Exoplanet

TOI-3664 b

Orbiting TOI-3664

Overview

TOI-3664 b is an exoplanet orbiting the star TOI-3664, discovered in 2026 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

13.70

Earth radii

015 R⊕

Mass

114.42

Earth masses

0500 M⊕

Orbital Period

3.3

days

0.1d10,000d

Distance

464.7

parsecs

Nearby10,000 pc

Equilibrium Temp

1232

K

150 K3,500 K

Radius (Earth radii)

13.70

Mass (Earth masses)

114.42

Measured

Equilibrium Temperature

1232 K

Parameter source: Battley et al. 2026

Orbital Period

3.297+0.000−0.000days

Semi-Major Axis

0.0431+0.0010−0.0010au

Planet Mass (Earth masses)

114.42+38.14−38.14

Planet Mass (Jupiter masses)

0.3600+0.1200−0.1200

Eccentricity

0.1590+0.0740−0.0740

Argument of Periastron

93.0+53.0−50.0deg

Radial Velocity Semi-Amplitude

51.00+16.00−15.00m/s

Distance from Earth

464.7 pc (~1516 ly)

Spectral Type

Unknown

Temperature

5593 K

Mass (Solar)

0.98 M☉

Radius (Solar)

1.11 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

35.3085°, 59.7119°

Discovery Method

Transit

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: TOI-3664 b

System Context

TOI-3664 b orbits TOI-3664 and was reported in 2026 and was detected with the Transit method.

Published measurements list a radius of 13.7 Earth radii, a mass of 114.42 Earth masses, an orbital period of 3.3 days, and an equilibrium temperature near 1,232 K.

Catalog data places the system at about 464.7 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-3664