Exoplanet

K2-390 b

Orbiting K2-390

Overview

K2-390 b is an exoplanet orbiting the star K2-390, discovered in 2022 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

4.66

Earth radii

015 R⊕

Mass (est.)

20.86

Earth masses

0500 M⊕

Orbital Period

3.3

days

0.1d10,000d

Distance

456.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

4.66

Mass (Earth masses)

20.86

Estimated

Equilibrium Temperature

Unknown

Parameter source: Christiansen et al. 2022

Orbital Period

3.313+0.0000.000days

Distance from Earth

456.1 pc (~1488 ly)

Spectral Type

Unknown

Temperature

5558 K

Mass (Solar)

0.79 M☉

Radius (Solar)

0.97 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

355.7024°, -9.5887°

Discovery Method

Transit

Discovery Year

2022

Data Sources

Source ID: K2-390 b

System Context

K2-390 b orbits K2-390 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 4.66 Earth radii, a mass of 20.86 Earth masses (estimated), and an orbital period of 3.31 days.

Catalog data places the system at about 456.1 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 K2-390