Imaginary Picture of Kepler-824 b

Display orbital revolution of Kepler-824 b around the hoststar Kepler-824
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Exoplanet Name : Kepler-824 b
Alternate Name : "2MASS J19215457+3943552 b, K01341.01, KIC 4650674 b, KOI-1341 b, KOI-1341.01, WISE J192154.57+394355.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1670 (Rjup) 1.8719 (Rearth)
Mass (Mjup / Me): 0.0149 (Mjup) 4.7265 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0560 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0124
Orbital Period(Observed/Estimated) 4.51 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3489
Star Radiation at Atmospheric Boundary: 599280.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1241.8 (K)
Blackbody T 0.3(K) 1166.2 (K)
Blackbody T 0.7(K) 943.6 (K)
Tidally Locked Blackbody T 0.1(K) 1476.8 (K)
Tidally Locked Blackbody T 0.3(K) 1386.8 (K)
Size Class: super-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-824
Alternate Name : "2MASS J19215457+3943552, KIC 4650674, KOI-1341, WISE J192154.57+394355.1"
Star Distance(LY) : 3920.7
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 3.3 (GY)
Temperature : 5939 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.4
Apparent Magnitude: 13.8
Right Ascension(RA) 290.4774
Declination (DEC) 39.7320
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 693 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-824&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-824%20b/
Kepler-824 b
Kepler-824 b

  • Kepler-824 b is an exoplanet orbiting the star Kepler-824, located about 3920.7 light-years (1202.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-824 has apparent magnitude of 13.8, with absolute magnitude of 3.4.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5939 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-824 b orbits around the star Kepler-824 every 4.5 days with its orbital distance of 0.06 AU ( 8378425.4 km)
  • (Projected orbit of Kepler-824 b around its host star Kepler-824)


  • The Star Kepler-824 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.848 AU ( 126884257.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.172 AU ( 175387202.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.786 AU ( 267251283.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.629 AU ( 393271970.9 km)
  • Radiation at Planetary Boundary of Kepler-824 b : 599280.41 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-824)



  • Kopparapu Recent Venus for Star Kepler-824 distance : 0.871 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-824 distance : 1.102 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-824 distance : 1.065 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-824 distance : 1.167 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-824 distance : 1.939 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-824 distance : 2.045 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-824)



  • Original Kopparapu Recent Venus for Star Kepler-824 distance : 0.875 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-824 distance : 1.132 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-824 distance : 1.157 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-824 distance : 1.973 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-824 distance : 2.052 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-824)



    (Position in Stellar Map of star Kepler-824 and its Exoplanet Kepler-824 b)



    (Zoomed position in Stellar Map of star Kepler-824 and its Exoplanet Kepler-824 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-824*)
    *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