Imaginary Picture of Kepler-133 b

Display orbital revolution of Kepler-133 b around the hoststar Kepler-133
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Exoplanet Name : Kepler-133 b
Alternate Name : "2MASS J19490671+4819131 b, K00291.02, KIC 10933561 b, KOI-291 b, KOI-291.02, WISE J194906.69+481913.2 b"
Radius (Rjup / Re): 0.1570 (Rjup) 1.7598 (Rearth)
Mass (Mjup / Me): 0.0140 (Mjup) 4.4627 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0830 (AU) 0.0830 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0223
Orbital Period(Observed/Estimated) 8.13 (Days Obs.) 8.78 (Days Est.)
Surface Gravity (G Earth) 1.4410
Star Radiation at Atmospheric Boundary: 507186.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1191.1 (K)
Blackbody T 0.3(K) 1118.5 (K)
Blackbody T 0.7(K) 905.0 (K)
Tidally Locked Blackbody T 0.1(K) 1416.4 (K)
Tidally Locked Blackbody T 0.3(K) 1330.2 (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-133
Alternate Name : "2MASS J19490671+4819131, KIC 10933561, KOI-291, WISE J194906.69+481913.2"
Star Distance(LY) : 2133.8
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5712 (K)
Spectral type : G3
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.7
Metalicity : -0.2
Absolute Magnitude: 2.6
Apparent Magnitude: 11.7
Right Ascension(RA) 297.2780
Declination (DEC) 48.3203
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-133+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-133%20b/
Kepler-133 b
Kepler-133 b

  • Kepler-133 b is an exoplanet orbiting the star Kepler-133, located about 2133.8 light-years (654.2 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-133 has apparent magnitude of 11.7, with absolute magnitude of 2.6.
  • It is 1.0 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 5712 with its spectral types of G3
  • In this planetary system, the extrasolar planet Kepler-133 b orbits around the star Kepler-133 every 8.1 days with its orbital distance of 0.08 AU ( 12416623.3 km)
  • (Projected orbit of Kepler-133 b around its host star Kepler-133)


  • The Star Kepler-133 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.156 AU ( 172988729.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.598 AU ( 239115631.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.436 AU ( 364359306.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.584 AU ( 536170681.1 km)
  • Radiation at Planetary Boundary of Kepler-133 b : 507186.89 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-133)



  • Kopparapu Recent Venus for Star Kepler-133 distance : 1.203 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-133 distance : 1.524 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-133 distance : 1.472 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-133 distance : 1.614 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-133 distance : 2.696 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-133 distance : 2.843 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-133)



  • Original Kopparapu Recent Venus for Star Kepler-133 distance : 1.203 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-133 distance : 1.566 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-133 distance : 1.592 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-133 distance : 2.743 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-133 distance : 2.852 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-133)



    (Position in Stellar Map of star Kepler-133 and its Exoplanet Kepler-133 b)



    (Zoomed position in Stellar Map of star Kepler-133 and its Exoplanet Kepler-133 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-133*)
    *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