Imaginary Picture of KOI-5 b

Display orbital revolution of KOI-5 b around the hoststar KOI-5
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Exoplanet Name : KOI-5 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.0589 (Rjup) 0.6602 (Rearth)
Mass (Mjup / Me): 0.0007 (Mjup) 0.2264 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0750 (AU) 0.0750 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0193
Orbital Period(Observed/Estimated) 7.05 (Days Obs.) 6.80 (Days Est.)
Surface Gravity (G Earth) 0.5193
Star Radiation at Atmospheric Boundary: 728862.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1304.1 (K)
Blackbody T 0.3(K) 1224.7 (K)
Blackbody T 0.7(K) 990.9 (K)
Tidally Locked Blackbody T 0.1(K) 1550.8 (K)
Tidally Locked Blackbody T 0.3(K) 1456.4 (K)
Size Class: Mars-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 : KOI-5
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.7 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5753 (K)
Spectral type : G3
UV portion[%]: 7.8
Visible portion[%]: 44.7
IR portion[%]: 47.6
Metalicity : 0.1
Absolute Magnitude: 25.0
Apparent Magnitude: 10.5
Right Ascension(RA) 289.7417
Declination (DEC) 44.6475
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=KOI-5&submit=SIMBAD+search
Open Exoplanet Database Link
KOI-5 b
KOI-5 b

  • KOI-5 b is an exoplanet orbiting the star KOI-5. Its discovery was publicly announced on 2013.
  • The host star KOI-5 has apparent magnitude of 10.5, with absolute magnitude of 25.0.
  • It is 1.2 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5753 with its spectral types of G3
  • In this planetary system, the extrasolar planet KOI-5 b orbits around the star KOI-5 every 7.1 days with its orbital distance of 0.07 AU ( 11219840.3 km)
  • (Projected orbit of KOI-5 b around its host star KOI-5)


  • The Star KOI-5 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.253 AU ( 187387132.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.731 AU ( 259017987.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.638 AU ( 394686092.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.882 AU ( 580797874.5 km)
  • Radiation at Planetary Boundary of KOI-5 b : 728862.47 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KOI-5)



  • Kopparapu Recent Venus for Star KOI-5 distance : 1.300 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KOI-5 distance : 1.647 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KOI-5 distance : 1.590 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KOI-5 distance : 1.744 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-5 distance : 2.910 AU
  • Kopparapu Outer Boundary for Early Mars for Star KOI-5 distance : 3.069 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KOI-5)



  • Original Kopparapu Recent Venus for Star KOI-5 distance : 1.301 AU
  • Original Kopparapu Runaway Greenhouse for Star KOI-5 distance : 1.692 AU
  • Original Kopparapu Moist Greenhouse for Star KOI-5 distance : 1.722 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-5 distance : 2.961 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KOI-5 distance : 3.079 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KOI-5)



    (Position in Stellar Map of star KOI-5 and its Exoplanet KOI-5 b)



    (Zoomed position in Stellar Map of star KOI-5 and its Exoplanet KOI-5 b (zoom level 3))

    (Synthetic Spectrum of star KOI-5*)
    *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