Imaginary Picture of KOI-7073 b

Display orbital revolution of KOI-7073 b around the hoststar 2MASS J19280416+4442477
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Exoplanet Name : KOI-7073 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 2.6987 (Rjup) 30.2497 (Rearth)
Mass (Mjup / Me): 19.2660 (Mjup) 6125.4089 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.8590 (AU) 0.8590 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.7639
Orbital Period(Observed/Estimated) 279.01 (Days Obs.) 279.81 (Days Est.)
Surface Gravity (G Earth) 6.6941
Star Radiation at Atmospheric Boundary: 3503.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 343.4 (K)
Blackbody T 0.3(K) 322.5 (K)
Blackbody T 0.7(K) 260.9 (K)
Tidally Locked Blackbody T 0.1(K) 408.3 (K)
Tidally Locked Blackbody T 0.3(K) 383.5 (K)
Size Class: Sub-Star-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 J19280416+4442477
Alternate Name : 8625408
Star Distance(LY) : 2366.0
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6338 (K)
Spectral type : F8
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.1
Absolute Magnitude: 3.6
Apparent Magnitude: 12.9
Right Ascension(RA) 292.0173
Declination (DEC) 44.7133
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+J19280416%2B4442477&submit=SIMBAD+search
Open Exoplanet Database Link
KOI-7073 b
KOI-7073 b

  • KOI-7073 b is an exoplanet orbiting the star 2MASS J19280416+4442477, located about 2366.0 light-years (725.4 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star 2MASS J19280416+4442477 has apparent magnitude of 12.9, with absolute magnitude of 3.6.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6338 with its spectral types of F8
  • In this planetary system, the extrasolar planet KOI-7073 b orbits around the star 2MASS J19280416+4442477 every 279.0 days with its orbital distance of 0.86 AU ( 128504570.9 km)
  • (Projected orbit of KOI-7073 b around its host star 2MASS J19280416+4442477)


  • The Star 2MASS J19280416+4442477 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.995 AU ( 148802015.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.375 AU ( 205683271.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.095 AU ( 313415788.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.083 AU ( 461205062.1 km)
  • Radiation at Planetary Boundary of KOI-7073 b : 3503.64 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J19280416+4442477)



  • Kopparapu Recent Venus for Star 2MASS J19280416+4442477 distance : 0.997 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J19280416+4442477 distance : 1.262 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J19280416+4442477 distance : 1.219 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J19280416+4442477 distance : 1.336 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19280416+4442477 distance : 2.201 AU
  • Kopparapu Outer Boundary for Early Mars for Star 2MASS J19280416+4442477 distance : 2.322 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J19280416+4442477)



  • Original Kopparapu Recent Venus for Star 2MASS J19280416+4442477 distance : 1.010 AU
  • Original Kopparapu Runaway Greenhouse for Star 2MASS J19280416+4442477 distance : 1.294 AU
  • Original Kopparapu Moist Greenhouse for Star 2MASS J19280416+4442477 distance : 1.336 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19280416+4442477 distance : 2.241 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J19280416+4442477 distance : 2.330 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J19280416+4442477)



    (Position in Stellar Map of star 2MASS J19280416+4442477 and its Exoplanet KOI-7073 b)



    (Zoomed position in Stellar Map of star 2MASS J19280416+4442477 and its Exoplanet KOI-7073 b (zoom level 3))

    (Synthetic Spectrum of star 2MASS J19280416+4442477*)
    *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