Star

GJ 3998

Host star

Also known as: HIP 84460, TIC 459558974, Gaia DR2 4540061704988054400, Gaia DR3 4540061704989418240

Overview

GJ 3998 is a host star with 3 known exoplanets. It is located approximately 59 light-years from Earth.

Key Measurements

Planets

3

012+

Distance

18.1

pc

Nearby10,000 pc

Temperature

3726

K

2,000 K40,000 K

V Magnitude

10.84

Spectral Type

Unknown

Temperature

3726 K

Mass (Solar)

0.52 M☉

Radius (Solar)

0.50 R☉

Luminosity

-1.36 log L☉

Metallicity [Fe/H]

-0.13

Age

8.4 Gyr

Known Planets

3

Stars in System

1

Planets (NASA)

3

Distance

18.1 pc (~59 ly)

V Magnitude

10.84

K Magnitude

6.82

Coordinates (RA, Dec)

259.0021°, 11.0562°

Planets in this System(3 known)
GJ 3998 b

GJ 3998

Minimum Mass (M sin i)

2.50Earth masses

Orbital Period

2.7days

Distance

18.1parsecs

Discovered 2016

Exoplanet
GJ 3998 c

GJ 3998

Minimum Mass (M sin i)

6.82Earth masses

Orbital Period

13.7days

Distance

18.1parsecs

Discovered 2016

Exoplanet
GJ 3998 d

GJ 3998

Minimum Mass (M sin i)

6.07Earth masses

Orbital Period

41.8days

Distance

18.1parsecs

Discovered 2025

Exoplanet
Data Sources
NASA Exoplanet Archive

Source ID: GJ 3998