Exoplanet

HD 87816 c

Orbiting HD 87816

Overview

HD 87816 c is an exoplanet orbiting the star HD 87816, discovered in 2025 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

3877.51

Earth masses

0500 M⊕

Orbital Period

7596.0

days

0.1d10,000d

Distance

133.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

3877.51

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Fontanet et al. 2025

Orbital Period

7596.000+1140.000535.000days

Semi-Major Axis

10.1400+0.99000.4800au

M sin(i) (Earth masses)

3877.51+683.33505.35

M sin(i) (Jupiter masses)

12.2000+2.15001.5900

Eccentricity

0.1900+0.07000.0700

Argument of Periastron

110.4+16.422.6deg

Radial Velocity Semi-Amplitude

71.30+9.567.59m/s

Distance from Earth

133.2 pc (~435 ly)

Spectral Type

K0 III

Temperature

4989 K

Mass (Solar)

2.41 M☉

Radius (Solar)

9.00 R☉

Luminosity

1.66 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

151.5297°, -52.1879°

Discovery Method

Radial Velocity

Discovery Year

2025

Data Sources

Source ID: HD 87816 c

System Context

HD 87816 c orbits HD 87816 and was reported in 2025 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 3,877.51 Earth masses (M sin i) and an orbital period of 7,596 days.

Catalog data places the system at about 133.2 parsecs from Earth, a host star classified as K0 III, 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 87816

More planets in this system

HD 87816 c