Exoplanet

Wolf 503 b

Orbiting Wolf 503

Overview

Wolf 503 b is an exoplanet orbiting the star Wolf 503, discovered in 2018 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

2.04

Earth radii

015 R⊕

Mass

6.26

Earth masses

0500 M⊕

Orbital Period

6.0

days

0.1d10,000d

Distance

44.5

parsecs

Nearby10,000 pc

Equilibrium Temp

790

K

150 K3,500 K

Radius (Earth radii)

2.04

Mass (Earth masses)

6.26

Measured

Equilibrium Temperature

790 K

Parameter source: Polanski et al. 2021

Orbital Period

6.001+0.000−0.000days

Semi-Major Axis

0.0571+0.0006−0.0006au

Planet Mass (Earth masses)

6.26+0.69−0.70

Planet Mass (Jupiter masses)

0.0197+0.0022−0.0022

Eccentricity

0.4100+0.0500−0.0500

Argument of Periastron

112.0+10.0−10.0deg

Radial Velocity Semi-Amplitude

2.98+0.36−0.36m/s

Distance from Earth

44.5 pc (~145 ly)

Spectral Type

K3.5 V

Temperature

4716 K

Mass (Solar)

0.69 M☉

Radius (Solar)

0.69 R☉

Luminosity

-0.68 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

206.8462°, -6.1393°

Discovery Method

Transit

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: Wolf 503 b

System Context

Wolf 503 b orbits Wolf 503 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 2.04 Earth radii, a mass of 6.26 Earth masses, an orbital period of 6 days, and an equilibrium temperature near 790 K.

Catalog data places the system at about 44.5 parsecs from Earth, a host star classified as K3.5 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 Wolf 503