Exoplanet

HIP 54373 b

Orbiting HIP 54373

Overview

HIP 54373 b is an exoplanet orbiting the star HIP 54373, discovered in 2019 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

8.62

Earth masses

0500 M⊕

Orbital Period

7.8

days

0.1d10,000d

Distance

18.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

8.62

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2019

Orbital Period

7.760+0.0030.003days

Semi-Major Axis

0.0630+0.00100.0010au

M sin(i) (Earth masses)

8.62+1.841.84

M sin(i) (Jupiter masses)

0.0271+0.00580.0058

Eccentricity

0.2000+0.11000.1100

Argument of Periastron

72.3+44.644.6deg

Radial Velocity Semi-Amplitude

4.19+0.870.87m/s

Distance from Earth

18.7 pc (~61 ly)

Spectral Type

K5 V

Temperature

4021 K

Mass (Solar)

0.57 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

166.8644°, -19.2917°

Discovery Method

Radial Velocity

Discovery Year

2019

Data Sources

Source ID: HIP 54373 b

System Context

HIP 54373 b orbits HIP 54373 and was reported in 2019 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 8.62 Earth masses (M sin i) and an orbital period of 7.76 days.

Catalog data places the system at about 18.7 parsecs from Earth, a host star classified as K5 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 HIP 54373

More planets in this system