Exoplanet

K2-45 b

Orbiting K2-45

Overview

K2-45 b is an exoplanet orbiting the star K2-45, discovered in 2016 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

6.71

Earth radii

015 R⊕

Mass (est.)

38.70

Earth masses

0500 M⊕

Orbital Period

1.7

days

0.1d10,000d

Distance

495.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

6.71

Mass (Earth masses)

38.70

Estimated

Equilibrium Temperature

Unknown

Parameter source: Crossfield et al. 2016

Orbital Period

1.729+0.0000.000days

Semi-Major Axis

0.0224+0.00120.0012au

Distance from Earth

495.3 pc (~1616 ly)

Spectral Type

Unknown

Temperature

4103 K

Mass (Solar)

0.50 M☉

Radius (Solar)

0.45 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

169.6328°, -1.7741°

Discovery Method

Transit

Discovery Year

2016

Data Sources

Source ID: K2-45 b

System Context

K2-45 b orbits K2-45 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 6.71 Earth radii, a mass of 38.7 Earth masses (estimated), and an orbital period of 1.73 days.

Catalog data places the system at about 495.3 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 K2-45
K2-45 b