Exoplanet

K2-266 b

Orbiting K2-266

Overview

K2-266 b is an exoplanet orbiting the star K2-266, discovered in 2018 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

3.30

Earth radii

015 R⊕

Mass

11.27

Earth masses

0500 M⊕

Orbital Period

0.7

days

0.1d10,000d

Distance

77.6

parsecs

Nearby10,000 pc

Equilibrium Temp

1515

K

150 K3,500 K

Radius (Earth radii)

3.30

Mass (Earth masses)

11.27

Measured

Equilibrium Temperature

1515 K

Parameter source: Rodriguez et al. 2018

Orbital Period

0.659+0.0000.000days

Semi-Major Axis

0.0131+0.00020.0002au

M sin(i) / sin(i) (Earth masses)

11.27+11.3711.37

M sin(i) / sin(i) (Jupiter masses)

0.0355+0.03580.0358

Epoch of Periastron

2457945.72+0.000.00days(BJD-TDB)

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

Data Sources

Source ID: K2-266 b

System Context

K2-266 b orbits K2-266 and was reported in 2018 and was detected with the Transit method.

Published measurements list a radius of 3.3 Earth radii, a calculated mass of 11.27 Earth masses (M sin(i) / sin(i)), an orbital period of 0.66 days, and an equilibrium temperature near 1,515 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

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