Imaginary Picture of Kepler-864 b

Display orbital revolution of Kepler-864 b around the hoststar Kepler-864
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Exoplanet Name : Kepler-864 b
Alternate Name : "2MASS J19001370+4619144 b, K01498.01, KIC 9636135 b, KOI-1498 b, KOI-1498.01, WISE J190013.70+461914.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.2140 (Rjup) 2.3987 (Rearth)
Mass (Mjup / Me): 0.0187 (Mjup) 5.9524 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0634 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0160
Orbital Period(Observed/Estimated) 5.83 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0345
Star Radiation at Atmospheric Boundary: 746562.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1311.9 (K)
Blackbody T 0.3(K) 1232.0 (K)
Blackbody T 0.7(K) 996.8 (K)
Tidally Locked Blackbody T 0.1(K) 1560.2 (K)
Tidally Locked Blackbody T 0.3(K) 1465.1 (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-864
Alternate Name : "2MASS J19001370+4619144, KIC 9636135, KOI-1498, WISE J190013.70+461914.2"
Star Distance(LY) : 6677.3
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.7 (GY)
Temperature : 6225 (K)
Spectral type : G3
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 3.1
Apparent Magnitude: 14.7
Right Ascension(RA) 285.0571
Declination (DEC) 46.3207
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 720 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-864&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-864%20b/
Kepler-864 b
Kepler-864 b

  • Kepler-864 b is an exoplanet orbiting the star Kepler-864, located about 6677.3 light-years (2047.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-864 has apparent magnitude of 14.7, with absolute magnitude of 3.1.
  • It is 1.0 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 6225 with its spectral types of G3
  • In this planetary system, the extrasolar planet Kepler-864 b orbits around the star Kepler-864 every 5.8 days with its orbital distance of 0.06 AU ( 9487774.3 km)
  • (Projected orbit of Kepler-864 b around its host star Kepler-864)


  • The Star Kepler-864 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.072 AU ( 160371695.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.482 AU ( 221675593.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.258 AU ( 337784547.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.323 AU ( 497064759.7 km)
  • Radiation at Planetary Boundary of Kepler-864 b : 746562.48 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-864)



  • Kopparapu Recent Venus for Star Kepler-864 distance : 1.081 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-864 distance : 1.369 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-864 distance : 1.322 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-864 distance : 1.449 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-864 distance : 2.394 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-864 distance : 2.525 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-864)



  • Original Kopparapu Recent Venus for Star Kepler-864 distance : 1.093 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-864 distance : 1.405 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-864 distance : 1.446 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-864 distance : 2.437 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-864 distance : 2.534 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-864)



    (Position in Stellar Map of star Kepler-864 and its Exoplanet Kepler-864 b)



    (Zoomed position in Stellar Map of star Kepler-864 and its Exoplanet Kepler-864 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-864*)
    *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