Exoplanet

HD 25463 b

Orbiting HD 25463

Overview

HD 25463 b is an exoplanet orbiting the star HD 25463, discovered in 2023 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.55

Earth radii

015 R⊕

Mass

8.70

Earth masses

0500 M⊕

Orbital Period

7.0

days

0.1d10,000d

Distance

45.6

parsecs

Nearby10,000 pc

Equilibrium Temp

1198

K

150 K3,500 K

Radius (Earth radii)

2.55

Mass (Earth masses)

8.70

Measured

Equilibrium Temperature

1198 K

Parameter source: Polanski et al. 2024

Orbital Period

7.049+0.000−0.000days

Semi-Major Axis

0.0760+0.0010−0.0010au

Planet Mass (Earth masses)

8.70+2.70−2.60

Planet Mass (Jupiter masses)

0.0274+0.0085−0.0082

Eccentricity

0.0000

Argument of Periastron

90.0deg

Radial Velocity Semi-Amplitude

2.49+0.76−0.76m/s

Distance from Earth

45.6 pc (~149 ly)

Spectral Type

Unknown

Temperature

6353 K

Mass (Solar)

1.25 M☉

Radius (Solar)

1.42 R☉

Luminosity

0.47 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

60.7483°, 9.2078°

Discovery Method

Transit

Discovery Year

2023

Data Sources
NASA Exoplanet Archive

Source ID: HD 25463 b

System Context

HD 25463 b orbits HD 25463 and was reported in 2023 and was detected with the Transit method.

Published measurements list a radius of 2.55 Earth radii, a mass of 8.7 Earth masses, an orbital period of 7.05 days, and an equilibrium temperature near 1,198 K.

Catalog data places the system at about 45.6 parsecs from Earth 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 25463

More planets in this system

HD 25463 c