Exoplanet

HD 2952 b

Orbiting HD 2952

Overview

HD 2952 b is an exoplanet orbiting the star HD 2952, discovered in 2013 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

284.77

Earth masses

0500 M⊕

Orbital Period

312.1

days

0.1d10,000d

Distance

110.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

284.77

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teng et al. 2023

Orbital Period

312.080+1.3601.690days

Semi-Major Axis

1.1170+0.00300.0040au

M sin(i) (Earth masses)

284.77+42.2739.73

M sin(i) (Jupiter masses)

0.8960+0.13300.1250

Eccentricity

0.2690+0.16500.1500

Epoch of Periastron

2454896.30+21.6048.00days(JD)

Argument of Periastron

-155.6+34.436.0deg

Radial Velocity Semi-Amplitude

18.42+2.532.43m/s

Distance from Earth

110.1 pc (~359 ly)

Spectral Type

K0 III

Temperature

4853 K

Mass (Solar)

1.91 M☉

Radius (Solar)

10.90 R☉

Luminosity

1.77 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

8.2938°, 54.8948°

Discovery Method

Radial Velocity

Discovery Year

2013

Data Sources

Source ID: HD 2952 b

System Context

HD 2952 b orbits HD 2952 and was reported in 2013 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 284.77 Earth masses (M sin i) and an orbital period of 312.08 days.

Catalog data places the system at about 110.1 parsecs from Earth, a host star classified as K0 III, 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 2952