Planet K2-105 b

Detailed information about planet K2-105 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name

K2-105 b

Planet Status

Confirmed

Discovered in

2017

Publication Status

—

Update

2026-07-06

Mass

0.0157 (\pm 0.011)

M_J 2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
The K2-ESPRINT Project VI: K2-105 b, a Hot-Neptune around a Metal-rich G-dwarf

Mass*sin(i)

—

Semi-Major Axis

0.078 (\pm 0.0002)

AU 2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
Sixty Validated Planets from K2 Campaigns 5-8

Orbital Period

8.2669721 (\begin{matrix} + 8.2e-06 \\ - 7.7e-06 \end{matrix})

day 2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
Sixty Validated Planets from K2 Campaigns 5-8

Eccentricity

0.0 2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

Angular distance

—

ω

90.0 deg 1 publication

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

T_peri

—

Radius

0.28058 (\pm 0.00651)

R_J 2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
Sixty Validated Planets from K2 Campaigns 5-8

Inclination

88.21 (\pm 0.11)

deg 2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
The K2-ESPRINT Project VI: K2-105 b, a Hot-Neptune around a Metal-rich G-dwarf

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2457147.99107 (\pm 0.00117)

JD 1 publication

The K2-ESPRINT Project VI: K2-105 b, a Hot-Neptune around a Metal-rich G-dwarf

Secondary transit

—

λ

—

Impact Parameter b

0.66 (\begin{matrix} + 0.24 \\ - 0.39 \end{matrix})

2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
Sixty Validated Planets from K2 Campaigns 5-8

Time V_r=0

—

Velocity Semiamplitude K

1.7 (\begin{matrix} + 1.2 \\ - 1.0 \end{matrix})

m/s 2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

Calculated temperature

878.0 (\pm 5.0)

K 2 publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities
Sixty Validated Planets from K2 Campaigns 5-8

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

EPIC 211525389 b, EPIC 211525389.01, TYC 807-1019-1 b, WISE J082140.87+132951.1 b, TOI-5164.01

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

K2-105

Distance

199.28 (\begin{matrix} + 1.5 \\ - 1.5 \end{matrix})

pc 1 publication

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

Spectral type

G7V

Apparent magnitude V

11.75

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.925 (\pm 0.047)

M_Sun 1 publication

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

Age

5.1 (\pm 1.4)

Gyr 2 publications

The K2-ESPRINT Project VI: K2-105 b, a Hot-Neptune around a Metal-rich G-dwarf
The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

Effective temperature

5400.0 (\pm 109.0)

K 1 publication

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

Radius

0.887 (\pm 0.036)

R_Sun 1 publication

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

Metallicity [Fe/H]

0.16 (\pm 0.02)

1 publication

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

08:21:40.9

Dec₂₀₀₀

+13:29:51.1

Alternate Names

EPIC 211525389, TYC 807-1019-1, TOI-5164, 2MASS J08214087+1329512, WISE J082140.87+132951.1

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-105 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-105 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

The small transiting planet population revealed by ESPRESSO with extreme precision radial velocities

DREAM. III. A helium survey in exoplanets on the edge of the hot Neptune desert with GIANO-B at TNG

Sixty Validated Planets from K2 Campaigns 5-8

The K2-ESPRINT Project VI: K2-105 b, a Hot-Neptune around a Metal-rich G-dwarf