Exoplanet

HD 21411 b

Orbiting HD 21411

Overview

HD 21411 b is an exoplanet orbiting the star HD 21411, discovered in 2019 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

65.90

Earth masses

0500 M⊕

Orbital Period

84.3

days

0.1d10,000d

Distance

29.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

65.90

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2019

Orbital Period

84.288+0.1270.127days

Semi-Major Axis

0.3620+0.00700.0070au

M sin(i) (Earth masses)

65.90+25.6025.60

M sin(i) (Jupiter masses)

0.2073+0.08050.0805

Eccentricity

0.4000+0.15000.1500

Argument of Periastron

332.4+17.717.7deg

Radial Velocity Semi-Amplitude

11.48+4.334.33m/s

Distance from Earth

29.1 pc (~95 ly)

Spectral Type

G8 V

Temperature

5605 K

Mass (Solar)

0.89 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

51.5474°, -30.6168°

Discovery Method

Radial Velocity

Discovery Year

2019

Data Sources

Source ID: HD 21411 b

System Context

HD 21411 b orbits HD 21411 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 65.9 Earth masses (M sin i) and an orbital period of 84.29 days.

Catalog data places the system at about 29.1 parsecs from Earth, a host star classified as G8 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 21411