Exoplanet

TOI-1873 b

Orbiting TOI-1873

Overview

TOI-1873 b is an exoplanet orbiting the star TOI-1873, discovered in 2026 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.86

Earth radii

015 R⊕

Mass (est.)

9.12

Earth masses

0500 M⊕

Orbital Period

7.0

days

0.1d10,000d

Distance

182.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.86

Mass (Earth masses)

9.12

Estimated

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

7.006+0.000−0.000days

Distance from Earth

182.0 pc (~594 ly)

Spectral Type

Unknown

Temperature

5598 K

Mass (Solar)

Unknown

Radius (Solar)

0.97 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

212.5685°, 84.3719°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-1873 b

System Context

TOI-1873 b orbits TOI-1873 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 2.86 Earth radii, a mass of 9.12 Earth masses (estimated), and an orbital period of 7.01 days.

Catalog data places the system at about 182 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-1873
TOI-1873 b