Exoplanet

HD 10975 b

Orbiting HD 10975

Overview

HD 10975 b is an exoplanet orbiting the star HD 10975, discovered in 2021 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

143.02

Earth masses

0500 M⊕

Orbital Period

283.8

days

0.1d10,000d

Distance

116.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

143.02

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teng et al. 2022

Orbital Period

283.800+12.7000.100days

Semi-Major Axis

0.9500+0.06000.0800au

M sin(i) (Earth masses)

143.02+19.0747.67

M sin(i) (Jupiter masses)

0.4500+0.06000.1500

Eccentricity

0.4420+0.04000.3890

Epoch of Periastron

2455450.70+29.10182.90days(JD)

Argument of Periastron

135.0+153.035.0deg

Radial Velocity Semi-Amplitude

12.30+0.203.50m/s

Distance from Earth

116.5 pc (~380 ly)

Spectral Type

K0 III

Temperature

4840 K

Mass (Solar)

1.41 M☉

Radius (Solar)

11.16 R☉

Luminosity

1.79 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

27.1628°, 37.9528°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources

Source ID: HD 10975 b

System Context

HD 10975 b orbits HD 10975 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 143.02 Earth masses (M sin i) and an orbital period of 283.8 days.

Catalog data places the system at about 116.5 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 10975