Exoplanet

TOI-1105 b

Orbiting TOI-1105

Overview

TOI-1105 b is an exoplanet orbiting the star TOI-1105, discovered in 2026 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.06

Earth radii

015 R⊕

Mass (est.)

10.19

Earth masses

0500 M⊕

Orbital Period

10.9

days

0.1d10,000d

Distance

79.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

3.06

Mass (Earth masses)

10.19

Estimated

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

10.868+0.000−0.000days

Distance from Earth

79.5 pc (~259 ly)

Spectral Type

Unknown

Temperature

4678 K

Mass (Solar)

Unknown

Radius (Solar)

0.76 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

146.0540°, -89.4715°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-1105 b

System Context

TOI-1105 b orbits TOI-1105 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 3.06 Earth radii, a mass of 10.19 Earth masses (estimated), and an orbital period of 10.87 days.

Catalog data places the system at about 79.5 parsecs from Earth 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-1105
TOI-1105 b