Imaginary Picture of KOI-6526 b

Display orbital revolution of KOI-6526 b around the hoststar 2MASS J19434782+4014521
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Exoplanet Name : KOI-6526 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.8300 (Rjup) 9.3035 (Rearth)
Mass (Mjup / Me): 0.5605 (Mjup) 178.1991 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.4638 (AU) 1.4638 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 1.3327
Orbital Period(Observed/Estimated) 486.78 (Days Obs.) 486.90 (Days Est.)
Surface Gravity (G Earth) 2.0588
Star Radiation at Atmospheric Boundary: 9041.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 435.2 (K)
Blackbody T 0.3(K) 408.7 (K)
Blackbody T 0.7(K) 330.7 (K)
Tidally Locked Blackbody T 0.1(K) 517.6 (K)
Tidally Locked Blackbody T 0.3(K) 486.0 (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 J19434782+4014521
Alternate Name : 5115688
Star Distance(LY) : 5458.7
Stellar Radius(Rsun) : 5.0 (Rsun Measured)
Stellar Mass(Msun) : 1.8 (Msun Measured) 1.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5039 (K)
Spectral type : K1
UV portion[%]: 3.5
Visible portion[%]: 37.5
IR portion[%]: 59.0
Metalicity : -0.2
Absolute Magnitude: 2.4
Apparent Magnitude: 13.5
Right Ascension(RA) 295.9493
Declination (DEC) 40.2478
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+J19434782%2B4014521&submit=SIMBAD+search
Open Exoplanet Database Link
KOI-6526 b
KOI-6526 b

  • KOI-6526 b is an exoplanet orbiting the star 2MASS J19434782+4014521, located about 5458.7 light-years (1673.6 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star 2MASS J19434782+4014521 has apparent magnitude of 13.5, with absolute magnitude of 2.4.
  • It is 1.8 times more massive and 5.0 times bigger compared with our Sun. The surface temperature is 5039 with its spectral types of K1
  • In this planetary system, the extrasolar planet KOI-6526 b orbits around the star 2MASS J19434782+4014521 every 486.8 days with its orbital distance of 1.46 AU ( 218981363.1 km)
  • (Projected orbit of KOI-6526 b around its host star 2MASS J19434782+4014521)


  • The Star 2MASS J19434782+4014521 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.723 AU ( 407335281.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.764 AU ( 563043808.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.735 AU ( 857954162.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 8.439 AU ( 1262517134.5 km)
  • Radiation at Planetary Boundary of KOI-6526 b : 9041.26 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J19434782+4014521)



  • Kopparapu Recent Venus for Star 2MASS J19434782+4014521 distance : 2.940 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J19434782+4014521 distance : 3.722 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J19434782+4014521 distance : 3.595 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J19434782+4014521 distance : 3.945 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19434782+4014521 distance : 6.736 AU
  • Kopparapu Outer Boundary for Early Mars for Star 2MASS J19434782+4014521 distance : 7.105 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J19434782+4014521)



  • Original Kopparapu Recent Venus for Star 2MASS J19434782+4014521 distance : 2.910 AU
  • Original Kopparapu Runaway Greenhouse for Star 2MASS J19434782+4014521 distance : 3.835 AU
  • Original Kopparapu Moist Greenhouse for Star 2MASS J19434782+4014521 distance : 3.851 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19434782+4014521 distance : 6.850 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J19434782+4014521 distance : 7.123 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J19434782+4014521)



    (Position in Stellar Map of star 2MASS J19434782+4014521 and its Exoplanet KOI-6526 b)



    (Zoomed position in Stellar Map of star 2MASS J19434782+4014521 and its Exoplanet KOI-6526 b (zoom level 3))

    (Synthetic Spectrum of star 2MASS J19434782+4014521*)
    *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