Imaginary Picture of Kepler-223 e

Display orbital revolution of Kepler-223 e around the hoststar Kepler-223
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Exoplanet Name : Kepler-223 e
Alternate Name : "2MASS J19531640+4716461 e, K00730.03, KIC 10227020 e, KOI-730 e, KOI-730.03, WISE J195316.39+471645.8 e"
Status : Confirmed
Radius (Rjup / Re): 0.4100 (Rjup) 4.5957 (Rearth)
Mass (Mjup / Me): 0.0151 (Mjup) 4.8009 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1400 (AU) 0.1400 (AU Est.)
Eccentricity : 0.0510
Orbital Period(Yrs) 0.0540
Orbital Period(Observed/Estimated) 19.73 (Days Obs.) 18.08 (Days Est.)
Surface Gravity (G Earth) 0.2273
Star Radiation at Atmospheric Boundary: 177048.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 915.5 (K)
Blackbody T 0.3(K) 859.8 (K)
Blackbody T 0.7(K) 695.6 (K)
Tidally Locked Blackbody T 0.1(K) 1088.7 (K)
Tidally Locked Blackbody T 0.3(K) 1022.4 (K)
Size Class: 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-223
Alternate Name : "2MASS J19531640+4716461, KIC 10227020, KOI-730, WISE J195316.39+471645.8"
Star Distance(LY) : 6091.4
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5697 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.2
Absolute Magnitude: 2.7
Apparent Magnitude: 14.1
Right Ascension(RA) 298.3184
Declination (DEC) 47.2795
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-223+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-223%20e/
Kepler-223 e
Kepler-223 e

  • Kepler-223 e is an exoplanet orbiting the star Kepler-223, located about 6091.4 light-years (1867.6 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-223 has apparent magnitude of 14.1, with absolute magnitude of 2.7.
  • It is 1.1 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 5697 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-223 e orbits around the star Kepler-223 every 19.7 days with its orbital distance of 0.14 AU ( 20943701.9 km)
  • (Projected orbit of Kepler-223 e around its host star Kepler-223)


  • The Star Kepler-223 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.152 AU ( 172396920.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.593 AU ( 238297597.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.427 AU ( 363112803.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.572 AU ( 534336397.1 km)
  • Radiation at Planetary Boundary of Kepler-223 e : 177048.20 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-223)



  • Kopparapu Recent Venus for Star Kepler-223 distance : 1.200 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-223 distance : 1.520 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-223 distance : 1.468 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-223 distance : 1.609 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-223 distance : 2.690 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-223 distance : 2.837 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-223)



  • Original Kopparapu Recent Venus for Star Kepler-223 distance : 1.200 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-223 distance : 1.562 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-223 distance : 1.588 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-223 distance : 2.737 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-223 distance : 2.846 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-223)



    (Position in Stellar Map of star Kepler-223 and its Exoplanet Kepler-223 e)



    (Zoomed position in Stellar Map of star Kepler-223 and its Exoplanet Kepler-223 e (zoom level 3))

    (Synthetic Spectrum of star Kepler-223*)
    *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