Imaginary Picture of KOI-1599.01

Display orbital revolution of KOI-1599.01 around the hoststar KOI-1599
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Exoplanet Name : KOI-1599.01
Alternate Name : "K01599.02, 2MASS J19532972+4037063 c, KIC 5474613 c, Kepler-1659 c, WISE J195329.69+403706.1 c"
Radius (Rjup / Re): 0.1700 (Rjup) 1.9055 (Rearth)
Mass (Mjup / Me): 0.0145 (Mjup) 4.6006 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1473 (AU) 0.1473 (AU Est.)
Eccentricity : 0.0140
Orbital Period(Yrs) 0.0560
Orbital Period(Observed/Estimated) 20.44 (Days Obs.) 20.44 (Days Est.)
Surface Gravity (G Earth) 1.2670
Star Radiation at Atmospheric Boundary: 44234.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 647.3 (K)
Blackbody T 0.3(K) 607.8 (K)
Blackbody T 0.7(K) 491.8 (K)
Tidally Locked Blackbody T 0.1(K) 769.7 (K)
Tidally Locked Blackbody T 0.3(K) 722.9 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : TTV
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : KOI-1599
Alternate Name : "KIC 5474613, 2MASS J19532972+4037063, KOI-1599, Kepler-1659, WISE J195329.69+403706.1"
Star Distance(LY) : 3812.7
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5370 (K)
Spectral type : G7
UV portion[%]: 6.2
Visible portion[%]: 42.2
IR portion[%]: 51.6
Metalicity : 0.1
Absolute Magnitude: 4.2
Apparent Magnitude: 14.6
Right Ascension(RA) 298.3738
Declination (DEC) 40.6184
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
KOI-1599.01
KOI-1599.01

  • KOI-1599.01 is an exoplanet orbiting the star KOI-1599, located about 3812.7 light-years (1169.0 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star KOI-1599 has apparent magnitude of 14.6, with absolute magnitude of 4.2.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5370 with its spectral types of G7
  • In this planetary system, the extrasolar planet KOI-1599.01 orbits around the star KOI-1599 every 20.4 days with its orbital distance of 0.15 AU ( 22032774.4 km)
  • (Projected orbit of KOI-1599.01 around its host star KOI-1599)


  • The Star KOI-1599 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.606 AU ( 90652214.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.838 AU ( 125305050.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.276 AU ( 190937167.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.878 AU ( 280972406.4 km)
  • Radiation at Planetary Boundary of KOI-1599.01 : 44234.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KOI-1599)



  • Kopparapu Recent Venus for Star KOI-1599 distance : 0.643 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KOI-1599 distance : 0.814 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KOI-1599 distance : 0.787 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KOI-1599 distance : 0.863 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-1599 distance : 1.456 AU
  • Kopparapu Outer Boundary for Early Mars for Star KOI-1599 distance : 1.536 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KOI-1599)



  • Original Kopparapu Recent Venus for Star KOI-1599 distance : 0.639 AU
  • Original Kopparapu Runaway Greenhouse for Star KOI-1599 distance : 0.838 AU
  • Original Kopparapu Moist Greenhouse for Star KOI-1599 distance : 0.846 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-1599 distance : 1.481 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KOI-1599 distance : 1.540 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KOI-1599)



    (Position in Stellar Map of star KOI-1599 and its Exoplanet KOI-1599.01)



    (Zoomed position in Stellar Map of star KOI-1599 and its Exoplanet KOI-1599.01 (zoom level 3))

    (Synthetic Spectrum of star KOI-1599*)
    *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