Exoplanet

HD 83443 b

Orbiting HD 83443

Overview

HD 83443 b is an exoplanet orbiting the star HD 83443, discovered in 2002 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

127.77

Earth masses

0500 M⊕

Orbital Period

3.0

days

0.1d10,000d

Distance

40.9

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

127.77

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Errico et al. 2022

Orbital Period

2.986+0.0000.000days

Semi-Major Axis

0.0406+0.00040.0004au

M sin(i) (Earth masses)

127.77+2.542.54

M sin(i) (Jupiter masses)

0.4020+0.00800.0080

Eccentricity

0.0120+0.00700.0060

Argument of Periastron

344.0+11.015.0deg

Radial Velocity Semi-Amplitude

56.73+0.360.36m/s

Distance from Earth

40.9 pc (~133 ly)

Spectral Type

K0 V

Temperature

5442 K

Mass (Solar)

1.00 M☉

Radius (Solar)

0.94 R☉

Luminosity

-0.10 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

144.2994°, -43.2727°

Discovery Method

Radial Velocity

Discovery Year

2002

Data Sources

Source ID: HD 83443 b

System Context

HD 83443 b orbits HD 83443 and was reported in 2002 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 127.77 Earth masses (M sin i) and an orbital period of 2.99 days.

Catalog data places the system at about 40.9 parsecs from Earth, a host star classified as K0 V, 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 83443

More planets in this system

HD 83443 b