Exoplanet

WASP-144 b

Orbiting WASP-144

Overview

WASP-144 b is an exoplanet orbiting the star WASP-144, discovered in 2018 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

9.53

Earth radii

015 R⊕

Mass

139.85

Earth masses

0500 M⊕

Orbital Period

2.3

days

0.1d10,000d

Distance

355.5

parsecs

Nearby10,000 pc

Equilibrium Temp

1260

K

150 K3,500 K

Radius (Earth radii)

9.53

Mass (Earth masses)

139.85

Measured

Equilibrium Temperature

1260 K

Parameter source: Hellier et al. 2019

Orbital Period

2.278+0.000−0.000days

Semi-Major Axis

0.0316+0.0005−0.0005au

Planet Mass (Earth masses)

139.85+19.07−19.07

Planet Mass (Jupiter masses)

0.4400+0.0600−0.0600

Eccentricity

0.0000

Radial Velocity Semi-Amplitude

78.00+11.00−11.00m/s

Distance from Earth

355.5 pc (~1160 ly)

Spectral Type

K2 V

Temperature

5200 K

Mass (Solar)

0.81 M☉

Radius (Solar)

0.81 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

320.7629°, -40.0484°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: WASP-144 b

System Context

WASP-144 b orbits WASP-144 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 9.53 Earth radii, a mass of 139.85 Earth masses, an orbital period of 2.28 days, and an equilibrium temperature near 1,260 K.

Catalog data places the system at about 355.5 parsecs from Earth, a host star classified as K2 V, 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 WASP-144