Imaginary Picture of Kepler-647 b

Display orbital revolution of Kepler-647 b around the hoststar Kepler-647
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Exoplanet Name : Kepler-647 b
Alternate Name : "2MASS J18590919+4435300 b, K00691.02, KIC 8480285 b, KOI-691 b, KOI-691.02, WISE J185909.19+443529.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.1040 (Rjup) 1.1657 (Rearth)
Mass (Mjup / Me): 0.0053 (Mjup) 1.6986 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1267 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0444
Orbital Period(Observed/Estimated) 16.23 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2499
Star Radiation at Atmospheric Boundary: 206999.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 952.0 (K)
Blackbody T 0.3(K) 894.0 (K)
Blackbody T 0.7(K) 723.4 (K)
Tidally Locked Blackbody T 0.1(K) 1132.1 (K)
Tidally Locked Blackbody T 0.3(K) 1063.2 (K)
Size Class: Earth-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-647
Alternate Name : "2MASS J18590919+4435300, KIC 8480285, KOI-691, WISE J185909.19+443529.8"
Star Distance(LY) : 3547.0
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 5914 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 2.7
Apparent Magnitude: 12.9
Right Ascension(RA) 284.7883
Declination (DEC) 44.5917
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 560 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-647%20b/
Kepler-647 b
Kepler-647 b

  • Kepler-647 b is an exoplanet orbiting the star Kepler-647, located about 3547.0 light-years (1087.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-647 has apparent magnitude of 12.9, with absolute magnitude of 2.7.
  • It is 1.0 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 5914 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-647 b orbits around the star Kepler-647 every 16.2 days with its orbital distance of 0.13 AU ( 18949995.2 km)
  • (Projected orbit of Kepler-647 b around its host star Kepler-647)


  • The Star Kepler-647 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.127 AU ( 168664500.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.558 AU ( 233138416.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.375 AU ( 355251353.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.494 AU ( 522767929.6 km)
  • Radiation at Planetary Boundary of Kepler-647 b : 206999.15 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-647)



  • Kopparapu Recent Venus for Star Kepler-647 distance : 1.159 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-647 distance : 1.468 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-647 distance : 1.417 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-647 distance : 1.554 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-647 distance : 2.583 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-647 distance : 2.724 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-647)



  • Original Kopparapu Recent Venus for Star Kepler-647 distance : 1.164 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-647 distance : 1.507 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-647 distance : 1.540 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-647 distance : 2.629 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-647 distance : 2.733 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-647)



    (Position in Stellar Map of star Kepler-647 and its Exoplanet Kepler-647 b)



    (Zoomed position in Stellar Map of star Kepler-647 and its Exoplanet Kepler-647 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-647*)
    *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