Imaginary Picture of HAT-P-63 b

Display orbital revolution of HAT-P-63 b around the hoststar HAT-P-63
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Exoplanet Name : HAT-P-63 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1190 (Rjup) 12.5429 (Rearth)
Mass (Mjup / Me): 0.6140 (Mjup) 195.2139 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0429 (AU) 0.0429 (AU Est.)
Eccentricity : 0.0690
Orbital Period(Yrs) 0.0092
Orbital Period(Observed/Estimated) 3.38 (Days Obs.) 3.38 (Days Est.)
Surface Gravity (G Earth) 1.2408
Star Radiation at Atmospheric Boundary: 527837.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1203.0 (K)
Blackbody T 0.3(K) 1129.7 (K)
Blackbody T 0.7(K) 914.1 (K)
Tidally Locked Blackbody T 0.1(K) 1430.6 (K)
Tidally Locked Blackbody T 0.3(K) 1343.5 (K)
Size Class: 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 : HAT-P-63
Alternate Name :
Star Distance(LY) : 1330.7
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 9.0 (GY)
Temperature : 5400 (K)
Spectral type : G7
UV portion[%]: 6.4
Visible portion[%]: 42.4
IR portion[%]: 51.2
Metalicity : 0.3
Absolute Magnitude: 5.6
Apparent Magnitude: 13.7
Right Ascension(RA) 269.5708
Declination (DEC) 5.7614
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
HAT-P-63 b
HAT-P-63 b

  • HAT-P-63 b is an exoplanet orbiting the star HAT-P-63, located about 1330.7 light-years (408.0 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star HAT-P-63 has apparent magnitude of 13.7, with absolute magnitude of 5.6.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5400 with its spectral types of G7
  • In this planetary system, the extrasolar planet HAT-P-63 b orbits around the star HAT-P-63 every 3.4 days with its orbital distance of 0.04 AU ( 6423732.6 km)
  • (Projected orbit of HAT-P-63 b around its host star HAT-P-63)


  • The Star HAT-P-63 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.610 AU ( 91299356.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.844 AU ( 126199569.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.285 AU ( 192300215.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.892 AU ( 282978191.7 km)
  • Radiation at Planetary Boundary of HAT-P-63 b : 527837.13 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HAT-P-63)



  • Kopparapu Recent Venus for Star HAT-P-63 distance : 0.647 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HAT-P-63 distance : 0.819 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HAT-P-63 distance : 0.791 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HAT-P-63 distance : 0.867 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-63 distance : 1.462 AU
  • Kopparapu Outer Boundary for Early Mars for Star HAT-P-63 distance : 1.542 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HAT-P-63)



  • Original Kopparapu Recent Venus for Star HAT-P-63 distance : 0.643 AU
  • Original Kopparapu Runaway Greenhouse for Star HAT-P-63 distance : 0.843 AU
  • Original Kopparapu Moist Greenhouse for Star HAT-P-63 distance : 0.851 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HAT-P-63 distance : 1.488 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HAT-P-63 distance : 1.547 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HAT-P-63)



    (Position in Stellar Map of star HAT-P-63 and its Exoplanet HAT-P-63 b)



    (Zoomed position in Stellar Map of star HAT-P-63 and its Exoplanet HAT-P-63 b (zoom level 3))

    (Synthetic Spectrum of star HAT-P-63*)
    *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