Imaginary Picture of KOI-7205 b

Display orbital revolution of KOI-7205 b around the hoststar 2MASS J18584792+4622303
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Exoplanet Name : KOI-7205 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.8810 (Rjup) 9.8751 (Rearth)
Mass (Mjup / Me): 0.6703 (Mjup) 213.1076 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0347 (AU) 0.0347 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0064
Orbital Period(Observed/Estimated) 2.35 (Days Obs.) 2.36 (Days Est.)
Surface Gravity (G Earth) 2.1853
Star Radiation at Atmospheric Boundary: 1136729.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1457.3 (K)
Blackbody T 0.3(K) 1368.6 (K)
Blackbody T 0.7(K) 1107.3 (K)
Tidally Locked Blackbody T 0.1(K) 1733.1 (K)
Tidally Locked Blackbody T 0.3(K) 1627.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : 2MASS J18584792+4622303
Alternate Name : 9635520
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5780 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 13.9
Right Ascension(RA) 284.6997
Declination (DEC) 46.3751
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=2MASS+J18584792%2B4622303&submit=SIMBAD+search
Open Exoplanet Database Link
KOI-7205 b
KOI-7205 b

  • KOI-7205 b is an exoplanet orbiting the star 2MASS J18584792+4622303. Its discovery was publicly announced on 2017.
  • The host star 2MASS J18584792+4622303 has apparent magnitude of 13.9, with absolute magnitude of 25.0.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5780 with its spectral types of G2
  • In this planetary system, the extrasolar planet KOI-7205 b orbits around the star 2MASS J18584792+4622303 every 2.4 days with its orbital distance of 0.03 AU ( 5191046.1 km)
  • (Projected orbit of KOI-7205 b around its host star 2MASS J18584792+4622303)


  • The Star 2MASS J18584792+4622303 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.724 AU ( 108271409.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.000 AU ( 149659382.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.524 AU ( 228047778.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.243 AU ( 335582296.8 km)
  • Radiation at Planetary Boundary of KOI-7205 b : 1136729.72 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J18584792+4622303)



  • Kopparapu Recent Venus for Star 2MASS J18584792+4622303 distance : 0.750 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J18584792+4622303 distance : 0.950 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J18584792+4622303 distance : 0.917 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J18584792+4622303 distance : 1.006 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J18584792+4622303 distance : 1.677 AU
  • Kopparapu Outer Boundary for Early Mars for Star 2MASS J18584792+4622303 distance : 1.769 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J18584792+4622303)



  • Original Kopparapu Recent Venus for Star 2MASS J18584792+4622303 distance : 0.751 AU
  • Original Kopparapu Runaway Greenhouse for Star 2MASS J18584792+4622303 distance : 0.976 AU
  • Original Kopparapu Moist Greenhouse for Star 2MASS J18584792+4622303 distance : 0.994 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J18584792+4622303 distance : 1.707 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J18584792+4622303 distance : 1.775 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J18584792+4622303)



    (Position in Stellar Map of star 2MASS J18584792+4622303 and its Exoplanet KOI-7205 b)



    (Zoomed position in Stellar Map of star 2MASS J18584792+4622303 and its Exoplanet KOI-7205 b (zoom level 3))

    (Synthetic Spectrum of star 2MASS J18584792+4622303*)
    *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