Exoplanet

TOI-5515 b

Orbiting TOI-5515

Overview

TOI-5515 b is an exoplanet orbiting the star TOI-5515, discovered in 2026 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.65

Earth radii

015 R⊕

Mass (est.)

8.01

Earth masses

0500 M⊕

Orbital Period

8.6

days

0.1d10,000d

Distance

135.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.65

Mass (Earth masses)

8.01

Estimated

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

8.592+0.001−0.001days

Distance from Earth

135.5 pc (~442 ly)

Spectral Type

Unknown

Temperature

5484 K

Mass (Solar)

Unknown

Radius (Solar)

0.84 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

139.6164°, 16.9900°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-5515 b

System Context

TOI-5515 b orbits TOI-5515 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 2.65 Earth radii, a mass of 8.01 Earth masses (estimated), and an orbital period of 8.59 days.

Catalog data places the system at about 135.5 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-5515