Exoplanet

WASP-156 b

Orbiting WASP-156

Overview

WASP-156 b is an exoplanet orbiting the star WASP-156, discovered in 2017 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

6.15

Earth radii

015 R⊕

Mass

42.00

Earth masses

0500 M⊕

Orbital Period

3.8

days

0.1d10,000d

Distance

122.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

6.15

Mass (Earth masses)

42.00

Measured

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

3.836+0.0000.000days

Semi-Major Axis

0.0460+0.00100.0010au

Planet Mass (Earth masses)

42.00+2.002.00

Planet Mass (Jupiter masses)

0.1321+0.00630.0063

Eccentricity

<0.16

Radial Velocity Semi-Amplitude

18.60+0.800.80m/s

Distance from Earth

122.1 pc (~398 ly)

Spectral Type

K3 V

Temperature

5036 K

Mass (Solar)

Unknown

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

32.7821°, 2.4182°

Discovery Method

Transit

Discovery Year

2017

Data Sources

Source ID: WASP-156 b

System Context

WASP-156 b orbits WASP-156 and was reported in 2017 and was detected with the Transit method.

Published measurements list a radius of 6.15 Earth radii, a mass of 42 Earth masses, and an orbital period of 3.84 days.

Catalog data places the system at about 122.1 parsecs from Earth, a host star classified as K3 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-156