Star

Ross 128

M-type star

Also known as: HIP 57548, TIC 325275315, Gaia DR2 3796072592206250624, Gaia DR3 3796072592206250624

Overview

Ross 128 is a host star of spectral class M with 1 known exoplanet. It is located approximately 11 light-years from Earth.

Key Measurements

Planets

1

012+

Spectral Class

M

Distance

3.4

pc

Nearby10,000 pc

Temperature

3192

K

2,000 K40,000 K

V Magnitude

11.12

Spectral Type

M4

Temperature

3192 K

Mass (Solar)

0.17 M☉

Radius (Solar)

0.20 R☉

Luminosity

-2.44 log L☉

Metallicity [Fe/H]

-0.02

Age

5.0 Gyr

Known Planets

1

Stars in System

1

Planets (NASA)

1

Distance

3.4 pc (~11 ly)

V Magnitude

11.12

K Magnitude

5.65

Coordinates (RA, Dec)

176.9376°, 0.7993°

Planets in this System(1 known)
Ross 128 b

Ross 128

Minimum Mass (M sin i)

1.40Earth masses

Orbital Period

9.9days

Distance

3.4parsecs

Equilibrium Temp

301K

Discovered 2017

Exoplanet
Data Sources
NASA Exoplanet Archive

Source ID: Ross 128