Exoplanet

HIP 19976 b

Orbiting HIP 19976

Overview

HIP 19976 b is an exoplanet orbiting the star HIP 19976, discovered in 2022 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

21.61

Earth masses

0500 M⊕

Orbital Period

50.7

days

0.1d10,000d

Distance

40.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

21.61

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

50.659+0.0630.078days

Semi-Major Axis

0.2340+0.00900.0100au

M sin(i) (Earth masses)

21.61+2.865.09

M sin(i) (Jupiter masses)

0.0680+0.00900.0160

Eccentricity

0.3040+0.20000.1450

Epoch of Periastron

2455579.02+1.5640.78days(BJD)

Argument of Periastron

188.9+26.744.1deg

Radial Velocity Semi-Amplitude

5.12+0.811.01m/s

Distance from Earth

40.3 pc (~131 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.67 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

64.2598°, -40.7985°

Discovery Method

Radial Velocity

Discovery Year

2022

Data Sources

Source ID: HIP 19976 b

System Context

HIP 19976 b orbits HIP 19976 and was reported in 2022 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 21.61 Earth masses (M sin i) and an orbital period of 50.66 days.

Catalog data places the system at about 40.3 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 HIP 19976