K2-99 b
Orbiting K2-99
K2-99 b is an exoplanet orbiting the star K2-99, discovered in 2016 using the Transit method. It is a Jupiter-sized world.
Radius
11.88
Earth radii
Mass
276.51
Earth masses
Orbital Period
18.2
days
Distance
519.2
parsecs
Equilibrium Temp
1184
K
Radius (Earth radii)
11.88
Mass (Earth masses)
276.51
Measured
Equilibrium Temperature
1184 K
Parameter source: Smith et al. 2022
Orbital Period
18.248+0.000−0.000days
Semi-Major Axis
0.1530+0.0010−0.0010au
Planet Mass (Earth masses)
276.51+6.36−6.36
Planet Mass (Jupiter masses)
0.8700+0.0200−0.0200
Eccentricity
0.2200+0.0100−0.0100
Argument of Periastron
334.0+4.0−4.0deg
Radial Velocity Semi-Amplitude
54.00+1.00−1.00m/s
Distance from Earth
519.2 pc (~1693 ly)
Spectral Type
Unknown
Temperature
6069 K
Mass (Solar)
1.44 M☉
Radius (Solar)
2.55 R☉
Luminosity
0.90 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
208.7738°, -5.4425°
Discovery Method
Transit
Discovery Year
2016
Source ID: K2-99 b
K2-99 b orbits K2-99 and was reported in 2016 and was detected with the Transit method.
Published measurements list a radius of 11.88 Earth radii, a mass of 276.51 Earth masses, an orbital period of 18.25 days, and an equilibrium temperature near 1,184 K.
Catalog data places the system at about 519.2 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 K2-99More planets in this system