Exoplanet

TIC 290487717 b

Orbiting TIC 290487717

Overview

TIC 290487717 b is an exoplanet orbiting the star TIC 290487717, discovered in 2026 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

6.64

Earth radii

015 R⊕

Mass (est.)

38.00

Earth masses

0500 M⊕

Orbital Period

3.4

days

0.1d10,000d

Distance

395.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

6.64

Mass (Earth masses)

38.00

Estimated

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

3.401+0.001−0.001days

Distance from Earth

395.6 pc (~1290 ly)

Spectral Type

Unknown

Temperature

5329 K

Mass (Solar)

Unknown

Radius (Solar)

0.94 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

139.0871°, 2.5508°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TIC 290487717 b

System Context

TIC 290487717 b orbits TIC 290487717 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 6.64 Earth radii, a mass of 38 Earth masses (estimated), and an orbital period of 3.4 days.

Catalog data places the system at about 395.6 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 290487717