Exoplanet

TOI-4156 c

Orbiting TOI-4156

Overview

TOI-4156 c is an exoplanet orbiting the star TOI-4156, discovered in 2026 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.92

Earth radii

015 R⊕

Mass (est.)

9.44

Earth masses

0500 M⊕

Orbital Period

12.8

days

0.1d10,000d

Distance

213.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.92

Mass (Earth masses)

9.44

Estimated

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

12.823+0.000−0.000days

Distance from Earth

213.7 pc (~697 ly)

Spectral Type

Unknown

Temperature

5972 K

Mass (Solar)

Unknown

Radius (Solar)

1.04 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

230.7808°, 76.3319°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-4156 c

System Context

TOI-4156 c orbits TOI-4156 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 2.92 Earth radii, a mass of 9.44 Earth masses (estimated), and an orbital period of 12.82 days.

Catalog data places the system at about 213.7 parsecs from Earth and 2 known planets in the system.

Host star

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

Open TOI-4156

More planets in this system

TOI-4156 b