Imaginary Picture of Kepler-833 b

Display orbital revolution of Kepler-833 b around the hoststar Kepler-833
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Exoplanet Name : Kepler-833 b
Alternate Name : "2MASS J19215518+4536025 b, K01403.01, KIC 9214942 b, KOI-1403 b, KOI-1403.01, WISE J192155.17+453602.2 b"
Status : Confirmed
Radius (Rjup / Re): 0.1800 (Rjup) 2.0176 (Rearth)
Mass (Mjup / Me): 0.0159 (Mjup) 5.0677 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1191 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0513
Orbital Period(Observed/Estimated) 18.75 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2449
Star Radiation at Atmospheric Boundary: 10394.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 450.7 (K)
Blackbody T 0.3(K) 423.2 (K)
Blackbody T 0.7(K) 342.4 (K)
Tidally Locked Blackbody T 0.1(K) 535.9 (K)
Tidally Locked Blackbody T 0.3(K) 503.3 (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-833
Alternate Name : "2MASS J19215518+4536025, KIC 9214942, KOI-1403, WISE J192155.17+453602.2"
Star Distance(LY) : 1524.1
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 3.7 (GY)
Temperature : 3977 (K)
Spectral type : K5
UV portion[%]: 1.0
Visible portion[%]: 28.2
IR portion[%]: 70.8
Metalicity : -0.2
Absolute Magnitude: 5.3
Apparent Magnitude: 13.6
Right Ascension(RA) 290.4800
Declination (DEC) 45.6007
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 699 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-833&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-833%20b/
Kepler-833 b
Kepler-833 b

  • Kepler-833 b is an exoplanet orbiting the star Kepler-833, located about 1524.1 light-years (467.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-833 has apparent magnitude of 13.6, with absolute magnitude of 5.3.
  • It is 0.6 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 3977 with its spectral types of K5
  • In this planetary system, the extrasolar planet Kepler-833 b orbits around the star Kepler-833 every 18.8 days with its orbital distance of 0.12 AU ( 17810057.9 km)
  • (Projected orbit of Kepler-833 b around its host star Kepler-833)


  • The Star Kepler-833 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.237 AU ( 35522418.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.328 AU ( 49101265.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.500 AU ( 74819462.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.736 AU ( 110100117.4 km)
  • Radiation at Planetary Boundary of Kepler-833 b : 10394.74 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-833)



  • Kopparapu Recent Venus for Star Kepler-833 distance : 0.266 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-833 distance : 0.337 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-833 distance : 0.325 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-833 distance : 0.358 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-833 distance : 0.640 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-833 distance : 0.675 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-833)



  • Original Kopparapu Recent Venus for Star Kepler-833 distance : 0.263 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-833 distance : 0.348 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-833 distance : 0.348 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-833 distance : 0.650 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-833 distance : 0.676 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-833)



    (Position in Stellar Map of star Kepler-833 and its Exoplanet Kepler-833 b)



    (Zoomed position in Stellar Map of star Kepler-833 and its Exoplanet Kepler-833 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-833*)
    *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