Planet Kepler-20 b

Name Kepler-20 b
Planet Status Confirmed
Discovered in 2011
Mass 0.0305 ( -0.00453 +0.00444 ) MJ +
Mass*sin(i)
Semi-Major Axis 0.0463 ( -0.0015 +0.0009 ) AU
Orbital Period 3.69611525 ( -8.7e-07 +1.15e-06 ) day
Eccentricity 0.03 ( -0.03 +0.09 )
ω
Tperi
Radius 0.1667 ( -0.003 +0.0059 ) RJ +
Inclination 87.355 ( -1.594 +0.215 ) deg
Update 2016-08-26
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2454967.50201 ( -0.000217 +0.000253 ) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 4.2 ( -0.65 +0.55 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

Kepler-20
Name Kepler-20
Distance 290.0 (± 30.0) pc
Spectral type G8
Apparent magnitude V 12.5
Mass 0.912 (± 0.035) MSun
Age 8.8 ( -2.7 +2.7 ) Gyr
Effective temperature 5466.0 (± 93.0) K
Radius 0.944 ( -0.095 +0.095 ) RSun
Metallicity [Fe/H] 0.02 (± 0.04)
Detected Disc
Magnetic Field
RA2000 19:10:48.0
Dec2000 +42:20:19
Alternate Names
Planetary system
6 planets

Remarks

Alias 2MASS J19104752+4220194
Alias KOI-70

More data

Observability Predictor

Remarks

Alias KOI-70.02

Related publications

A 1.9 Earth radius rocky planet and the discovery of a non-transiting planet in the Kepler-20 system
2016 BUCHHAVE, L., DRESSING, C., DUMUSQUE, X., RICE, K, VANDERBURG, A. & 33 additional authors
Astron. J., 152, 160
paper  arxiv  ADS  

Stealing the Gas: Giant Impacts and the Large Diversity in Exoplanet Densities
2016 INAMDAR N. & SCHLICHTING H.
Apj Letters, 817, L13
paper   arxiv   ADS  

Dynamics of the 3/1 planetary mean-motion resonance. An application to the HD60532 b-c planetary system
2015 ALVES A., MICHTCHENKO T. & TADEU dos SANTOS
Cel.Mech. & Dyn. Astron., 124, 311
arxiv   paper   ADS  

Detailed Abundances of Stars with Small Planets Discovered by Kepler I: The First Sample
2015 SCHULER S., VAZ Z., KATIME SANTRICH O., CUNHA K. et al.
ApJ, 815, 5
paper  arxiv  ADS

Inside-Out Planet Formation
2014 CHATTERJEE S. & TAN J.
ApJ Letters, 780, 53
paper   arxiv   ADS  

Understanding the Mass-Radius Relation for Sub-Neptunes: Radius as a Proxy for Composition
2014 LOPEZ E. & FORTNEY J.
ApJ, 792, 1
paper   arxiv   ADS  

The Mass-Radius Relation Between 65 Exoplanets Smaller than 4 Earth Radii
2014 WEISS L. & MARCY G.
ApJ Letters, 783, L6
paper   arxiv   ADS  

Gravitational quantization of exoplanet orbits in 55 Cnc, $\upsilon$ And, Kepler-11, Kepler-20, and Kepler-90
2014 GEROYANNIS V.
arxiv  

Dynamics of Rotation of Super-Earths
2013 CALLEGARI N. & RODRIGUEZ J.
Cel. mech. & Dyn. Astron., 116, 389
arxiv   paper

Decoupling Phase Variations in Multi-Planet Systems
2012 KANE S. & GELINO D.
ApJ, accepted
arxiv  

A Correlation Between the Eclipse Depths of Kepler Gas Giant Candidates and the Metallicities of their Parent Stars
2012 DODSON-ROBINSON S.
ApJ., 752, Issue 1, 72, 9 pp
paper   arxiv

A Uniformly Derived Catalogue of Exoplanets from Radial Velocities
2012 HOLLIS M., BALAN S., LEVER G. & LAHAV O.
MNRAS, 423, Issue 3, 2800-2814
paper  arxiv

Two Earth-sized planets orbiting Kepler-20
2012 FRESSIN F., TORRES G., ROWE J., CHARBONNEAU D., ROGERS L. & 30 additional authors
Nature, 482, 195
paper   arxiv

Kepler-20: A Sun-like Star with Three Sub-Neptune Exoplanets and Two Earth-size Candidates
2011 GAUTIER Th., CHARBONNEAU D., ROWE J., MARCY G., ISAACSON H., TORRES G. & 38 additional authors
ApJ., 749, 15
paper   arxiv

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5