Exoplanet

HD 25171 b

Orbiting HD 25171

Overview

HD 25171 b is an exoplanet orbiting the star HD 25171, discovered in 2010 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

290.81

Earth masses

0500 M⊕

Orbital Period

1802.3

days

0.1d10,000d

Distance

55.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

290.81

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Barbato et al. 2018

Orbital Period

1802.290+24.12022.920days

Semi-Major Axis

2.9710+0.03300.0320au

M sin(i) (Earth masses)

290.81+3.503.81

M sin(i) (Jupiter masses)

0.9150+0.01100.0120

Eccentricity

0.0420+0.04600.0290

Epoch of Periastron

2457105.70+540.50554.43days(BJD)

Argument of Periastron

159.5+136.6104.9deg

Radial Velocity Semi-Amplitude

14.56+0.840.88m/s

Distance from Earth

55.6 pc (~181 ly)

Spectral Type

Unknown

Temperature

6125 K

Mass (Solar)

1.08 M☉

Radius (Solar)

1.23 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

58.9575°, -65.1863°

Discovery Method

Radial Velocity

Discovery Year

2010

Data Sources

Source ID: HD 25171 b

System Context

HD 25171 b orbits HD 25171 and was reported in 2010 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 290.81 Earth masses (M sin i) and an orbital period of 1,802.29 days.

Catalog data places the system at about 55.6 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 25171