Exoplanet

HD 206255 b

Orbiting HD 206255

Overview

HD 206255 b is an exoplanet orbiting the star HD 206255, discovered in 2019 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

34.20

Earth masses

0500 M⊕

Orbital Period

96.0

days

0.1d10,000d

Distance

75.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

34.20

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2019

Orbital Period

96.045+0.3170.317days

Semi-Major Axis

0.4610+0.00900.0090au

M sin(i) (Earth masses)

34.20+7.107.10

M sin(i) (Jupiter masses)

0.1076+0.02230.0223

Eccentricity

0.2300+0.11000.1100

Argument of Periastron

86.9+44.944.9deg

Radial Velocity Semi-Amplitude

3.92+0.800.80m/s

Distance from Earth

75.2 pc (~245 ly)

Spectral Type

G5 IV/V

Temperature

5635 K

Mass (Solar)

1.42 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

325.5918°, -50.0936°

Discovery Method

Radial Velocity

Discovery Year

2019

Data Sources

Source ID: HD 206255 b

System Context

HD 206255 b orbits HD 206255 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 34.2 Earth masses (M sin i) and an orbital period of 96.05 days.

Catalog data places the system at about 75.2 parsecs from Earth, a host star classified as G5 IV/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 HD 206255
HD 206255 b