GJ 649 b
Orbiting GJ 649
GJ 649 b is an exoplanet orbiting the star GJ 649, discovered in 2009 using the Radial Velocity method.
Minimum Mass (M sin i)
82.00
Earth masses
Orbital Period
600.1
days
Distance
10.4
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
82.00
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Pinamonti et al. 2023
Orbital Period
600.100+1.700−1.700days
Semi-Major Axis
1.1120+0.0350−0.0370au
M sin(i) (Earth masses)
82.00+7.31−6.99
M sin(i) (Jupiter masses)
0.2580+0.0230−0.0220
Eccentricity
0.0830+0.0680−0.0550
Argument of Periastron
3.0+42.0−41.0deg
Radial Velocity Semi-Amplitude
9.71+0.55−0.53m/s
Distance from Earth
10.4 pc (~34 ly)
Spectral Type
M1.0
Temperature
3734 K
Mass (Solar)
0.51 M☉
Radius (Solar)
0.50 R☉
Luminosity
-1.36 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
254.5363°, 25.7420°
Discovery Method
Radial Velocity
Discovery Year
2009
Source ID: GJ 649 b
GJ 649 b orbits GJ 649 and was reported in 2009 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 82 Earth masses (M sin i) and an orbital period of 600.1 days.
Catalog data places the system at about 10.4 parsecs from Earth, a host star classified as M1.0, 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 649