Exoplanet

HIP 86221 b

Orbiting HIP 86221

Overview

HIP 86221 b is an exoplanet orbiting the star HIP 86221, discovered in 2021 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

225.66

Earth masses

0500 M⊕

Orbital Period

2.2

days

0.1d10,000d

Distance

29.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

225.66

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Paredes et al. 2021

Orbital Period

2.224+0.0000.001days

Semi-Major Axis

0.0310au

M sin(i) (Earth masses)

225.66

M sin(i) (Jupiter masses)

0.7100

Eccentricity

0.0860

Epoch of Periastron

2457947.28days(JD)

Argument of Periastron

208.9deg

Radial Velocity Semi-Amplitude

129.60+34.5019.60m/s

Distance from Earth

29.5 pc (~96 ly)

Spectral Type

K5 V

Temperature

Unknown

Mass (Solar)

0.79 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

264.2949°, 27.8964°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources

Source ID: HIP 86221 b

System Context

HIP 86221 b orbits HIP 86221 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 225.66 Earth masses (M sin i) and an orbital period of 2.22 days.

Catalog data places the system at about 29.5 parsecs from Earth, a host star classified as K5 V, 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 86221