HD 80653 b
Orbiting HD 80653
HD 80653 b is an exoplanet orbiting the star HD 80653, discovered in 2020 using the Transit method. It is a Super-Earth world.
Radius
1.62
Earth radii
Mass
5.61
Earth masses
Orbital Period
0.7
days
Distance
109.9
parsecs
Equilibrium Temp
2438
K
Radius (Earth radii)
1.62
Mass (Earth masses)
5.61
Measured
Equilibrium Temperature
2438 K
Parameter source: Naponiello et al. 2026
Orbital Period
0.720+0.000−0.000days
Semi-Major Axis
0.0166+0.0007−0.0007au
Planet Mass (Earth masses)
5.61+0.38−0.37
Planet Mass (Jupiter masses)
0.0177+0.0012−0.0012
Eccentricity
0.0000
Argument of Periastron
90.0deg
Radial Velocity Semi-Amplitude
3.66+0.20−0.20m/s
Distance from Earth
109.9 pc (~358 ly)
Spectral Type
G0 V
Temperature
5959 K
Mass (Solar)
1.15 M☉
Radius (Solar)
1.20 R☉
Luminosity
0.21 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
140.3391°, 14.3679°
Discovery Method
Transit
Discovery Year
2020
Source ID: HD 80653 b
HD 80653 b orbits HD 80653 and was reported in 2020 and was detected with the Transit method.
Published measurements list a radius of 1.62 Earth radii, a mass of 5.61 Earth masses, an orbital period of 0.72 days, and an equilibrium temperature near 2,438 K.
Catalog data places the system at about 109.9 parsecs from Earth, a host star classified as G0 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 HD 80653More planets in this system