Exoplanet

TOI-5599 b

Orbiting TOI-5599

Overview

TOI-5599 b is an exoplanet orbiting the star TOI-5599, discovered in 2026 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

7.19

Earth radii

015 R⊕

Mass (est.)

43.51

Earth masses

0500 M⊕

Orbital Period

5.4

days

0.1d10,000d

Distance

547.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

7.19

Mass (Earth masses)

43.51

Estimated

Equilibrium Temperature

Unknown

Orbital Period

5.44 days

Distance from Earth

547.9 pc (~1787 ly)

Spectral Type

Unknown

Temperature

6137 K

Mass (Solar)

Unknown

Radius (Solar)

1.91 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

199.3262°, 55.6815°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-5599 b

System Context

TOI-5599 b orbits TOI-5599 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 7.19 Earth radii, a mass of 43.51 Earth masses (estimated), and an orbital period of 5.44 days.

Catalog data places the system at about 547.9 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-5599