Exoplanet

HIP 98599 b

Orbiting HIP 98599

Overview

HIP 98599 b is an exoplanet orbiting the star HIP 98599, discovered in 2026 using the Radial Velocity method.

Key Measurements

Mass

2177.12

Earth masses

0500 M⊕

Orbital Period

2656.0

days

0.1d10,000d

Distance

75.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

2177.12

Measured

Equilibrium Temperature

Unknown

Parameter source: Peña et al. 2026

Orbital Period

2656.000+40.00016.000days

Semi-Major Axis

3.9600+0.07000.0100au

Planet Mass (Earth masses)

2177.12+31.7869.92

Planet Mass (Jupiter masses)

6.8500+0.10000.2200

Eccentricity

0.1690+0.00200.0550

Argument of Periastron

275.0+3.016.0deg

Radial Velocity Semi-Amplitude

45.53+1.042.90m/s

Distance from Earth

75.9 pc (~248 ly)

Spectral Type

F7 V

Temperature

5978 K

Mass (Solar)

1.19 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

300.4091°, -22.1111°

Discovery Method

Radial Velocity

Discovery Year

2026

Data Sources

Source ID: HIP 98599 b

System Context

HIP 98599 b orbits HIP 98599 and was reported in 2026 and was detected with the Radial Velocity method.

Published measurements list a mass of 2,177.12 Earth masses and an orbital period of 2,656 days.

Catalog data places the system at about 75.9 parsecs from Earth, a host star classified as F7 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 98599
HIP 98599 b