Imaginary Picture of KOI-7051 b

Display orbital revolution of KOI-7051 b around the hoststar 2MASS J20052510+4431298
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Exoplanet Name : KOI-7051 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1060 (Rjup) 1.1882 (Rearth)
Mass (Mjup / Me): 0.0057 (Mjup) 1.8197 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0143 (AU) 0.0143 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0021
Orbital Period(Observed/Estimated) 0.77 (Days Obs.) 0.77 (Days Est.)
Surface Gravity (G Earth) 1.2890
Star Radiation at Atmospheric Boundary: 1131865.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1455.8 (K)
Blackbody T 0.3(K) 1367.1 (K)
Blackbody T 0.7(K) 1106.1 (K)
Tidally Locked Blackbody T 0.1(K) 1731.2 (K)
Tidally Locked Blackbody T 0.3(K) 1625.8 (K)
Size Class: Earth-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 J20052510+4431298
Alternate Name : 8526387
Star Distance(LY) : 1925.9
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4535 (K)
Spectral type : K4
UV portion[%]: 1.7
Visible portion[%]: 31.7
IR portion[%]: 66.6
Metalicity : -0.2
Absolute Magnitude: 6.6
Apparent Magnitude: 15.4
Right Ascension(RA) 301.3546
Declination (DEC) 44.5249
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+J20052510%2B4431298&submit=SIMBAD+search
Open Exoplanet Database Link
KOI-7051 b
KOI-7051 b

  • KOI-7051 b is an exoplanet orbiting the star 2MASS J20052510+4431298, located about 1925.9 light-years (590.5 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star 2MASS J20052510+4431298 has apparent magnitude of 15.4, with absolute magnitude of 6.6.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4535 with its spectral types of K4
  • In this planetary system, the extrasolar planet KOI-7051 b orbits around the star 2MASS J20052510+4431298 every 0.8 days with its orbital distance of 0.01 AU ( 2139249.6 km)
  • (Projected orbit of KOI-7051 b around its host star 2MASS J20052510+4431298)


  • The Star 2MASS J20052510+4431298 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.298 AU ( 44523485.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.411 AU ( 61543092.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.627 AU ( 93778053.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.922 AU ( 137998514.2 km)
  • Radiation at Planetary Boundary of KOI-7051 b : 1131865.51 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J20052510+4431298)



  • Kopparapu Recent Venus for Star 2MASS J20052510+4431298 distance : 0.328 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J20052510+4431298 distance : 0.416 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J20052510+4431298 distance : 0.401 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J20052510+4431298 distance : 0.441 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J20052510+4431298 distance : 0.769 AU
  • Kopparapu Outer Boundary for Early Mars for Star 2MASS J20052510+4431298 distance : 0.811 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J20052510+4431298)



  • Original Kopparapu Recent Venus for Star 2MASS J20052510+4431298 distance : 0.324 AU
  • Original Kopparapu Runaway Greenhouse for Star 2MASS J20052510+4431298 distance : 0.429 AU
  • Original Kopparapu Moist Greenhouse for Star 2MASS J20052510+4431298 distance : 0.429 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J20052510+4431298 distance : 0.781 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J20052510+4431298 distance : 0.812 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J20052510+4431298)



    (Position in Stellar Map of star 2MASS J20052510+4431298 and its Exoplanet KOI-7051 b)



    (Zoomed position in Stellar Map of star 2MASS J20052510+4431298 and its Exoplanet KOI-7051 b (zoom level 3))

    (Synthetic Spectrum of star 2MASS J20052510+4431298*)
    *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