Planet K2-399 b

Detailed information about planet K2-399 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-399 b

Planet Status

Controversial

Discovered in

2022

Update

2024-08-22

Mass

0.10156 (\pm 0.06972)

M_J 1 publication

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

Mass*sin(i)

—

Semi-Major Axis

0.01635 (\begin{matrix} + 0.000643 \\ - 0.000724 \end{matrix})

Orbital Period

0.759978 (\pm 1e-05)

day 1 publication

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

Eccentricity

—

ω

—

T_peri

—

Radius

0.53966 (\begin{matrix} + 0.09341 \\ - 0.04291 \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

Spectrum

Radius Meas. Method

Primary Transit

Primary transit

2457906.2191 (\pm 0.0006)

Secondary transit

—

λ

—

Impact Parameter b

0.974 (\begin{matrix} + 0.012 \\ - 0.008 \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

26.62 (\pm 18.49)

m/s

Calculated temperature

2780.0 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

TOI-4838 b, TOI-4838.01

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

K2-399

Distance

515.491 (\begin{matrix} + 12.347 \\ - 11.793 \end{matrix})

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

G2IV

Apparent magnitude V

12.48

Mass

1.01 (\begin{matrix} + 0.122 \\ - 0.13 \end{matrix})

M_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Age

—

Effective temperature

5690.18 (\begin{matrix} + 166.129 \\ - 116.199 \end{matrix})

K 1 publication

The Revised TESS Input Catalog and Candidate Target List

Radius

1.66 (\begin{matrix} + 0.1097 \\ - 0.0908 \end{matrix})

R_Sun 1 publication

The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

0.252 (\pm 0.036)

1 publication

The Revised TESS Input Catalog and Candidate Target List

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

10:32:17.6

Dec₂₀₀₀

+02:14:16.5

Alternate Names

EPIC 248472140, TOI-4838

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-399 b

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 0 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-399 b

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 0 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

K2-399 b is not a planet. The Saturn that wandered through the Neptune desert is actually a hierarchical eclipsing binary

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

The Revised TESS Input Catalog and Candidate Target List