Imaginary Picture of HAT-P-2 b

Display orbital revolution of HAT-P-2 b around the hoststar HAT-P-2
/
Exoplanet Name : HAT-P-2 b
Alternate Name :
Radius (Rjup / Re): 0.9510 (Rjup) 10.6598 (Rearth)
Mass (Mjup / Me): 8.7400 (Mjup) 2778.7781 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0674 (AU) 0.0674 (AU Est.)
Eccentricity : 0.5171
Orbital Period(Yrs) 0.0154
Orbital Period(Observed/Estimated) 5.63 (Days Obs.) 5.52 (Days Est.)
Star Radiation at Atmospheric Boundary: 1083533.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1440.0 (K)
Blackbody T 0.3(K) 1352.3 (K)
Blackbody T 0.7(K) 1094.1 (K)
Tidally Locked Blackbody T 0.1(K) 1712.4 (K)
Tidally Locked Blackbody T 0.3(K) 1608.1 (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-2
Alternate Name :
Star Distance(LY) : 420.3
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 2.7 (GY)
Temperature : 6414 (K)
Spectral type : F8
Metalicity : 0.0
Absolute Magnitude: 3.2
Apparent Magnitude: 8.7
Right Ascension(RA) 245.1515
Declination (DEC) 41.0481
Hubble Space Telescope Guide Star Catalog (GSC) ID 03065-01195
Discovered by
Discovery Paper - Authors "B. Loeillet, , A. Shporer, F. Bouchy, F. Pont, T. Mazeh, J. L. Beuzit, I. Boisse, X. Bonfils, R. Da Silva, X. Delfosse, M. Desort, A. Ecuvillon, T. Forveille, F. Galland, A. Gallenne, G. H_brard, A.-M. Lagrange, C. Lovis, M. Mayor, C. Moutou, F. Pepe, C. Perrier, D. Queloz, D. S_gransan, J. P. Sivan, N. C. Santos, Y. Tsodikovich, S. Udry, and A. Vidal-Madjar"
Discovery Paper - Title Refined parameters and spectroscopic transit of the super-massive planet HD47506b
Discovery Paper - Journal "A&A 481, 529-533 (2008) DOI: 10.1051/0004-6361:20078167"
Discovery Paper - URL http://www.aanda.org/articles/aa/abs/2008/14/aa8167-07/aa8167-07.html
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HAT-P-2+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HAT-P-2%20b/
HAT-P-2 b
HAT-P-2 b

  • HAT-P-2 b is an exoplanet orbiting the star HAT-P-2, located about 420.3 light-years (128.9 pc) away from Solar System. Its discovery was publicly announced on 2007.
  • The host star HAT-P-2 has apparent magnitude of 8.7, with absolute magnitude of 3.2.
  • It is 1.3 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6414 with its spectral types of F8
  • In this planetary system, the extrasolar planet HAT-P-2 b orbits around the star HAT-P-2 every 5.6 days with its orbital distance of 0.07 AU ( 10082896.5 km)
  • (Projected orbit of HAT-P-2 b around its host star HAT-P-2)


  • The Star HAT-P-2 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.372 AU ( 205322595.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.897 AU ( 283809483.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.891 AU ( 432462845.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.254 AU ( 636388022.7 km)
  • Radiation at Planetary Boundary of HAT-P-2 b : 1083533.35 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-2)



  • Kopparapu Recent Venus for Star HAT-P-2 distance : 1.369 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-2 distance : 1.734 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-2 distance : 1.674 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-2 distance : 1.834 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-2 distance : 3.020 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-2 distance : 3.185 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-2)



  • Original Kopparapu Recent Venus for Star HAT-P-2 distance : 1.390 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-2 distance : 1.778 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-2 distance : 1.839 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-2 distance : 3.074 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-2 distance : 3.197 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-2)



    (Position in Stellar Map of star HAT-P-2 and its Exoplanet HAT-P-2 b)



    (Zoomed position in Stellar Map of star HAT-P-2 and its Exoplanet HAT-P-2 b (zoom level 3))