Exoplanet

TOI-3261 b

Orbiting TOI-3261

Overview

TOI-3261 b is an exoplanet orbiting the star TOI-3261, discovered in 2024 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.82

Earth radii

015 R⊕

Mass

30.30

Earth masses

0500 M⊕

Orbital Period

0.9

days

0.1d10,000d

Distance

300.1

parsecs

Nearby10,000 pc

Equilibrium Temp

1722

K

150 K3,500 K

Radius (Earth radii)

3.82

Mass (Earth masses)

30.30

Measured

Equilibrium Temperature

1722 K

Parameter source: Nabbie et al. 2024

Orbital Period

0.883+0.000−0.000days

Semi-Major Axis

0.0171+0.0001−0.0002au

Planet Mass (Earth masses)

30.30+2.20−2.40

Planet Mass (Jupiter masses)

0.0953+0.0069−0.0076

Eccentricity

0.0000

Argument of Periastron

0.0deg

Radial Velocity Semi-Amplitude

22.10+1.90−1.50m/s

Distance from Earth

300.1 pc (~979 ly)

Spectral Type

K1.5+/-1

Temperature

5068 K

Mass (Solar)

0.86 M☉

Radius (Solar)

0.85 R☉

Luminosity

-0.37 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

47.7285°, -73.5320°

Discovery Method

Transit

Discovery Year

2024

Data Sources
NASA Exoplanet Archive

Source ID: TOI-3261 b

System Context

TOI-3261 b orbits TOI-3261 and was reported in 2024 and was detected with the Transit method.

Published measurements list a radius of 3.82 Earth radii, a mass of 30.3 Earth masses, an orbital period of 0.88 days, and an equilibrium temperature near 1,722 K.

Catalog data places the system at about 300.1 parsecs from Earth, a host star classified as K1.5+/-1, 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-3261