Exoplanet

K2-280 b

Orbiting K2-280

Overview

K2-280 b is an exoplanet orbiting the star K2-280, discovered in 2018 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

7.50

Earth radii

015 R⊕

Mass

37.10

Earth masses

0500 M⊕

Orbital Period

19.9

days

0.1d10,000d

Distance

391.5

parsecs

Nearby10,000 pc

Equilibrium Temp

787

K

150 K3,500 K

Radius (Earth radii)

7.50

Mass (Earth masses)

37.10

Measured

Equilibrium Temperature

787 K

Orbital Period

19.90 days

Distance from Earth

391.5 pc (~1277 ly)

Spectral Type

Unknown

Temperature

5500 K

Mass (Solar)

1.03 M☉

Radius (Solar)

1.28 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

291.5954°, -22.2477°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: K2-280 b

System Context

K2-280 b orbits K2-280 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 7.5 Earth radii, a mass of 37.1 Earth masses, an orbital period of 19.9 days, and an equilibrium temperature near 787 K.

Catalog data places the system at about 391.5 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 K2-280