Imaginary Picture of KELT-1 b
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Exoplanet Name : KELT-1 b
Alternate Name :
Radius (Rjup / Re): 1.1500 (Rjup) 12.8903 (Rearth)
Mass (Mjup / Me): 27.2300 (Mjup) 8657.4517 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0247 (AU) 0.0247 (AU Est.)
Eccentricity : 0.0100
Orbital Period(Yrs) 0.0033
Orbital Period(Observed/Estimated) 1.22 (Days Obs.) 1.23 (Days Est.)
Star Radiation at Atmospheric Boundary: 7828120.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2360.8 (K)
Blackbody T 0.3(K) 2217.0 (K)
Blackbody T 0.7(K) 1793.8 (K)
Tidally Locked Blackbody T 0.1(K) 2807.5 (K)
Tidally Locked Blackbody T 0.3(K) 2636.5 (K)
Size Class: Jupiter-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 : KELT-1
Alternate Name :
Star Distance(LY) : 758.5
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 1.8 (GY)
Temperature : 6516 (K)
Spectral type : F5
Metalicity : 0.1
Absolute Magnitude: 3.9
Apparent Magnitude: 10.7
Right Ascension(RA) 0.3622
Declination (DEC) 39.3836
Hubble Space Telescope Guide Star Catalog (GSC) ID 02785-02130
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=KELT-1+&submit=SIMBAD+search
Open Exoplanet Database Link 0
KELT-1 b
KELT-1 b

  • KELT-1 b is an exoplanet orbiting the star KELT-1, located about 758.5 light-years (232.6 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star KELT-1 has apparent magnitude of 10.7, with absolute magnitude of 3.9.
  • It is 1.3 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6516 with its spectral types of F5
  • In this planetary system, the extrasolar planet KELT-1 b orbits around the star KELT-1 every 1.2 days with its orbital distance of 0.02 AU ( 3698059.4 km)
  • (Projected orbit of KELT-1 b around its host star KELT-1)


  • The Star KELT-1 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.353 AU ( 202410452.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.870 AU ( 279784142.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.850 AU ( 426329116.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.194 AU ( 627361970.9 km)
  • Radiation at Planetary Boundary of KELT-1 b : 7828120.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KELT-1)



  • Kopparapu Recent Venus for Star KELT-1 distance : 1.341 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KELT-1 distance : 1.699 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KELT-1 distance : 1.641 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KELT-1 distance : 1.798 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-1 distance : 2.955 AU
  • Kopparapu Outer Boundary for Early Mars for Star KELT-1 distance : 3.116 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KELT-1)



  • Original Kopparapu Recent Venus for Star KELT-1 distance : 1.365 AU
  • Original Kopparapu Runaway Greenhouse for Star KELT-1 distance : 1.741 AU
  • Original Kopparapu Moist Greenhouse for Star KELT-1 distance : 1.806 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-1 distance : 3.008 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KELT-1 distance : 3.128 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KELT-1)



    (Position in Stellar Map of star KELT-1 and its Exoplanet KELT-1 b)



    (Zoomed position in Stellar Map of star KELT-1 and its Exoplanet KELT-1 b (zoom level 3))