Planet K2-204 b

Detailed information about planet K2-204 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name

K2-204 b

Planet Status

Confirmed

Discovered in

2018

Publication Status

—

Update

2026-08-16

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.0738 (\pm 0.002)

AU 1 publication

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission

Orbital Period

7.055908 (\begin{matrix} + 5.8e-05 \\ - 7.4e-05 \end{matrix})

day 2 publications

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Eccentricity

0.28 (\begin{matrix} + 0.37 \\ - 0.19 \end{matrix})

1 publication

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission

Angular distance

—

ω

-88.0 (\begin{matrix} + 61.0 \\ - 63.0 \end{matrix})

deg 1 publication

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission

T_peri

—

Radius

0.2828 (\begin{matrix} + 0.0161 \\ - 0.0143 \end{matrix})

R_J 2 publications

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Inclination

88.76 (\begin{matrix} + 0.86 \\ - 1.0 \end{matrix})

deg 2 publications

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

0.27 (\begin{matrix} + 0.27 \\ - 0.19 \end{matrix})

1 publication

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

1148.0 (\begin{matrix} + 25.0 \\ - 24.0 \end{matrix})

K 1 publication

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

WISE J010931.80-003103.7 b, EPIC 220186645 b, EPIC 220186645.01, 2MASS J01093180-0031031 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

K2-204

Distance

577.235 (\begin{matrix} + 17.82 \\ - 16.8 \end{matrix})

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

G2IV-V

Apparent magnitude V

12.98

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.076 (\begin{matrix} + 0.092 \\ - 0.086 \end{matrix})

M_Sun 2 publications

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Age

6.5 (\begin{matrix} + 3.7 \\ - 3.1 \end{matrix})

Gyr 1 publication

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission

Effective temperature

5783.0 (\begin{matrix} + 100.0 \\ - 98.0 \end{matrix})

K 2 publications

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Radius

1.253 (\begin{matrix} + 0.053 \\ - 0.055 \end{matrix})

R_Sun 2 publications

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Metallicity [Fe/H]

0.21 (\begin{matrix} + 0.18 \\ - 0.19 \end{matrix})

2 publications

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

01:09:31.8

Dec₂₀₀₀

-00:31:03.4

Alternate Names

WISE J010931.80-003103.7, EPIC 220186645, 2MASS J01093180-0031031

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-204 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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-204 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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

The K2 and TESS Synergy. II. Revisiting 26 Systems in the TESS Primary Mission

The strongly irradiated planets in Praesepe

The Revised TESS Input Catalog and Candidate Target List

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