Exoplanet

HD 211810 b

Orbiting HD 211810

Overview

HD 211810 b is an exoplanet orbiting the star HD 211810, discovered in 2018 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

212.95

Earth masses

0500 M⊕

Orbital Period

1558.0

days

0.1d10,000d

Distance

64.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

212.95

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Ment et al. 2018

Orbital Period

1558.000+22.00022.000days

Semi-Major Axis

2.6560+0.04300.0430au

M sin(i) (Earth masses)

212.95+139.85139.85

M sin(i) (Jupiter masses)

0.6700+0.44000.4400

Eccentricity

0.6800+0.14000.1400

Epoch of Periastron

2464763.00+86.0086.00days(JD)

Argument of Periastron

98.0+14.014.0deg

Radial Velocity Semi-Amplitude

15.60+7.207.20m/s

Distance from Earth

64.6 pc (~211 ly)

Spectral Type

G5

Temperature

5652 K

Mass (Solar)

1.03 M☉

Radius (Solar)

1.13 R☉

Luminosity

0.07 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

334.5287°, 61.1350°

Discovery Method

Radial Velocity

Discovery Year

2018

Data Sources

Source ID: HD 211810 b

System Context

HD 211810 b orbits HD 211810 and was reported in 2018 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 212.95 Earth masses (M sin i) and an orbital period of 1,558 days.

Catalog data places the system at about 64.6 parsecs from Earth, a host star classified as G5, 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 211810
HD 211810 b