orbital Period

29.627+0.002−0.002days

Distance from Earth

249.7 pc (~815 ly)

Spectral Type

Unknown

Temperature

5569 K

Mass (Solar)

0.93 M☉

Radius (Solar)

0.87 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

335.3081°, -12.5570°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: K2-172 c

System Context

K2-172 c orbits K2-172 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 3.21 Earth radii, a mass of 11.04 Earth masses (estimated), and an orbital period of 29.63 days.

Catalog data places the system at about 249.7 parsecs from Earth and 2 known planets in the system.

Host star

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

Open K2-172

More planets in this system

K2-172 b