Exoplanet

TOI-178 g

Orbiting TOI-178

Overview

TOI-178 g is an exoplanet orbiting the star TOI-178, discovered in 2021 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.94

Earth radii

015 R⊕

Mass

4.40

Earth masses

0500 M⊕

Orbital Period

20.7

days

0.1d10,000d

Distance

62.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.94

Mass (Earth masses)

4.40

Measured

Equilibrium Temperature

Unknown

Parameter source: Leleu et al. 2024

Orbital Period

20.717+0.0000.000days

Planet Mass (Earth masses)

4.40+0.390.37

Planet Mass (Jupiter masses)

0.0138+0.00120.0012

Eccentricity

0.0004+0.00060.0003

Argument of Periastron

-44.0+120.063.0deg

Distance from Earth

62.7 pc (~204 ly)

Spectral Type

Unknown

Temperature

4316 K

Mass (Solar)

0.65 M☉

Radius (Solar)

0.66 R☉

Luminosity

-0.87 log L☉

Planets in System

6

Stars in System

1

Coordinates (RA, Dec)

7.3020°, -30.4541°

Discovery Method

Transit

Discovery Year

2021

Data Sources

Source ID: TOI-178 g

System Context

TOI-178 g orbits TOI-178 and was reported in 2021 and was detected with the Transit method.

Published measurements list a radius of 2.94 Earth radii, a mass of 4.4 Earth masses, and an orbital period of 20.72 days.

Catalog data places the system at about 62.7 parsecs from Earth and 6 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open TOI-178