Imaginary Picture of Kepler-227 c

Display orbital revolution of Kepler-227 c around the hoststar Kepler-227
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Exoplanet Name : Kepler-227 c
Alternate Name : "2MASS J19274421+4808299 c, K00752.02, KIC 10797460 c, KOI-752 c, KOI-752.02, WISE J192744.21+480830.0 c"
Status : Confirmed
Radius (Rjup / Re): 0.2710 (Rjup) 3.0376 (Rearth)
Mass (Mjup / Me): 0.0233 (Mjup) 7.4143 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2900 (AU) 0.2900 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1490
Orbital Period(Observed/Estimated) 54.42 (Days Obs.) 57.92 (Days Est.)
Surface Gravity (G Earth) 0.8035
Star Radiation at Atmospheric Boundary: 12361.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 470.6 (K)
Blackbody T 0.3(K) 442.0 (K)
Blackbody T 0.7(K) 357.6 (K)
Tidally Locked Blackbody T 0.1(K) 559.7 (K)
Tidally Locked Blackbody T 0.3(K) 525.6 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-227
Alternate Name : "2MASS J19274421+4808299, KIC 10797460, KOI-752, WISE J192744.21+480830.0"
Star Distance(LY) : 3534.4
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5539 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.9
Apparent Magnitude: 14.1
Right Ascension(RA) 291.9342
Declination (DEC) 48.1417
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-227+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-227%20c/
Kepler-227 c
Kepler-227 c

  • Kepler-227 c is an exoplanet orbiting the star Kepler-227, located about 3534.4 light-years (1083.6 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-227 has apparent magnitude of 14.1, with absolute magnitude of 3.9.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5539 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-227 c orbits around the star Kepler-227 every 54.4 days with its orbital distance of 0.29 AU ( 43383382.5 km)
  • (Projected orbit of Kepler-227 c around its host star Kepler-227)


  • The Star Kepler-227 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.631 AU ( 94359809.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.872 AU ( 130429915.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.329 AU ( 198746327.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.955 AU ( 292463927.6 km)
  • Radiation at Planetary Boundary of Kepler-227 c : 12361.37 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-227)



  • Kopparapu Recent Venus for Star Kepler-227 distance : 0.663 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-227 distance : 0.840 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-227 distance : 0.811 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-227 distance : 0.889 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-227 distance : 1.493 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-227 distance : 1.575 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-227)



  • Original Kopparapu Recent Venus for Star Kepler-227 distance : 0.661 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-227 distance : 0.864 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-227 distance : 0.875 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-227 distance : 1.519 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-227 distance : 1.579 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-227)



    (Position in Stellar Map of star Kepler-227 and its Exoplanet Kepler-227 c)



    (Zoomed position in Stellar Map of star Kepler-227 and its Exoplanet Kepler-227 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-227*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102