K2-99 c
Orbiting K2-99
K2-99 c is an exoplanet orbiting the star K2-99, discovered in 2022 using the Radial Velocity method.
Minimum Mass (M sin i)
2669.76
Earth masses
Orbital Period
522.2
days
Distance
519.2
parsecs
Equilibrium Temp
390
K
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
2669.76
Radial-velocity minimum
Equilibrium Temperature
390 K
Parameter source: Smith et al. 2022
Orbital Period
522.200+1.400−1.400days
Semi-Major Axis
1.4300+0.0100−0.0100au
M sin(i) (Earth masses)
2669.76+63.57−63.57
M sin(i) (Jupiter masses)
8.4000+0.2000−0.2000
Eccentricity
0.2100+0.0090−0.0090
Epoch of Periastron
2458025.60+2.80−2.80days(BJD-TDB)
Argument of Periastron
13.0+2.0−2.0deg
Radial Velocity Semi-Amplitude
170.00+2.00−2.00m/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
Radial Velocity
Discovery Year
2022
Source ID: K2-99 c
K2-99 c orbits K2-99 and was reported in 2022 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 2,669.76 Earth masses (M sin i), an orbital period of 522.2 days, and an equilibrium temperature near 390 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