Planet K2-223 c

Detailed information about planet K2-223 c and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name

K2-223 c

Planet Status

Confirmed

Discovered in

2018

Publication Status

—

Update

2026-09-03

Mass

0.0132 (\pm 0.0041)

M_J 1 publication

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet

Mass*sin(i)

—

Semi-Major Axis

0.0551 (\pm 0.0012)

AU 2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
44 Validated Planets from K2 Campaign 10

Orbital Period

4.56395 (\begin{matrix} + 0.00034 \\ - 0.00033 \end{matrix})

day 2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
44 Validated Planets from K2 Campaign 10

Eccentricity

0.0 1 publication

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet

Angular distance

—

ω

88.2 (\begin{matrix} + 1.1 \\ - 1.0 \end{matrix})

deg 1 publication

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet

T_peri

—

Radius

0.1258 (\pm 0.0134)

R_J 2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
44 Validated Planets from K2 Campaign 10

Inclination

88.2 (\begin{matrix} + 1.1 \\ - 1.0 \end{matrix})

deg 1 publication

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

0.38 (\begin{matrix} + 0.17 \\ - 0.22 \end{matrix})

2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
44 Validated Planets from K2 Campaign 10

Time V_r=0

—

Velocity Semiamplitude K

1.54 (\pm 0.49)

m/s 1 publication

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet

Calculated temperature

1191.0 (\begin{matrix} + 50.0 \\ - 34.0 \end{matrix})

K 2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
44 Validated Planets from K2 Campaign 10

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J12211347-1016552 c, EPIC 228721452 c, EPIC 228721452.02, WISE J122113.48-101655.4 c

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

K2-223

Distance

201.1 (\begin{matrix} + 2.5 \\ - 2.5 \end{matrix})

pc 1 publication

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet

Spectral type

G1V

Apparent magnitude V

11.4

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.07 (\pm 0.07)

M_Sun 2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Age

4.8 (\pm 2.9)

Gyr 1 publication

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet

Effective temperature

5858.0 (\pm 26.0)

K 2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Radius

1.05 (\pm 0.1)

R_Sun 2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Metallicity [Fe/H]

0.18 (\pm 0.06)

2 publications

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

12:21:13.5

Dec₂₀₀₀

-10:16:55.3

Alternate Names

2MASS J12211347-1016552, EPIC 228721452, WISE J122113.48-101655.4

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-223 c

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 K2-223 c

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

Mass constraints for the K2-223 system planets: An ultra-short-period sub-Earth, a short-period super-Earth, and a tentative long-period giant planet

275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

44 Validated Planets from K2 Campaign 10