Exoplanet

WASP-155 b

Orbiting WASP-155

Overview

WASP-155 b is an exoplanet orbiting the star WASP-155, discovered in 2025 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

13.45

Earth radii

015 R⊕

Mass

276.83

Earth masses

0500 M⊕

Orbital Period

3.1

days

0.1d10,000d

Distance

399.6

parsecs

Nearby10,000 pc

Equilibrium Temp

1468

K

150 K3,500 K

Radius (Earth radii)

13.45

Mass (Earth masses)

276.83

Measured

Equilibrium Temperature

1468 K

Orbital Period

3.11 days

Distance from Earth

399.6 pc (~1303 ly)

Spectral Type

Unknown

Temperature

5660 K

Mass (Solar)

1.09 M☉

Radius (Solar)

1.24 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

347.9797°, 33.0476°

Discovery Method

Transit

Discovery Year

2025

Data Sources
NASA Exoplanet Archive

Source ID: WASP-155 b

System Context

WASP-155 b orbits WASP-155 and was reported in 2025 and was detected with the Transit method.

Published measurements list a radius of 13.45 Earth radii, a mass of 276.83 Earth masses, an orbital period of 3.11 days, and an equilibrium temperature near 1,468 K.

Catalog data places the system at about 399.6 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 WASP-155