Exoplanet

TOI-209 b

Orbiting TOI-209

Overview

TOI-209 b is an exoplanet orbiting the star TOI-209, discovered in 2026 using the Transit method. It is a Super-Earth world.

Key Measurements

Radius

2.39

Earth radii

015 R⊕

Mass (est.)

6.73

Earth masses

0500 M⊕

Orbital Period

4.4

days

0.1d10,000d

Distance

113.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.39

Mass (Earth masses)

6.73

Estimated

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

4.379+0.000−0.000days

Distance from Earth

113.4 pc (~370 ly)

Spectral Type

Unknown

Temperature

4807 K

Mass (Solar)

Unknown

Radius (Solar)

0.74 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

19.3942°, -66.9031°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-209 b

System Context

TOI-209 b orbits TOI-209 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 2.39 Earth radii, a mass of 6.73 Earth masses (estimated), and an orbital period of 4.38 days.

Catalog data places the system at about 113.4 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-209