Exoplanet

GJ 1151 c

Orbiting GJ 1151

Overview

GJ 1151 c is an exoplanet orbiting the star GJ 1151, discovered in 2023 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

10.62

Earth masses

0500 M⊕

Orbital Period

389.7

days

0.1d10,000d

Distance

8.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

10.62

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Blanco-Pozo et al. 2023

Orbital Period

389.700+5.4006.500days

Semi-Major Axis

0.5714+0.00530.0064au

M sin(i) (Earth masses)

10.62+1.311.47

M sin(i) (Jupiter masses)

0.0334+0.00410.0046

Radial Velocity Semi-Amplitude

3.10+0.380.43m/s

Distance from Earth

8.0 pc (~26 ly)

Spectral Type

M 4.5V

Temperature

3280 K

Mass (Solar)

0.16 M☉

Radius (Solar)

0.18 R☉

Luminosity

-2.48 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

177.7305°, 48.3732°

Discovery Method

Radial Velocity

Discovery Year

2023

Data Sources

Source ID: GJ 1151 c

System Context

GJ 1151 c orbits GJ 1151 and was reported in 2023 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 10.62 Earth masses (M sin i) and an orbital period of 389.7 days.

Catalog data places the system at about 8 parsecs from Earth, a host star classified as M 4.5V, 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 GJ 1151