Exoplanet

TOI-858 B b

Orbiting TOI-858 B

Overview

TOI-858 B b is an exoplanet orbiting the star TOI-858 B, discovered in 2023 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

14.07

Earth radii

015 R⊕

Mass

349.61

Earth masses

0500 M⊕

Orbital Period

3.3

days

0.1d10,000d

Distance

250.5

parsecs

Nearby10,000 pc

Equilibrium Temp

1529

K

150 K3,500 K

Radius (Earth radii)

14.07

Mass (Earth masses)

349.61

Measured

Equilibrium Temperature

1529 K

Orbital Period

3.28 days

Distance from Earth

250.5 pc (~817 ly)

Spectral Type

G0

Temperature

5842 K

Mass (Solar)

1.08 M☉

Radius (Solar)

1.31 R☉

Luminosity

0.25 log L☉

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

60.1998°, -54.5929°

Discovery Method

Transit

Discovery Year

2023

Data Sources
NASA Exoplanet Archive

Source ID: TOI-858 B b

System Context

TOI-858 B b orbits TOI-858 B and was reported in 2023 and was detected with the Transit method.

Published measurements list a radius of 14.07 Earth radii, a mass of 349.61 Earth masses, an orbital period of 3.28 days, and an equilibrium temperature near 1,529 K.

Catalog data places the system at about 250.5 parsecs from Earth, a host star classified as G0, 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-858 B