HD 260655 b
Orbiting HD 260655
HD 260655 b is an exoplanet orbiting the star HD 260655, discovered in 2022 using the Transit method. It is a Earth-sized world.
Radius
1.24
Earth radii
Mass
2.14
Earth masses
Orbital Period
2.8
days
Distance
10.0
parsecs
Equilibrium Temp
709
K
Radius (Earth radii)
1.24
Mass (Earth masses)
2.14
Measured
Equilibrium Temperature
709 K
Parameter source: Luque et al. 2022
Orbital Period
2.770+0.000−0.000days
Semi-Major Axis
0.0293+0.0002−0.0002au
Planet Mass (Earth masses)
2.14+0.34−0.34
Planet Mass (Jupiter masses)
0.0067+0.0011−0.0011
Eccentricity
0.0390+0.0430−0.0230
Argument of Periastron
57.0+70.0−160.0deg
Radial Velocity Semi-Amplitude
1.69+0.27−0.27m/s
Distance from Earth
10.0 pc (~33 ly)
Spectral Type
M0 V
Temperature
3803 K
Mass (Solar)
0.44 M☉
Radius (Solar)
0.44 R☉
Luminosity
-1.44 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
99.2915°, 17.5663°
Discovery Method
Transit
Discovery Year
2022
Source ID: HD 260655 b
HD 260655 b orbits HD 260655 and was reported in 2022 and was detected with the Transit method.
Published measurements list a radius of 1.24 Earth radii, a mass of 2.14 Earth masses, an orbital period of 2.77 days, and an equilibrium temperature near 709 K.
Catalog data places the system at about 10 parsecs from Earth, a host star classified as M0 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 260655More planets in this system