Imaginary Picture of Kepler-819 b

Display orbital revolution of Kepler-819 b around the hoststar Kepler-819
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Exoplanet Name : Kepler-819 b
Alternate Name : "2MASS J19412899+3910379 b, K01329.01, KIC 4072526 b, KOI-1329 b, KOI-1329.01, WISE J194128.98+391038.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.2460 (Rjup) 2.7574 (Rearth)
Mass (Mjup / Me): 0.0213 (Mjup) 6.7761 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1922 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0909
Orbital Period(Observed/Estimated) 33.20 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8912
Star Radiation at Atmospheric Boundary: 13126.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 477.7 (K)
Blackbody T 0.3(K) 448.6 (K)
Blackbody T 0.7(K) 363.0 (K)
Tidally Locked Blackbody T 0.1(K) 568.1 (K)
Tidally Locked Blackbody T 0.3(K) 533.5 (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-819
Alternate Name : "2MASS J19412899+3910379, KIC 4072526, KOI-1329, WISE J194128.98+391038.3"
Star Distance(LY) : 2166.1
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5089 (K)
Spectral type : K0
UV portion[%]: 3.8
Visible portion[%]: 38.3
IR portion[%]: 57.9
Metalicity : -0.1
Absolute Magnitude: 4.6
Apparent Magnitude: 13.7
Right Ascension(RA) 295.3708
Declination (DEC) 39.1772
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 691 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-819&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-819%20b/
Kepler-819 b
Kepler-819 b

  • Kepler-819 b is an exoplanet orbiting the star Kepler-819, located about 2166.1 light-years (664.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-819 has apparent magnitude of 13.7, with absolute magnitude of 4.6.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5089 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-819 b orbits around the star Kepler-819 every 33.2 days with its orbital distance of 0.19 AU ( 28759831.7 km)
  • (Projected orbit of Kepler-819 b around its host star Kepler-819)


  • The Star Kepler-819 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.431 AU ( 64459099.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.596 AU ( 89099320.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.908 AU ( 135767647.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.336 AU ( 199788040.4 km)
  • Radiation at Planetary Boundary of Kepler-819 b : 13126.08 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-819)



  • Kopparapu Recent Venus for Star Kepler-819 distance : 0.464 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-819 distance : 0.588 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-819 distance : 0.568 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-819 distance : 0.623 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-819 distance : 1.061 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-819 distance : 1.119 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-819)



  • Original Kopparapu Recent Venus for Star Kepler-819 distance : 0.460 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-819 distance : 0.605 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-819 distance : 0.608 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-819 distance : 1.079 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-819 distance : 1.122 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-819)



    (Position in Stellar Map of star Kepler-819 and its Exoplanet Kepler-819 b)



    (Zoomed position in Stellar Map of star Kepler-819 and its Exoplanet Kepler-819 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-819*)
    *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