Exoplanet

HD 125136 b

Orbiting HD 125136

Overview

HD 125136 b is an exoplanet orbiting the star HD 125136, discovered in 2026 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

718.29

Earth masses

0500 M⊕

Orbital Period

849.8

days

0.1d10,000d

Distance

121.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

718.29

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Figueira et al. 2026

Orbital Period

849.770+4.610−4.730days

M sin(i) (Earth masses)

718.29+25.43−25.43

M sin(i) (Jupiter masses)

2.2600+0.0800−0.0800

Eccentricity

0.0500+0.0600−0.0400

Argument of Periastron

3.1+2.7−2.6deg

Radial Velocity Semi-Amplitude

36.28+2.23−2.26m/s

Distance from Earth

121.3 pc (~395 ly)

Spectral Type

Unknown

Temperature

4959 K

Mass (Solar)

1.55 M☉

Radius (Solar)

5.39 R☉

Luminosity

1.20 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

215.3703°, -72.3175°

Discovery Method

Radial Velocity

Discovery Year

2026

Data Sources
NASA Exoplanet Archive

Source ID: HD 125136 b

System Context

HD 125136 b orbits HD 125136 and was reported in 2026 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 718.29 Earth masses (M sin i) and an orbital period of 849.77 days.

Catalog data places the system at about 121.3 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 HD 125136