Exoplanet

TOI-791 c

Orbiting TOI-791

Overview

TOI-791 c is an exoplanet orbiting the star TOI-791, discovered in 2026 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

12.95

Earth radii

015 R⊕

Mass

18.60

Earth masses

0500 M⊕

Orbital Period

232.0

days

0.1d10,000d

Distance

341.2

parsecs

Nearby10,000 pc

Equilibrium Temp

363

K

150 K3,500 K

Radius (Earth radii)

12.95

Mass (Earth masses)

18.60

Measured

Equilibrium Temperature

363 K

Parameter source: Dransfield et al. 2026

Orbital Period

232.016+0.001−0.001days

Semi-Major Axis

0.8630+0.0320−0.0320au

Planet Mass (Earth masses)

18.60+2.24−2.09

Planet Mass (Jupiter masses)

0.0585+0.0070−0.0066

Eccentricity

0.0280+0.0130−0.0280

Distance from Earth

341.2 pc (~1113 ly)

Spectral Type

F7

Temperature

6294 K

Mass (Solar)

1.28 M☉

Radius (Solar)

1.47 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

118.4348°, -69.7017°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-791 c

System Context

TOI-791 c orbits TOI-791 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 12.95 Earth radii, a mass of 18.6 Earth masses, an orbital period of 232.02 days, and an equilibrium temperature near 363 K.

Catalog data places the system at about 341.2 parsecs from Earth, a host star classified as F7, and 2 known planets in the system.

More planets in this system

TOI-791 b