Planet K2-157 b

Detailed information about planet K2-157 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name

K2-157 b

Mass

0.00359 (\begin{matrix} + 0.00123 \\ - 0.00129 \end{matrix})

M_J

Mass*sin(i)

—

Semi-Major Axis

0.00962 (\pm 0.0001)

AU 1 publication

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

Orbital Period

0.3652575 (\begin{matrix} + 7.8e-05 \\ - 8.8e-05 \end{matrix})

day 2 publications

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Eccentricity

—

ω

—

T_peri

—

Radius

0.08342 (\pm 0.008)

R_J 2 publications

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Inclination

89.2 (\begin{matrix} + 9.3 \\ - 9.1 \end{matrix})

deg 2 publications

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

2432.0 (\pm 42.0)

K 1 publication

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

Measured temperature

—

Hottest point longitude

—

Surface gravity log(g/g_H)

—

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

K2-157

Distance

290.2 pc 1 publication

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

Spectral type

G8V

Apparent magnitude V

12.79

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.89 (\pm 0.029)

M_Sun 1 publication

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

Age

8.8 (\pm 4.0)

Gyr 1 publication

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

Effective temperature

5334.0 (\pm 64.0)

K 1 publication

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

Radius

0.86 (\pm 0.019)

R_Sun 1 publication

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

Metallicity [Fe/H]

0.02 (\pm 0.04)

1 publication

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

12:15:00.3

Dec₂₀₀₀

-05:46:55.2

Alternate Names

EPIC 201130233, WISE J121500.34-054655.2, 2MASS J12150031-0546550

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-157 b

Planet

Basic informations 20 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 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-157 b

Planet

Basic informations 20 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 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Two neighbours to the ultra-short-period Earth-sized planet K2-157 b in the warm Neptunian savanna

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