Imaginary Picture of Kepler-1477 b

Display orbital revolution of Kepler-1477 b around the hoststar Kepler-1477
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Exoplanet Name : Kepler-1477 b
Alternate Name : "2MASS J18451164+4241087 b, K03353.01, KIC 7091432 b, KOI-3353 b, KOI-3353.01, WISE J184511.64+424108.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.1050 (Rjup) 1.1769 (Rearth)
Mass (Mjup / Me): 0.0055 (Mjup) 1.7584 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0932 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0316
Orbital Period(Observed/Estimated) 11.56 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2694
Star Radiation at Atmospheric Boundary: 101936.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 797.5 (K)
Blackbody T 0.3(K) 748.9 (K)
Blackbody T 0.7(K) 606.0 (K)
Tidally Locked Blackbody T 0.1(K) 948.4 (K)
Tidally Locked Blackbody T 0.3(K) 890.6 (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-1477
Alternate Name : "2MASS J18451164+4241087, KIC 7091432, KOI-3353, WISE J184511.64+424108.5"
Star Distance(LY) : 2219.7
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 5149 (K)
Spectral type : K1
UV portion[%]: 4.4
Visible portion[%]: 39.3
IR portion[%]: 56.3
Metalicity : -0.1
Absolute Magnitude: 4.0
Apparent Magnitude: 13.2
Right Ascension(RA) 281.2985
Declination (DEC) 42.6858
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. Batalha2"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1477+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1477%20b/
Kepler-1477 b
Kepler-1477 b

  • Kepler-1477 b is an exoplanet orbiting the star Kepler-1477, located about 2219.7 light-years (680.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1477 has apparent magnitude of 13.2, with absolute magnitude of 4.0.
  • It is 0.8 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5149 with its spectral types of K1
  • In this planetary system, the extrasolar planet Kepler-1477 b orbits around the star Kepler-1477 every 11.6 days with its orbital distance of 0.09 AU ( 13949150.4 km)
  • (Projected orbit of Kepler-1477 b around its host star Kepler-1477)


  • The Star Kepler-1477 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.582 AU ( 87124811.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.805 AU ( 120429257.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.227 AU ( 183507538.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.805 AU ( 270039381.1 km)
  • Radiation at Planetary Boundary of Kepler-1477 b : 101936.00 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1477)



  • Kopparapu Recent Venus for Star Kepler-1477 distance : 0.625 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1477 distance : 0.792 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1477 distance : 0.765 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1477 distance : 0.839 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1477 distance : 1.427 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1477 distance : 1.505 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1477)



  • Original Kopparapu Recent Venus for Star Kepler-1477 distance : 0.620 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1477 distance : 0.816 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1477 distance : 0.820 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1477 distance : 1.451 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1477 distance : 1.509 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1477)



    (Position in Stellar Map of star Kepler-1477 and its Exoplanet Kepler-1477 b)



    (Zoomed position in Stellar Map of star Kepler-1477 and its Exoplanet Kepler-1477 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1477*)
    *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