Exoplanet

HIP 67851 c

Orbiting HIP 67851

Overview

HIP 67851 c is an exoplanet orbiting the star HIP 67851, discovered in 2015 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

1579.61

Earth masses

0500 M⊕

Orbital Period

3128.4

days

0.1d10,000d

Distance

64.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

1579.61

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Fontanet et al. 2025

Orbital Period

3128.410+52.090−47.130days

Semi-Major Axis

4.5500+0.0500−0.0500au

M sin(i) (Earth masses)

1579.61+69.92−66.74

M sin(i) (Jupiter masses)

4.9700+0.2200−0.2100

Eccentricity

0.3000+0.0300−0.0300

Argument of Periastron

83.3+8.7−8.2deg

Radial Velocity Semi-Amplitude

61.44+2.39−2.34m/s

Distance from Earth

64.1 pc (~209 ly)

Spectral Type

K0 III

Temperature

4840 K

Mass (Solar)

1.28 M☉

Radius (Solar)

5.45 R☉

Luminosity

1.17 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

208.4654°, -35.3147°

Discovery Method

Radial Velocity

Discovery Year

2015

Data Sources
NASA Exoplanet Archive

Source ID: HIP 67851 c

System Context

HIP 67851 c orbits HIP 67851 and was reported in 2015 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 1,579.61 Earth masses (M sin i) and an orbital period of 3,128.41 days.

Catalog data places the system at about 64.1 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 HIP 67851

More planets in this system

HIP 67851 b