Imaginary Picture of Kepler-433 b

Display orbital revolution of Kepler-433 b around the hoststar Kepler-433
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Exoplanet Name : Kepler-433 b
Alternate Name : "KOI-206 b, 2MASS J19502247+4058381 b, K00206.01, KIC 5728139 b, KOI-206.01, WISE J195022.46+405838.0 b"
Status : Confirmed
Radius (Rjup / Re): 1.4500 (Rjup) 16.2530 (Rearth)
Mass (Mjup / Me): 2.8200 (Mjup) 896.5852 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0679 (AU) 0.0679 (AU Est.)
Eccentricity : 0.1190
Orbital Period(Yrs) 0.0146
Orbital Period(Observed/Estimated) 5.33 (Days Obs.) 5.35 (Days Est.)
Surface Gravity (G Earth) 3.3941
Star Radiation at Atmospheric Boundary: 2204746.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1719.8 (K)
Blackbody T 0.3(K) 1615.1 (K)
Blackbody T 0.7(K) 1306.8 (K)
Tidally Locked Blackbody T 0.1(K) 2045.2 (K)
Tidally Locked Blackbody T 0.3(K) 1920.7 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-433
Alternate Name : "KOI-206, 2MASS J19502247+4058381, KIC 5728139, WISE J195022.46+405838.0"
Star Distance(LY) : 6128.5
Stellar Radius(Rsun) : 2.3 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 2.7 (GY)
Temperature : 6340 (K)
Spectral type : F7
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.0
Absolute Magnitude: 3.1
Apparent Magnitude: 14.5
Right Ascension(RA) 297.5936
Declination (DEC) 40.9773
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-433&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-433 b
Kepler-433 b

  • Kepler-433 b is an exoplanet orbiting the star Kepler-433, located about 6128.5 light-years (1879.0 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star Kepler-433 has apparent magnitude of 14.5, with absolute magnitude of 3.1.
  • It is 1.5 times more massive and 2.3 times bigger compared with our Sun. The surface temperature is 6340 with its spectral types of F7
  • In this planetary system, the extrasolar planet Kepler-433 b orbits around the star Kepler-433 every 5.3 days with its orbital distance of 0.07 AU ( 10157695.4 km)
  • (Projected orbit of Kepler-433 b around its host star Kepler-433)


  • The Star Kepler-433 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.972 AU ( 295056260.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.726 AU ( 407844860.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.154 AU ( 621465310.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.113 AU ( 914513429.5 km)
  • Radiation at Planetary Boundary of Kepler-433 b : 2204746.73 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-433)



  • Kopparapu Recent Venus for Star Kepler-433 distance : 1.976 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-433 distance : 2.502 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-433 distance : 2.416 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-433 distance : 2.648 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-433 distance : 4.364 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-433 distance : 4.603 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-433)



  • Original Kopparapu Recent Venus for Star Kepler-433 distance : 2.002 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-433 distance : 2.566 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-433 distance : 2.649 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-433 distance : 4.443 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-433 distance : 4.620 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-433)



    (Position in Stellar Map of star Kepler-433 and its Exoplanet Kepler-433 b)



    (Zoomed position in Stellar Map of star Kepler-433 and its Exoplanet Kepler-433 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-433*)
    *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