Kepler-553 c
Orbiting Kepler-553
Kepler-553 c is an exoplanet orbiting the star Kepler-553, discovered in 2016 using the Transit method. It is a Jupiter-sized world.
Radius
11.58
Earth radii
Mass
2129.45
Earth masses
Orbital Period
328.2
days
Distance
728.5
parsecs
Equilibrium Temp
251
K
Radius (Earth radii)
11.58
Mass (Earth masses)
2129.45
Measured
Equilibrium Temperature
251 K
Parameter source: Dalba et al. 2024
Orbital Period
328.240+0.000−0.000days
Semi-Major Axis
0.8980+0.0150−0.0120au
Planet Mass (Earth masses)
2129.45+139.84−136.67
Planet Mass (Jupiter masses)
6.7000+0.4400−0.4300
Eccentricity
0.3460+0.0200−0.0240
Epoch of Periastron
2454935.80+4.20−4.00days(BJD-TDB)
Argument of Periastron
-48.2+3.6−3.0deg
Radial Velocity Semi-Amplitude
226.00+13.00−13.00m/s
Distance from Earth
728.5 pc (~2376 ly)
Spectral Type
Unknown
Temperature
5191 K
Mass (Solar)
0.89 M☉
Radius (Solar)
0.90 R☉
Luminosity
-0.27 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
298.5509°, 48.3325°
Discovery Method
Transit
Discovery Year
2016
Source ID: Kepler-553 c
Kepler-553 c orbits Kepler-553 and was reported in 2016 and was detected with the Transit method.
Published measurements list a radius of 11.58 Earth radii, a mass of 2,129.45 Earth masses, an orbital period of 328.24 days, and an equilibrium temperature near 251 K.
Catalog data places the system at about 728.5 parsecs from Earth and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open Kepler-553More planets in this system