Imaginary Picture of Kepler-609 b

Display orbital revolution of Kepler-609 b around the hoststar Kepler-609
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Exoplanet Name : Kepler-609 b
Alternate Name : "2MASS J19285287+4442001 b, K00580.01, KIC 8625925 b, KOI-580 b, KOI-580.01, WISE J192852.87+444159.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.2990 (Rjup) 3.3515 (Rearth)
Mass (Mjup / Me): 0.0256 (Mjup) 8.1243 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0703 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0179
Orbital Period(Observed/Estimated) 6.52 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.7233
Star Radiation at Atmospheric Boundary: 332001.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1071.3 (K)
Blackbody T 0.3(K) 1006.1 (K)
Blackbody T 0.7(K) 814.0 (K)
Tidally Locked Blackbody T 0.1(K) 1274.0 (K)
Tidally Locked Blackbody T 0.3(K) 1196.5 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-609
Alternate Name : "2MASS J19285287+4442001, KIC 8625925, KOI-580, WISE J192852.87+444159.9"
Star Distance(LY) : 3477.4
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.7 (GY)
Temperature : 5836 (K)
Spectral type : G1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 3.5
Apparent Magnitude: 13.7
Right Ascension(RA) 292.2203
Declination (DEC) 44.7000
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 528 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-609+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-609%20b/
Kepler-609 b
Kepler-609 b

  • Kepler-609 b is an exoplanet orbiting the star Kepler-609, located about 3477.4 light-years (1066.2 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-609 has apparent magnitude of 13.7, with absolute magnitude of 3.5.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5836 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-609 b orbits around the star Kepler-609 every 6.5 days with its orbital distance of 0.07 AU ( 10517025.2 km)
  • (Projected orbit of Kepler-609 b around its host star Kepler-609)


  • The Star Kepler-609 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.792 AU ( 118547653.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.095 AU ( 163863836.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.669 AU ( 249692224.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.456 AU ( 367433046.0 km)
  • Radiation at Planetary Boundary of Kepler-609 b : 332001.08 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-609)



  • Kopparapu Recent Venus for Star Kepler-609 distance : 0.818 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-609 distance : 1.036 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-609 distance : 1.001 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-609 distance : 1.097 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-609 distance : 1.827 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-609 distance : 1.928 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-609)



  • Original Kopparapu Recent Venus for Star Kepler-609 distance : 0.820 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-609 distance : 1.065 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-609 distance : 1.086 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-609 distance : 1.860 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-609 distance : 1.934 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-609)



    (Position in Stellar Map of star Kepler-609 and its Exoplanet Kepler-609 b)



    (Zoomed position in Stellar Map of star Kepler-609 and its Exoplanet Kepler-609 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-609*)
    *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