Exoplanet

HIP 41378 b

Orbiting HIP 41378

Overview

HIP 41378 b is an exoplanet orbiting the star HIP 41378, discovered in 2016 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.64

Earth radii

015 R⊕

Mass

6.90

Earth masses

0500 M⊕

Orbital Period

15.6

days

0.1d10,000d

Distance

106.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.64

Mass (Earth masses)

6.90

Measured

Equilibrium Temperature

Unknown

Parameter source: Grouffal et al. 2026

Orbital Period

15.572+0.0000.000days

Planet Mass (Earth masses)

6.90+0.500.50

Planet Mass (Jupiter masses)

0.0217+0.00160.0016

Eccentricity

0.0500+0.03000.0500

Distance from Earth

106.3 pc (~347 ly)

Spectral Type

Unknown

Temperature

6290 K

Mass (Solar)

1.22 M☉

Radius (Solar)

1.30 R☉

Luminosity

Unknown

Planets in System

6

Stars in System

1

Coordinates (RA, Dec)

126.6158°, 10.0804°

Discovery Method

Transit

Discovery Year

2016

Data Sources

Source ID: HIP 41378 b

System Context

HIP 41378 b orbits HIP 41378 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 2.64 Earth radii, a mass of 6.9 Earth masses, and an orbital period of 15.57 days.

Catalog data places the system at about 106.3 parsecs from Earth and 6 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HIP 41378
HIP 41378 b