Exoplanet

HD 39091 b

Orbiting HD 39091

Overview

HD 39091 b is an exoplanet orbiting the star HD 39091, discovered in 2001 using the Radial Velocity method.

Key Measurements

Mass

4481.38

Earth masses

0500 M⊕

Orbital Period

2088.8

days

0.1d10,000d

Distance

18.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

4481.38

Measured

Equilibrium Temperature

Unknown

Parameter source: Damasso et al. 2020

Orbital Period

2088.800+0.4000.400days

Semi-Major Axis

3.2800+0.04000.0400au

Planet Mass (Earth masses)

4481.38+158.91127.13

Planet Mass (Jupiter masses)

14.1000+0.50000.4000

Eccentricity

0.6420+0.00100.0010

Epoch of Periastron

2458388.60+2.202.20days(BJD)

Argument of Periastron

-30.1+0.30.3deg

Radial Velocity Semi-Amplitude

196.10+0.700.70m/s

Distance from Earth

18.3 pc (~60 ly)

Spectral Type

Unknown

Temperature

5998 K

Mass (Solar)

1.07 M☉

Radius (Solar)

1.17 R☉

Luminosity

Unknown

Planets in System

3

Stars in System

1

Coordinates (RA, Dec)

84.2993°, -80.4646°

Discovery Method

Radial Velocity

Discovery Year

2001

Data Sources

Source ID: HD 39091 b

System Context

HD 39091 b orbits HD 39091 and was reported in 2001 and was detected with the Radial Velocity method.

Published measurements list a mass of 4,481.38 Earth masses and an orbital period of 2,088.8 days.

Catalog data places the system at about 18.3 parsecs from Earth and 3 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 39091

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