Exoplanet

HIP 8923 b

Orbiting HIP 8923

Overview

HIP 8923 b is an exoplanet orbiting the star HIP 8923, discovered in 2026 using the Radial Velocity method.

Key Measurements

Mass

3171.93

Earth masses

0500 M⊕

Orbital Period

5160.0

days

0.1d10,000d

Distance

66.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

3171.93

Measured

Equilibrium Temperature

Unknown

Parameter source: Peña et al. 2026

Orbital Period

5160.000+150.000−240.000days

Semi-Major Axis

5.9000+0.1000−0.2200au

Planet Mass (Earth masses)

3171.93+247.91−50.85

Planet Mass (Jupiter masses)

9.9800+0.7800−0.1600

Eccentricity

0.0110+0.0320−0.0110

Argument of Periastron

53.0+65.3−32.0deg

Radial Velocity Semi-Amplitude

48.30+3.60−5.50m/s

Distance from Earth

66.0 pc (~215 ly)

Spectral Type

G3 V

Temperature

5980 K

Mass (Solar)

1.01 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

28.7251°, -11.5113°

Discovery Method

Radial Velocity

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: HIP 8923 b

System Context

HIP 8923 b orbits HIP 8923 and was reported in 2026 and was detected with the Radial Velocity method.

Published measurements list a mass of 3,171.93 Earth masses and an orbital period of 5,160 days.

Catalog data places the system at about 66 parsecs from Earth, a host star classified as G3 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 8923