K2-199 c
Orbiting K2-199
K2-199 c is an exoplanet orbiting the star K2-199, discovered in 2018 using the Transit method. It is a Mini-Neptune world.
Radius
2.85
Earth radii
Mass
12.40
Earth masses
Orbital Period
7.4
days
Distance
107.5
parsecs
Equilibrium Temp
694
K
Radius (Earth radii)
2.85
Mass (Earth masses)
12.40
Measured
Equilibrium Temperature
694 K
Parameter source: Akana Murphy et al. 2021
Orbital Period
7.374+0.000−0.000days
Semi-Major Axis
0.0662+0.0007−0.0007au
Planet Mass (Earth masses)
12.40+2.30−2.30
Planet Mass (Jupiter masses)
0.0390+0.0072−0.0072
Eccentricity
0.0300+0.0600−0.0300
Argument of Periastron
170.0+130.0−110.0deg
Radial Velocity Semi-Amplitude
5.10+1.00−1.00m/s
Distance from Earth
107.5 pc (~351 ly)
Spectral Type
Unknown
Temperature
4491 K
Mass (Solar)
0.71 M☉
Radius (Solar)
0.68 R☉
Luminosity
-0.73 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
208.9015°, -6.1361°
Discovery Method
Transit
Discovery Year
2018
Source ID: K2-199 c
K2-199 c orbits K2-199 and was reported in 2018 and was detected with the Transit method.
Published measurements list a radius of 2.85 Earth radii, a mass of 12.4 Earth masses, an orbital period of 7.37 days, and an equilibrium temperature near 694 K.
Catalog data places the system at about 107.5 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 K2-199More planets in this system