Kepler-66

Kepler-66
Observation data
Epoch J2000      Equinox J2000
Constellation Cygnus
Right ascension 19h 35m 56s
Declination +46° 41 16
Apparent magnitude (V) 15.3
Characteristics
Spectral type G0V
Astrometry
Proper motion (μ) RA: 19:35:56 mas/yr
Dec.: +46:41:16 mas/yr
Distance3610 ± 293 ly
(1107 ± 90 pc)
Details
Mass1.038 ± 0.044 M
Radius0.966 ± 0.042 R
Temperature5962 ± 79 K K
Metallicity [Fe/H]0.012 ± 0.003 dex
Age1 ± 0.17 Gyr
Other designations
Kepler-66
Database references
SIMBADdata
Extrasolar Planets
Encyclopaedia
data

Kepler-66 is a star with slightly more mass than the Sun in the NGC 6811 open cluster in the Cygnus constellation and has one confirmed planet, slightly smaller than Neptune, announced in 2013.

Planetary system

The Kepler-66 planetary system
Companion
(in order from star)
Mass Semimajor axis
(AU)
Orbital period
(days)
Eccentricity Inclination Radius
b 0.31 MJ 0.1352 17.815815 2.799976578 R


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