Planet K2-222 b

Detailed information about planet K2-222 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name

K2-222 b

Planet Status

Confirmed

Discovered in

2018

Publication Status

—

Update

2025-02-11

Mass

0.0179 (\pm 0.0082)

M_J 2 publications

Planet Masses, Radii, and Orbits from NASA's K2 Mission
K2-79b and K2-222b: Mass measurements of two small exoplanets with periods beyond 10 days that overlap with periodic magnetic activity signals

Mass*sin(i)

—

Semi-Major Axis

0.1211 (\begin{matrix} + 0.0016 \\ - 0.0017 \end{matrix})

AU 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Orbital Period

15.3863 (\pm 0.0014)

day 3 publications

Planet Masses, Radii, and Orbits from NASA's K2 Mission
K2-79b and K2-222b: Mass measurements of two small exoplanets with periods beyond 10 days that overlap with periodic magnetic activity signals
Sixty Validated Planets from K2 Campaigns 5-8

Eccentricity

0.16 (\begin{matrix} + 0.09 \\ - 0.1 \end{matrix})

1 publication

K2-79b and K2-222b: Mass measurements of two small exoplanets with periods beyond 10 days that overlap with periodic magnetic activity signals

Angular distance

—

ω

2.77 (\begin{matrix} + 1.2 \\ - 1.0 \end{matrix})

deg 1 publication

K2-79b and K2-222b: Mass measurements of two small exoplanets with periods beyond 10 days that overlap with periodic magnetic activity signals

T_peri

—

Radius

0.215 (\begin{matrix} + 0.0152 \\ - 0.0071 \end{matrix})

R_J 3 publications

Planet Masses, Radii, and Orbits from NASA's K2 Mission
K2-79b and K2-222b: Mass measurements of two small exoplanets with periods beyond 10 days that overlap with periodic magnetic activity signals
Sixty Validated Planets from K2 Campaigns 5-8

Inclination

—

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2457399.0594 (\pm 0.0032)

Secondary transit

—

λ

—

Impact Parameter b

0.41 (\begin{matrix} + 0.33 \\ - 0.28 \end{matrix})

1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

878.0 (\pm 17.0)

K 2 publications

K2-79b and K2-222b: Mass measurements of two small exoplanets with periods beyond 10 days that overlap with periodic magnetic activity signals
Sixty Validated Planets from K2 Campaigns 5-8

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J01055095+1145123 b, EPIC 220709978 b, EPIC 220709978.01, TYC 615-587-1 b, WISE J010550.98+114513.0 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

K2-222

Distance

101.59 (\begin{matrix} + 0.64 \\ - 0.64 \end{matrix})

Spectral type

—

Apparent magnitude V

—

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.0 (\begin{matrix} + 0.04 \\ - 0.04 \end{matrix})

M_Sun

Age

—

Effective temperature

6058.0 (\begin{matrix} + 89.0 \\ - 89.0 \end{matrix})

Radius

1.09 (\begin{matrix} + 0.02 \\ - 0.02 \end{matrix})

R_Sun

Metallicity [Fe/H]

-0.21 (\begin{matrix} + 0.06 \\ - 0.06 \end{matrix})

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

01:05:50.9

Dec₂₀₀₀

+11:45:12.3

Alternate Names

2MASS J01055095+1145123, EPIC 220709978, TYC 615-587-1, WISE J010550.98+114513.0

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-222 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-222 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Constraining Small Planet Compositions for Future Missions

Planet Masses, Radii, and Orbits from NASA's K2 Mission

K2-79b and K2-222b: Mass measurements of two small exoplanets with periods beyond 10 days that overlap with periodic magnetic activity signals

Detailed chemical compositions of planet-hosting stars: II. Exploration of the interiors of terrestrial-type exoplanets

Sixty Validated Planets from K2 Campaigns 5-8