Exoplanet

TOI-2019 b

Orbiting TOI-2019

Overview

TOI-2019 b is an exoplanet orbiting the star TOI-2019, discovered in 2024 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

5.33

Earth radii

015 R⊕

Mass

34.40

Earth masses

0500 M⊕

Orbital Period

15.3

days

0.1d10,000d

Distance

198.0

parsecs

Nearby10,000 pc

Equilibrium Temp

917

K

150 K3,500 K

Radius (Earth radii)

5.33

Mass (Earth masses)

34.40

Measured

Equilibrium Temperature

917 K

Parameter source: Polanski et al. 2024

Orbital Period

15.344+0.006−0.006days

Semi-Major Axis

0.1280+0.0030−0.0030au

Planet Mass (Earth masses)

34.40+4.40−4.40

Planet Mass (Jupiter masses)

0.1082+0.0138−0.0138

Eccentricity

0.0000

Argument of Periastron

57.0+57.0−57.0deg

Radial Velocity Semi-Amplitude

7.97+0.95−0.95m/s

Distance from Earth

198.0 pc (~646 ly)

Spectral Type

Unknown

Temperature

5626 K

Mass (Solar)

1.18 M☉

Radius (Solar)

1.75 R☉

Luminosity

0.44 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

234.4318°, 48.9552°

Discovery Method

Transit

Discovery Year

2024

Data Sources
NASA Exoplanet Archive

Source ID: TOI-2019 b

System Context

TOI-2019 b orbits TOI-2019 and was reported in 2024 and was detected with the Transit method.

Published measurements list a radius of 5.33 Earth radii, a mass of 34.4 Earth masses, an orbital period of 15.34 days, and an equilibrium temperature near 917 K.

Catalog data places the system at about 198 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-2019