2MASS J19383260+4603591 b
Orbiting 2MASS J19383260+4603591
2MASS J19383260+4603591 b is an exoplanet orbiting the star 2MASS J19383260+4603591, discovered in 2015 using the Eclipse Timing Variations method.
Minimum Mass (M sin i)
591.16
Earth masses
Orbital Period
406.0
days
Distance
396.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
591.16
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Esmer et al. 2022
Orbital Period
406.000+4.000−4.000days
M sin(i) (Earth masses)
591.16+15.89−15.89
M sin(i) (Jupiter masses)
1.8600+0.0500−0.0500
Eccentricity
0.3300+0.0500−0.0500
Epoch of Periastron
2455131.00+11.00−11.00days(BJD-TDB)
Argument of Periastron
302.0+8.0−8.0deg
Distance from Earth
396.3 pc (~1293 ly)
Spectral Type
Unknown
Temperature
29564 K
Mass (Solar)
0.48 M☉
Radius (Solar)
0.20 R☉
Luminosity
Unknown
Planets in System
3
Stars in System
2
Coordinates (RA, Dec)
294.6359°, 46.0664°
Discovery Method
Eclipse Timing Variations
Discovery Year
2015
Source ID: 2MASS J19383260+4603591 b
2MASS J19383260+4603591 b orbits 2MASS J19383260+4603591 and was reported in 2015 and was detected with the Eclipse Timing Variations method.
Published measurements list a minimum mass of 591.16 Earth masses (M sin i) and an orbital period of 406 days.
Catalog data places the system at about 396.3 parsecs from Earth and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open 2MASS J19383260+4603591More planets in this system