Exoplanet

HD 13808 b

Orbiting HD 13808

Overview

HD 13808 b is an exoplanet orbiting the star HD 13808, discovered in 2021 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

11.20

Earth masses

0500 M⊕

Orbital Period

14.2

days

0.1d10,000d

Distance

28.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

11.20

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Ahrer et al. 2021

Orbital Period

14.181+0.0020.002days

Semi-Major Axis

0.1052+0.00090.0011au

M sin(i) (Earth masses)

11.20+1.200.66

M sin(i) (Jupiter masses)

0.0352+0.00380.0021

Eccentricity

0.0710+0.02700.0470

Radial Velocity Semi-Amplitude

3.67+0.220.22m/s

Distance from Earth

28.2 pc (~92 ly)

Spectral Type

K2 V

Temperature

5035 K

Mass (Solar)

0.77 M☉

Radius (Solar)

0.78 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

33.1781°, -53.7438°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources

Source ID: HD 13808 b

System Context

HD 13808 b orbits HD 13808 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 11.2 Earth masses (M sin i) and an orbital period of 14.18 days.

Catalog data places the system at about 28.2 parsecs from Earth, a host star classified as K2 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 13808

More planets in this system

HD 13808 b