Exoplanet

TOI-559 b

Orbiting TOI-559

Overview

TOI-559 b is an exoplanet orbiting the star TOI-559, discovered in 2021 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

12.23

Earth radii

015 R⊕

Mass

1910.15

Earth masses

0500 M⊕

Orbital Period

7.0

days

0.1d10,000d

Distance

233.3

parsecs

Nearby10,000 pc

Equilibrium Temp

1180

K

150 K3,500 K

Radius (Earth radii)

12.23

Mass (Earth masses)

1910.15

Measured

Equilibrium Temperature

1180 K

Parameter source: Ikwut-Ukwa et al. 2022

Orbital Period

6.984+0.000−0.000days

Semi-Major Axis

0.0723+0.0013−0.0013au

Planet Mass (Earth masses)

1910.15+76.28−73.10

Planet Mass (Jupiter masses)

6.0100+0.2400−0.2300

Eccentricity

0.1510+0.0120−0.0110

Argument of Periastron

-62.3+3.0−2.6deg

Radial Velocity Semi-Amplitude

633.00+7.90−8.40m/s

Distance from Earth

233.3 pc (~761 ly)

Spectral Type

G V

Temperature

5925 K

Mass (Solar)

1.03 M☉

Radius (Solar)

1.23 R☉

Luminosity

0.23 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

46.8186°, -31.1630°

Discovery Method

Transit

Discovery Year

2021

Data Sources
NASA Exoplanet Archive

Source ID: TOI-559 b

System Context

TOI-559 b orbits TOI-559 and was reported in 2021 and was detected with the Transit method.

Published measurements list a radius of 12.23 Earth radii, a mass of 1,910.15 Earth masses, an orbital period of 6.98 days, and an equilibrium temperature near 1,180 K.

Catalog data places the system at about 233.3 parsecs from Earth, a host star classified as G 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 TOI-559