Exoplanet

TOI-4504 b

Orbiting TOI-4504

Overview

TOI-4504 b is an exoplanet orbiting the star TOI-4504, discovered in 2024 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.65

Earth radii

015 R⊕

Mass

140.00

Earth masses

0500 M⊕

Orbital Period

2.4

days

0.1d10,000d

Distance

342.6

parsecs

Nearby10,000 pc

Equilibrium Temp

1345

K

150 K3,500 K

Radius (Earth radii)

2.65

Mass (Earth masses)

140.00

Measured

Equilibrium Temperature

1345 K

Parameter source: Almenara et al. 2026

Orbital Period

2.426days

Semi-Major Axis

0.0338+0.00070.0007au

Planet Mass (Earth masses)

140.00

Planet Mass (Jupiter masses)

0.4500

Eccentricity

<0.84

Argument of Periastron

180.0+160.0100.0deg

Distance from Earth

342.6 pc (~1117 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.88 M☉

Radius (Solar)

0.93 R☉

Luminosity

Unknown

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

114.4673°, -62.0783°

Discovery Method

Transit

Discovery Year

2024

Data Sources

Source ID: TOI-4504 b

System Context

TOI-4504 b orbits TOI-4504 and was reported in 2024 and was detected with the Transit method.

Published measurements list a radius of 2.65 Earth radii, a mass of 140 Earth masses, an orbital period of 2.43 days, and an equilibrium temperature near 1,345 K.

Catalog data places the system at about 342.6 parsecs from Earth and 3 known planets in the system.

Host star

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

Open TOI-4504

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