Exoplanet

TIC 390586021 b

Orbiting TIC 390586021

Overview

TIC 390586021 b is an exoplanet orbiting the star TIC 390586021, discovered in 2026 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.86

Earth radii

015 R⊕

Mass (est.)

9.10

Earth masses

0500 M⊕

Orbital Period

2.7

days

0.1d10,000d

Distance

114.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.86

Mass (Earth masses)

9.10

Estimated

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

2.747+0.000−0.000days

Distance from Earth

114.6 pc (~374 ly)

Spectral Type

Unknown

Temperature

4435 K

Mass (Solar)

Unknown

Radius (Solar)

0.73 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

199.8226°, -31.4655°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TIC 390586021 b

System Context

TIC 390586021 b orbits TIC 390586021 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 9.1 Earth masses (estimated), and an orbital period of 2.75 days.

Catalog data places the system at about 114.6 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 TIC 390586021
TIC 390586021 b