Planet Kepler-20 Ag

Detailed information about planet Kepler-20 Ag and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-20 Ag

Planet Status

Confirmed

Discovered in

2016

Update

2024-08-03

Mass

0.06598 (\pm 0.0106)

M_J

Mass*sin(i)

0.06598 (\pm 0.0106)

M_J 2 publications

The Kepler Giant Planet Search. I. A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory
A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system

Semi-Major Axis

0.2055 (\begin{matrix} + 0.0022 \\ - 0.0021 \end{matrix})

AU 2 publications

The Kepler Giant Planet Search. I. A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory
A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system

Orbital Period

34.951009 (\pm 0.04344)

day 2 publications

The Kepler Giant Planet Search. I. A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory
A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system

Eccentricity

0.15 (\begin{matrix} + 0.01 \\ - 0.1 \end{matrix})

1 publication

A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system

ω

—

T_peri

—

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

2454967.50027 (\begin{matrix} + 0.00058 \\ - 0.00068 \end{matrix})

JD 1 publication

A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

4.268 (\pm 0.686)

m/s 2 publications

The Kepler Giant Planet Search. I. A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory
A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system

Calculated temperature

524.0 (\pm 12.0)

K 1 publication

A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

WISE J191047.52+422019.0 g, Kepler-20 g, KOI-70 g, KIC 6850504 g, 2MASS J19104752+4220194 g

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

Kepler-20 A

Distance

282.563 (\begin{matrix} + 1.776 \\ - 1.753 \end{matrix})

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

G6V

Apparent magnitude V

12.5

Mass

0.929 (\pm 0.053)

M_Sun 1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Age

5.6 (\begin{matrix} + 4.5 \\ - 3.5 \end{matrix})

Gyr 1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Effective temperature

5495.0 (\pm 50.0)

K 1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Radius

0.9164 (\begin{matrix} + 0.0987 \\ - 0.0077 \end{matrix})

R_Sun 1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Metallicity [Fe/H]

0.07 (\pm 0.08)

1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:10:47.5

Dec₂₀₀₀

+42:20:19.4

Alternate Names

WISE J191047.52+422019.0, Kepler-20, KOI-70, KIC 6850504, 2MASS J19104752+4220194

An M dwarf companion star lies 1085 AUs away.

No link

Simbad
Most recent references (ADS)

Planet Kepler-20 Ag

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 6 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Planet Kepler-20 Ag

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 6 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

The Kepler Giant Planet Search. I. A Decade of Kepler Planet-host Radial Velocities from W. M. Keck Observatory

Gaia Search for (sub)stellar Companions of Exoplanet Hosts

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

TESS Observations of Kepler Systems with Transit Timing Variations

Orbital obliquity sampling in the Kepler-20 system using the 3D animation software Blender

A compositional link between stars and their rocky planets

Exoplanet Imitators: A test of stellar activity behavior in radial velocity signals

The Revised TESS Input Catalog and Candidate Target List

A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system

On the structural law of exoplanetary systems

Two Earth-sized planets orbiting Kepler-20

Kepler-20: A Sun-like Star with Three Sub-Neptune Exoplanets and Two Earth-size Candidates