Planet K2-229 c

Detailed information about planet K2-229 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-229 c

Planet Status

Confirmed

Discovered in

2018

Update

2021-02-05

Mass

0.067 (\begin{matrix} + 0.0 \\ - 0.067 \end{matrix})

M_J 1 publication

An Earth-sized exoplanet with a Mercury-like composition

Mass*sin(i)

—

Semi-Major Axis

0.0769 (\begin{matrix} + 0.0003 \\ - 0.0003 \end{matrix})

AU 1 publication

44 Validated Planets from K2 Campaign 10

Orbital Period

8.32727 (\begin{matrix} + 0.00041 \\ - 0.00043 \end{matrix})

day 1 publication

44 Validated Planets from K2 Campaign 10

Eccentricity

— 1 publication

An Earth-sized exoplanet with a Mercury-like composition

ω

—

T_peri

—

Radius

0.181 (\begin{matrix} + 0.011 \\ - 0.005 \end{matrix})

R_J 1 publication

44 Validated Planets from K2 Campaign 10

Inclination

87.94 (\pm 0.18)

deg 1 publication

An Earth-sized exoplanet with a Mercury-like composition

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

— 1 publication

An Earth-sized exoplanet with a Mercury-like composition

Secondary transit

—

λ

—

Impact Parameter b

0.39 (\begin{matrix} + 0.29 \\ - 0.27 \end{matrix})

1 publication

44 Validated Planets from K2 Campaign 10

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

750.0 (\begin{matrix} + 6.0 \\ - 6.0 \end{matrix})

K 1 publication

44 Validated Planets from K2 Campaign 10

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J12272958-0643188 c, EPIC 228801451 c, EPIC 228801451.02, TYC 4947-834-1 c, WISE J122729.52-064318.6 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

K2-229

Distance

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

Spectral type

G9

Apparent magnitude V

—

Mass

0.87 (\begin{matrix} + 0.01 \\ - 0.01 \end{matrix})

M_Sun

Age

5.4 (\begin{matrix} + 5.2 \\ - 3.7 \end{matrix})

Gyr 1 publication

An Earth-sized exoplanet with a Mercury-like composition

Effective temperature

5315.0 (\begin{matrix} + 35.0 \\ - 31.0 \end{matrix})

Radius

0.79 (\begin{matrix} + 0.01 \\ - 0.01 \end{matrix})

R_Sun

Metallicity [Fe/H]

-0.09 (\begin{matrix} + 0.02 \\ - 0.02 \end{matrix})

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

12:27:29.6

Dec₂₀₀₀

-06:43:18.7

Alternate Names

2MASS J12272958-0643188, EPIC 228801451, TYC 4947-834-1, WISE J122729.52-064318.6

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-229 c

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-229 c

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

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Homogeneous Analysis of Hot Earths: Masses, Sizes, and Compositions

An Earth-sized exoplanet with a Mercury-like composition

44 Validated Planets from K2 Campaign 10