Exoplanet

HD 134987 b

Orbiting HD 134987

Overview

HD 134987 b is an exoplanet orbiting the star HD 134987, discovered in 1999 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

511.71

Earth masses

0500 M⊕

Orbital Period

258.2

days

0.1d10,000d

Distance

26.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

511.71

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

258.180+0.070−0.070days

Semi-Major Axis

0.8100+0.0200−0.0200au

M sin(i) (Earth masses)

511.71+22.25−22.25

M sin(i) (Jupiter masses)

1.6100+0.0700−0.0700

Eccentricity

0.2300+0.0000−0.0000

Radial Velocity Semi-Amplitude

49.50+0.20−0.20m/s

Distance from Earth

26.2 pc (~85 ly)

Spectral Type

Unknown

Temperature

5736 K

Mass (Solar)

1.10 M☉

Radius (Solar)

1.22 R☉

Luminosity

Unknown

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

228.3675°, -25.3097°

Discovery Method

Radial Velocity

Discovery Year

1999

Data Sources
NASA Exoplanet Archive

Source ID: HD 134987 b

System Context

HD 134987 b orbits HD 134987 and was reported in 1999 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 511.71 Earth masses (M sin i) and an orbital period of 258.18 days.

Catalog data places the system at about 26.2 parsecs from Earth and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 134987

More planets in this system

HD 134987 c