TOI-1422 b
Orbiting TOI-1422
TOI-1422 b is an exoplanet orbiting the star TOI-1422, discovered in 2022 using the Transit method. It is a Mini-Neptune world.
Radius
3.83
Earth radii
Mass
9.50
Earth masses
Orbital Period
13.0
days
Distance
155.1
parsecs
Equilibrium Temp
870
K
Radius (Earth radii)
3.83
Mass (Earth masses)
9.50
Measured
Equilibrium Temperature
870 K
Parameter source: Naponiello et al. 2026
Orbital Period
12.999+0.000−0.000days
Semi-Major Axis
0.1070+0.0030−0.0030au
Planet Mass (Earth masses)
9.50+2.00−1.90
Planet Mass (Jupiter masses)
0.0299+0.0063−0.0060
Eccentricity
<0.2
Argument of Periastron
90.0deg
Radial Velocity Semi-Amplitude
2.64+0.54−0.53m/s
Distance from Earth
155.1 pc (~506 ly)
Spectral Type
G2 V
Temperature
Unknown
Mass (Solar)
Unknown
Radius (Solar)
Unknown
Luminosity
Unknown
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
354.2408°, 39.6393°
Discovery Method
Transit
Discovery Year
2022
Source ID: TOI-1422 b
TOI-1422 b orbits TOI-1422 and was reported in 2022 and was detected with the Transit method.
Published measurements list a radius of 3.83 Earth radii, a mass of 9.5 Earth masses, an orbital period of 13 days, and an equilibrium temperature near 870 K.
Catalog data places the system at about 155.1 parsecs from Earth, a host star classified as G2 V, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open TOI-1422More planets in this system