Imaginary Picture of HAT-P-15 b
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Exoplanet Name : HAT-P-15 b
Alternate Name :
Radius (Rjup / Re): 1.0720 (Rjup) 12.0160 (Rearth)
Mass (Mjup / Me): 1.9460 (Mjup) 618.7073 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0964 (AU) 0.0964 (AU Est.)
Eccentricity : 0.1900
Orbital Period(Yrs) 0.0297
Orbital Period(Observed/Estimated) 10.86 (Days Obs.) 10.86 (Days Est.)
Star Radiation at Atmospheric Boundary: 147943.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 875.3 (K)
Blackbody T 0.3(K) 822.0 (K)
Blackbody T 0.7(K) 665.1 (K)
Tidally Locked Blackbody T 0.1(K) 1040.9 (K)
Tidally Locked Blackbody T 0.3(K) 977.5 (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 : HAT-P-15
Alternate Name :
Star Distance(LY) : 637.0
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.8 (GY)
Temperature : 5568 (K)
Spectral type : G5
Metalicity : 0.2
Absolute Magnitude: 5.7
Apparent Magnitude: 12.2
Right Ascension(RA) 66.2481
Declination (DEC) 39.4606
Hubble Space Telescope Guide Star Catalog (GSC) ID 02883-01687
Discovered by
Discovery Paper - Authors "G. Kov_cs , G. _.Bakos , J. D. Hartman , G. Torres , R. W. Noyes , D. W. Latham , A. W. Howard , D. A. Fischer , J. A. Johnson , G. W. Marcy , H. Isaacson , D. D. Sasselov , R. P. Stefanik , G. A. Esquerdo , J. M. Fernandez , B. B_ky , J. L_z_r , I. Papp , P. S_ri"
Discovery Paper - Title HAT-P-15b: A 10.9-day Extrasolar Planet Transiting a Solar-type Star
Discovery Paper - Journal "The Astrophysical Journal, Volume 724, Number 2 "
Discovery Paper - URL http://iopscience.iop.org/article/10.1088/0004-637X/724/2/866/meta
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HAT-P-15+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HAT-P-15%20b/
HAT-P-15 b
HAT-P-15 b

  • HAT-P-15 b is an exoplanet orbiting the star HAT-P-15, located about 637.0 light-years (195.3 pc) away from Solar System. Its discovery was publicly announced on 2010.
  • The host star HAT-P-15 has apparent magnitude of 12.2, with absolute magnitude of 5.7.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5568 with its spectral types of G5
  • In this planetary system, the extrasolar planet HAT-P-15 b orbits around the star HAT-P-15 every 10.9 days with its orbital distance of 0.10 AU ( 14421234.7 km)
  • (Projected orbit of HAT-P-15 b around its host star HAT-P-15)


  • The Star HAT-P-15 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.725 AU ( 108512637.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.003 AU ( 149992823.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.528 AU ( 228555869.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.248 AU ( 336329974.2 km)
  • Radiation at Planetary Boundary of HAT-P-15 b : 147943.25 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-15)



  • Kopparapu Recent Venus for Star HAT-P-15 distance : 0.761 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-15 distance : 0.964 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-15 distance : 0.931 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-15 distance : 1.021 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-15 distance : 1.712 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-15 distance : 1.806 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-15)



  • Original Kopparapu Recent Venus for Star HAT-P-15 distance : 0.759 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-15 distance : 0.991 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-15 distance : 1.005 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-15 distance : 1.742 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-15 distance : 1.812 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-15)



    (Position in Stellar Map of star HAT-P-15 and its Exoplanet HAT-P-15 b)



    (Zoomed position in Stellar Map of star HAT-P-15 and its Exoplanet HAT-P-15 b (zoom level 3))