Exoplanet

HIP 12961 b

Orbiting HIP 12961

Overview

HIP 12961 b is an exoplanet orbiting the star HIP 12961, discovered in 2010 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

114.42

Earth masses

0500 M⊕

Orbital Period

57.4

days

0.1d10,000d

Distance

23.4

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

114.42

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Stassun et al. 2017

Orbital Period

57.435+0.0420.042days

Semi-Major Axis

0.2500+0.01000.0100au

M sin(i) (Earth masses)

114.42+22.2522.25

M sin(i) (Jupiter masses)

0.3600+0.07000.0700

Eccentricity

0.1700+0.03000.0300

Radial Velocity Semi-Amplitude

24.70+0.900.90m/s

Distance from Earth

23.4 pc (~76 ly)

Spectral Type

Unknown

Temperature

3901 K

Mass (Solar)

0.69 M☉

Radius (Solar)

0.65 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

41.6801°, -23.0860°

Discovery Method

Radial Velocity

Discovery Year

2010

Data Sources

Source ID: HIP 12961 b

System Context

HIP 12961 b orbits HIP 12961 and was reported in 2010 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 114.42 Earth masses (M sin i) and an orbital period of 57.44 days.

Catalog data places the system at about 23.4 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 HIP 12961