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 |
Observability Predictor 
Remarks
Alias KOI-70.02Related publications
Discovery of the first Earth-sized planets orbiting a star other than our Sun in the Kepler-20 system
2019
TORRES G. & FRESSIN F.
New Astron. Rev., accepted
arxiv
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
The Mass-Radius Relation Between 65 Exoplanets Smaller than 4 Earth Radii
2014
WEISS L. & MARCY G.
ApJ Letters, 783, L6
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
Inside-Out Planet Formation
2014
CHATTERJEE S. & TAN J.
ApJ Letters, 780, 53
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
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
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
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
