TOI-159 b
Orbiting TOI-159
TOI-159 b is an exoplanet orbiting the star TOI-159, discovered in 2026 using the Transit method. It is a Jupiter-sized world.
Radius
18.18
Earth radii
Mass
1110.00
Earth masses
Orbital Period
3.8
days
Distance
347.6
parsecs
Equilibrium Temp
1891
K
Radius (Earth radii)
18.18
Mass (Earth masses)
1110.00
Measured
Equilibrium Temperature
1891 K
Parameter source: Mantovan et al. 2026
Orbital Period
3.763+0.000−0.000days
Semi-Major Axis
0.0560+0.0007−0.0007au
Planet Mass (Earth masses)
1110.00+79.00−84.00
Planet Mass (Jupiter masses)
3.4900+0.2600−0.2600
Eccentricity
0.2400+0.0300−0.0400
Argument of Periastron
-176.0+4.0−5.0deg
Radial Velocity Semi-Amplitude
335.00+23.00−26.00m/s
Distance from Earth
347.6 pc (~1134 ly)
Spectral Type
F0 V
Temperature
7287 K
Mass (Solar)
1.66 M☉
Radius (Solar)
1.62 R☉
Luminosity
0.82 log L☉
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
51.7823°, -78.5498°
Discovery Method
Transit
Discovery Year
2026
Source ID: TOI-159 b
TOI-159 b orbits TOI-159 and was reported in 2026 and was detected with the Transit method.
Published measurements list a radius of 18.18 Earth radii, a mass of 1,110 Earth masses, an orbital period of 3.76 days, and an equilibrium temperature near 1,891 K.
Catalog data places the system at about 347.6 parsecs from Earth, a host star classified as F0 V, 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-159