Exoplanet

HD 38801 b

Orbiting HD 38801

Overview

HD 38801 b is an exoplanet orbiting the star HD 38801, discovered in 2009 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

3082.32

Earth masses

0500 M⊕

Orbital Period

685.3

days

0.1d10,000d

Distance

91.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

3082.32

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Barbato et al. 2018

Orbital Period

685.250+0.8500.850days

Semi-Major Axis

1.6230+0.04700.0490au

M sin(i) (Earth masses)

3082.32+182.12186.57

M sin(i) (Jupiter masses)

9.6980+0.57300.5870

Eccentricity

0.0170+0.01300.0110

Epoch of Periastron

2456752.90+126.50102.10days(BJD)

Argument of Periastron

97.1+238.671.9deg

Radial Velocity Semi-Amplitude

197.29+3.523.43m/s

Distance from Earth

91.4 pc (~298 ly)

Spectral Type

Unknown

Temperature

5338 K

Mass (Solar)

1.21 M☉

Radius (Solar)

2.03 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

86.9963°, -8.3280°

Discovery Method

Radial Velocity

Discovery Year

2009

Data Sources

Source ID: HD 38801 b

System Context

HD 38801 b orbits HD 38801 and was reported in 2009 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 3,082.32 Earth masses (M sin i) and an orbital period of 685.25 days.

Catalog data places the system at about 91.4 parsecs from Earth 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 38801
HD 38801 b