Exoplanet

WASP-197 b

Orbiting WASP-197

Overview

WASP-197 b is an exoplanet orbiting the star WASP-197, discovered in 2025 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

14.45

Earth radii

015 R⊕

Mass

403.32

Earth masses

0500 M⊕

Orbital Period

5.2

days

0.1d10,000d

Distance

483.7

parsecs

Nearby10,000 pc

Equilibrium Temp

1665

K

150 K3,500 K

Radius (Earth radii)

14.45

Mass (Earth masses)

403.32

Measured

Equilibrium Temperature

1665 K

Orbital Period

5.17 days

Distance from Earth

483.7 pc (~1578 ly)

Spectral Type

Unknown

Temperature

6050 K

Mass (Solar)

1.36 M☉

Radius (Solar)

2.11 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

160.6307°, 28.1986°

Discovery Method

Transit

Discovery Year

2025

Data Sources
NASA Exoplanet Archive

Source ID: WASP-197 b

System Context

WASP-197 b orbits WASP-197 and was reported in 2025 and was detected with the Transit method.

Published measurements list a radius of 14.45 Earth radii, a mass of 403.32 Earth masses, an orbital period of 5.17 days, and an equilibrium temperature near 1,665 K.

Catalog data places the system at about 483.7 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-197