Planet Kepler-20 d

Name Kepler-20 d
Planet Status Confirmed
Discovered in 2011
Mass 0.03168 ( -0.0116 +0.0125 ) MJ
Mass*sin(i)
Semi-Major Axis 0.3506 ( -0.0101 +0.0081 ) AU
Orbital Period 77.61130017 ( -0.00011588 +0.00012305 ) day
Eccentricity < 0.6
ω
Tperi
Radius 0.2448 ( -0.0049 +0.0065 ) RJ
Inclination 89.708 ( -0.053 +0.165 ) deg
Update 2016-08-26
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2454997.7303 ( -0.001577 +0.001179 ) JD
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 1.57 ( -0.57 +0.62 ) 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-70.04

Related publications

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

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  

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  

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

Characterization of exoplanets from their formation II: The planetary mass-radius relationship
2012 MORDASINI Ch., ALIBERT Y., GEORGY C., DITTKRIST K.-M., KLAHR H. & HENNING Th.
Astron. & Astrophys., 547, A112
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

The Exoplanet Handbook
2011 Michael Perryman
Content
Content and Chapter 5

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