Exoplanet

K2-273 b

Orbiting K2-273

Overview

K2-273 b is an exoplanet orbiting the star K2-273, discovered in 2018 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.05

Earth radii

015 R⊕

Mass (est.)

10.15

Earth masses

0500 M⊕

Orbital Period

11.7

days

0.1d10,000d

Distance

308.1

parsecs

Nearby10,000 pc

Equilibrium Temp

849

K

150 K3,500 K

Radius (Earth radii)

3.05

Mass (Earth masses)

10.15

Estimated

Equilibrium Temperature

849 K

Orbital Period

11.72 days

Distance from Earth

308.1 pc (~1005 ly)

Spectral Type

Unknown

Temperature

5161 K

Mass (Solar)

0.89 M☉

Radius (Solar)

0.85 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

129.7769°, 19.0100°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: K2-273 b

System Context

K2-273 b orbits K2-273 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 3.05 Earth radii, a mass of 10.15 Earth masses (estimated), an orbital period of 11.72 days, and an equilibrium temperature near 849 K.

Catalog data places the system at about 308.1 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 K2-273