Imaginary Picture of Kepler-1004 b

Display orbital revolution of Kepler-1004 b around the hoststar Kepler-1004
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Exoplanet Name : Kepler-1004 b
Alternate Name : "2MASS J19492623+4947511 b, K01894.01, KIC 11673802 b, KOI-1894 b, KOI-1894.01, WISE J194926.23+494751.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.5600 (Rjup) 6.2770 (Rearth)
Mass (Mjup / Me): 0.1721 (Mjup) 54.7312 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0615 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0145
Orbital Period(Observed/Estimated) 5.29 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3891
Star Radiation at Atmospheric Boundary: 2619342.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1795.5 (K)
Blackbody T 0.3(K) 1686.2 (K)
Blackbody T 0.7(K) 1364.3 (K)
Tidally Locked Blackbody T 0.1(K) 2135.2 (K)
Tidally Locked Blackbody T 0.3(K) 2005.2 (K)
Size Class: sub-Jupiter-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-1004
Alternate Name : "2MASS J19492623+4947511, KIC 11673802, KOI-1894, WISE J194926.23+494751.1"
Star Distance(LY) : 3762.2
Stellar Radius(Rsun) : 3.6 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 7.8 (GY)
Temperature : 5008 (K)
Spectral type : K2
UV portion[%]: 3.1
Visible portion[%]: 36.8
IR portion[%]: 60.1
Metalicity : -0.0
Absolute Magnitude: 1.4
Apparent Magnitude: 11.7
Right Ascension(RA) 297.3593
Declination (DEC) 49.7976
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-1004+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1004%20b/
Kepler-1004 b
Kepler-1004 b

  • Kepler-1004 b is an exoplanet orbiting the star Kepler-1004, located about 3762.2 light-years (1153.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1004 has apparent magnitude of 11.7, with absolute magnitude of 1.4.
  • It is 1.1 times more massive and 3.6 times bigger compared with our Sun. The surface temperature is 5008 with its spectral types of K2
  • In this planetary system, the extrasolar planet Kepler-1004 b orbits around the star Kepler-1004 every 5.3 days with its orbital distance of 0.06 AU ( 9200857.3 km)
  • (Projected orbit of Kepler-1004 b around its host star Kepler-1004)


  • The Star Kepler-1004 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.947 AU ( 291309571.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.692 AU ( 402665955.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.101 AU ( 613573806.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.036 AU ( 902900735.3 km)
  • Radiation at Planetary Boundary of Kepler-1004 b : 2619342.74 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1004)



  • Kopparapu Recent Venus for Star Kepler-1004 distance : 2.106 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1004 distance : 2.666 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1004 distance : 2.575 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1004 distance : 2.826 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1004 distance : 4.831 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1004 distance : 5.095 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1004)



  • Original Kopparapu Recent Venus for Star Kepler-1004 distance : 2.084 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1004 distance : 2.747 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1004 distance : 2.757 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1004 distance : 4.912 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1004 distance : 5.108 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1004)



    (Position in Stellar Map of star Kepler-1004 and its Exoplanet Kepler-1004 b)



    (Zoomed position in Stellar Map of star Kepler-1004 and its Exoplanet Kepler-1004 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1004*)
    *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