Exoplanet

TOI-3896 b

Orbiting TOI-3896

Overview

TOI-3896 b is an exoplanet orbiting the star TOI-3896, discovered in 2026 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.15

Earth radii

015 R⊕

Mass (est.)

10.72

Earth masses

0500 M⊕

Orbital Period

4.4

days

0.1d10,000d

Distance

181.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

3.15

Mass (Earth masses)

10.72

Estimated

Equilibrium Temperature

Unknown

Parameter source: Lafarga et al. 2026

Orbital Period

4.377+0.000−0.000days

Distance from Earth

181.7 pc (~592 ly)

Spectral Type

Unknown

Temperature

5111 K

Mass (Solar)

Unknown

Radius (Solar)

0.75 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

187.9302°, 63.9085°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-3896 b

System Context

TOI-3896 b orbits TOI-3896 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 3.15 Earth radii, a mass of 10.72 Earth masses (estimated), and an orbital period of 4.38 days.

Catalog data places the system at about 181.7 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-3896
TOI-3896 b