Exoplanet

HD 29399 b

Orbiting HD 29399

Overview

HD 29399 b is an exoplanet orbiting the star HD 29399, discovered in 2022 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

498.99

Earth masses

0500 M⊕

Orbital Period

892.7

days

0.1d10,000d

Distance

44.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

498.99

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Pezzotti et al. 2022

Orbital Period

892.700+5.9005.900days

Semi-Major Axis

1.9130+0.00800.0080au

M sin(i) (Earth masses)

498.99+34.9634.96

M sin(i) (Jupiter masses)

1.5700+0.11000.1100

Eccentricity

0.0500+0.05000.0500

Epoch of Periastron

2455965.00+210.00210.00days(BJD)

Argument of Periastron

-13.1+85.185.1deg

Radial Velocity Semi-Amplitude

29.90+2.202.20m/s

Distance from Earth

44.2 pc (~144 ly)

Spectral Type

K1 III

Temperature

4845 K

Mass (Solar)

1.17 M☉

Radius (Solar)

4.50 R☉

Luminosity

1.00 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

68.3903°, -62.8238°

Discovery Method

Radial Velocity

Discovery Year

2022

Data Sources

Source ID: HD 29399 b

System Context

HD 29399 b orbits HD 29399 and was reported in 2022 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 498.99 Earth masses (M sin i) and an orbital period of 892.7 days.

Catalog data places the system at about 44.2 parsecs from Earth, a host star classified as K1 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 29399
HD 29399 b