Exoplanet

TOI-1199 b

Orbiting TOI-1199

Overview

TOI-1199 b is an exoplanet orbiting the star TOI-1199, discovered in 2024 using the Transit method. It is a Jupiter-sized world.

Key Measurements

Radius

10.51

Earth radii

015 R⊕

Mass

75.96

Earth masses

0500 M⊕

Orbital Period

3.7

days

0.1d10,000d

Distance

248.4

parsecs

Nearby10,000 pc

Equilibrium Temp

1486

K

150 K3,500 K

Radius (Earth radii)

10.51

Mass (Earth masses)

75.96

Measured

Equilibrium Temperature

1486 K

Parameter source: Serrano Bell et al. 2024

Orbital Period

3.671+0.000−0.000days

Semi-Major Axis

0.0499+0.0009−0.0009au

Planet Mass (Earth masses)

75.96+6.36−6.36

Planet Mass (Jupiter masses)

0.2390+0.0200−0.0200

Eccentricity

0.0300+0.0290−0.0290

Argument of Periastron

57.0+97.0−97.0deg

Radial Velocity Semi-Amplitude

27.50+2.10−2.10m/s

Distance from Earth

248.4 pc (~810 ly)

Spectral Type

Unknown

Temperature

5710 K

Mass (Solar)

1.23 M☉

Radius (Solar)

1.45 R☉

Luminosity

0.30 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

166.8807°, 61.3526°

Discovery Method

Transit

Discovery Year

2024

Data Sources
NASA Exoplanet Archive

Source ID: TOI-1199 b

System Context

TOI-1199 b orbits TOI-1199 and was reported in 2024 and was detected with the Transit method.

Published measurements list a radius of 10.51 Earth radii, a mass of 75.96 Earth masses, an orbital period of 3.67 days, and an equilibrium temperature near 1,486 K.

Catalog data places the system at about 248.4 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-1199
TOI-1199 b