Planet K2-389 c

Detailed information about planet K2-389 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-389 c

Planet Status

Confirmed

Discovered in

2022

Update

2024-05-28

Mass

0.01655 (\pm 0.00859)

M_J 1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Mass*sin(i)

—

Semi-Major Axis

0.1378 (\begin{matrix} + 0.018 \\ - 0.0158 \end{matrix})

Orbital Period

20.851337 (\begin{matrix} + 0.0028 \\ - 0.002981 \end{matrix})

day 1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Eccentricity

—

ω

—

T_peri

—

Radius

0.182 (\begin{matrix} + 0.01347 \\ - 0.01231 \end{matrix})

R_J 1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Inclination

—

Detection Method

Primary Transit

Mass Meas. Method

Theoretical

Radius Meas. Method

Primary Transit

Primary transit

2457747.1012 JD

Secondary transit

—

λ

—

Impact Parameter b

0.399 (\begin{matrix} + 0.178 \\ - 0.243 \end{matrix})

1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Time V_r=0

—

Velocity Semiamplitude K

1.42 (\pm 0.82)

m/s

Calculated temperature

780.0 K 1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

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

K2-389

Distance

259.208 (\begin{matrix} + 2.95 \\ - 2.885 \end{matrix})

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

G2V

Apparent magnitude V

11.71

Mass

0.802 (\begin{matrix} + 0.357 \\ - 0.246 \end{matrix})

M_Sun 1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Age

—

Effective temperature

5782.0 (\pm 138.0)

K 1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Radius

1.084 (\begin{matrix} + 0.067 \\ - 0.061 \end{matrix})

R_Sun 1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Metallicity [Fe/H]

-0.034 (\pm 0.235)

1 publication

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

23:42:31.3

Dec₂₀₀₀

-09:42:48.9

Alternate Names

EPIC 245991048, TYC 5830-96-1

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-389 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-389 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Scaling K2. V. Statistical Validation of 60 New Exoplanets From K2 Campaigns 2-18

The Revised TESS Input Catalog and Candidate Target List