Exoplanet

K2-404 b

Orbiting K2-404

Overview

K2-404 b is an exoplanet orbiting the star K2-404, discovered in 2022 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.53

Earth radii

015 R⊕

Mass (est.)

7.39

Earth masses

0500 M⊕

Orbital Period

13.1

days

0.1d10,000d

Distance

121.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.53

Mass (Earth masses)

7.39

Estimated

Equilibrium Temperature

Unknown

Parameter source: Christiansen et al. 2022

Orbital Period

13.115+0.000−0.001days

Distance from Earth

121.6 pc (~397 ly)

Spectral Type

Unknown

Temperature

3748 K

Mass (Solar)

0.55 M☉

Radius (Solar)

0.55 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

160.3250°, 12.1911°

Discovery Method

Transit

Discovery Year

2022

Data Sources
NASA Exoplanet Archive

Source ID: K2-404 b

System Context

K2-404 b orbits K2-404 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 2.53 Earth radii, a mass of 7.39 Earth masses (estimated), and an orbital period of 13.12 days.

Catalog data places the system at about 121.6 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 K2-404