Exoplanet

TOI-2421 b

Orbiting TOI-2421

Overview

TOI-2421 b is an exoplanet orbiting the star TOI-2421, discovered in 2022 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

10.37

Earth radii

015 R⊕

Mass

105.84

Earth masses

0500 M⊕

Orbital Period

4.3

days

0.1d10,000d

Distance

327.9

parsecs

Nearby10,000 pc

Equilibrium Temp

1534

K

150 K3,500 K

Radius (Earth radii)

10.37

Mass (Earth masses)

105.84

Measured

Equilibrium Temperature

1534 K

Parameter source: Yee et al. 2022

Orbital Period

4.347+0.000−0.000days

Semi-Major Axis

0.0543+0.0021−0.0010au

Planet Mass (Earth masses)

105.84+25.11−25.11

Planet Mass (Jupiter masses)

0.3330+0.0790−0.0790

Eccentricity

0.0000+0.0480−0.0520

Radial Velocity Semi-Amplitude

37.80+8.60−8.90m/s

Distance from Earth

327.9 pc (~1070 ly)

Spectral Type

Unknown

Temperature

5607 K

Mass (Solar)

1.13 M☉

Radius (Solar)

1.75 R☉

Luminosity

0.44 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

33.1540°, -35.3909°

Discovery Method

Transit

Discovery Year

2022

Data Sources
NASA Exoplanet Archive

Source ID: TOI-2421 b

System Context

TOI-2421 b orbits TOI-2421 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 10.37 Earth radii, a mass of 105.84 Earth masses, an orbital period of 4.35 days, and an equilibrium temperature near 1,534 K.

Catalog data places the system at about 327.9 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-2421
TOI-2421 b