Imaginary Picture of Kepler-1504 b

Display orbital revolution of Kepler-1504 b around the hoststar Kepler-1504
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Exoplanet Name : Kepler-1504 b
Alternate Name : "2MASS J19185087+5007415 b, K03445.01, KIC 11860395 b, KOI-3445 b, KOI-3445.01, WISE J191850.87+500741.6 b"
Status : Confirmed
Radius (Rjup / Re): 0.1900 (Rjup) 2.1297 (Rearth)
Mass (Mjup / Me): 0.0168 (Mjup) 5.3291 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.3508 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.2253
Orbital Period(Observed/Estimated) 82.30 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1749
Star Radiation at Atmospheric Boundary: 38369.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 624.7 (K)
Blackbody T 0.3(K) 586.6 (K)
Blackbody T 0.7(K) 474.6 (K)
Tidally Locked Blackbody T 0.1(K) 742.8 (K)
Tidally Locked Blackbody T 0.3(K) 697.6 (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-1504
Alternate Name : "2MASS J19185087+5007415, KIC 11860395, KOI-3445, WISE J191850.87+500741.6"
Star Distance(LY) : 8068.2
Stellar Radius(Rsun) : 2.0 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5605 (K)
Spectral type : G7
UV portion[%]: 7.3
Visible portion[%]: 43.9
IR portion[%]: 48.8
Metalicity : -0.2
Absolute Magnitude: 2.4
Apparent Magnitude: 14.4
Right Ascension(RA) 289.7120
Declination (DEC) 50.1282
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-1504+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1504%20b/
Kepler-1504 b
Kepler-1504 b

  • Kepler-1504 b is an exoplanet orbiting the star Kepler-1504, located about 8068.2 light-years (2473.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1504 has apparent magnitude of 14.4, with absolute magnitude of 2.4.
  • It is 0.8 times more massive and 2.0 times bigger compared with our Sun. The surface temperature is 5605 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-1504 b orbits around the star Kepler-1504 every 82.3 days with its orbital distance of 0.35 AU ( 52474971.3 km)
  • (Projected orbit of Kepler-1504 b around its host star Kepler-1504)


  • The Star Kepler-1504 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.344 AU ( 201083504.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.858 AU ( 277949953.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.831 AU ( 423534218.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.166 AU ( 623249156.1 km)
  • Radiation at Planetary Boundary of Kepler-1504 b : 38369.65 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1504)



  • Kopparapu Recent Venus for Star Kepler-1504 distance : 1.408 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1504 distance : 1.782 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1504 distance : 1.721 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1504 distance : 1.888 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1504 distance : 3.163 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1504 distance : 3.336 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1504)



  • Original Kopparapu Recent Venus for Star Kepler-1504 distance : 1.405 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1504 distance : 1.833 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1504 distance : 1.859 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1504 distance : 3.218 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1504 distance : 3.347 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1504)



    (Position in Stellar Map of star Kepler-1504 and its Exoplanet Kepler-1504 b)



    (Zoomed position in Stellar Map of star Kepler-1504 and its Exoplanet Kepler-1504 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1504*)
    *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