K2-266 e
Orbiting K2-266
K2-266 e is an exoplanet orbiting the star K2-266, discovered in 2018 using the Transit method. It is a Mini-Neptune world.
Radius
2.73
Earth radii
Mass
14.30
Earth masses
Orbital Period
19.5
days
Distance
77.6
parsecs
Equilibrium Temp
490
K
Radius (Earth radii)
2.73
Mass (Earth masses)
14.30
Measured
Equilibrium Temperature
490 K
Parameter source: Rodriguez et al. 2018
Orbital Period
19.482+0.001−0.001days
Semi-Major Axis
0.1249+0.0019−0.0020au
Planet Mass (Earth masses)
14.30+6.40−5.00
Planet Mass (Jupiter masses)
0.0450+0.0201−0.0157
Eccentricity
0.0430+0.0360−0.0300
Epoch of Periastron
2457938.60+2.90−2.90days(BJD-TDB)
Argument of Periastron
89.0+57.0−58.0deg
Distance from Earth
77.6 pc (~253 ly)
Spectral Type
Unknown
Temperature
4285 K
Mass (Solar)
0.69 M☉
Radius (Solar)
0.70 R☉
Luminosity
-0.82 log L☉
Planets in System
4
Stars in System
2
Coordinates (RA, Dec)
157.9357°, 0.9373°
Discovery Method
Transit
Discovery Year
2018
Source ID: K2-266 e
K2-266 e orbits K2-266 and was reported in 2018 and was detected with the Transit method.
Published measurements list a radius of 2.73 Earth radii, a mass of 14.3 Earth masses, an orbital period of 19.48 days, and an equilibrium temperature near 490 K.
Catalog data places the system at about 77.6 parsecs from Earth and 4 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open K2-266