Imaginary Picture of Kepler-618 b

Display orbital revolution of Kepler-618 b around the hoststar Kepler-618
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Exoplanet Name : Kepler-618 b
Alternate Name : "2MASS J19045995+4803393 b, K00600.01, KIC 10718726 b, KOI-600 b, KOI-600.01, WISE J190459.96+480339.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.2320 (Rjup) 2.6005 (Rearth)
Mass (Mjup / Me): 0.0202 (Mjup) 6.4167 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0467 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0098
Orbital Period(Observed/Estimated) 3.60 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9489
Star Radiation at Atmospheric Boundary: 898395.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1374.1 (K)
Blackbody T 0.3(K) 1290.4 (K)
Blackbody T 0.7(K) 1044.1 (K)
Tidally Locked Blackbody T 0.1(K) 1634.1 (K)
Tidally Locked Blackbody T 0.3(K) 1534.5 (K)
Size Class: sub-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-618
Alternate Name : "2MASS J19045995+4803393, KIC 10718726, KOI-600, WISE J190459.96+480339.3"
Star Distance(LY) : 3987.5
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 5742 (K)
Spectral type : G2
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.7
Metalicity : 0.1
Absolute Magnitude: 3.2
Apparent Magnitude: 13.7
Right Ascension(RA) 286.2498
Declination (DEC) 48.0609
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 538 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-618+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-618%20b/
Kepler-618 b
Kepler-618 b

  • Kepler-618 b is an exoplanet orbiting the star Kepler-618, located about 3987.5 light-years (1222.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-618 has apparent magnitude of 13.7, with absolute magnitude of 3.2.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5742 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-618 b orbits around the star Kepler-618 every 3.6 days with its orbital distance of 0.05 AU ( 6984300.8 km)
  • (Projected orbit of Kepler-618 b around its host star Kepler-618)


  • The Star Kepler-618 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.866 AU ( 129505170.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.197 AU ( 179009989.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.823 AU ( 272771609.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.683 AU ( 401395372.6 km)
  • Radiation at Planetary Boundary of Kepler-618 b : 898395.89 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-618)



  • Kopparapu Recent Venus for Star Kepler-618 distance : 0.899 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-618 distance : 1.139 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-618 distance : 1.100 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-618 distance : 1.206 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-618 distance : 2.013 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-618 distance : 2.123 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-618)



  • Original Kopparapu Recent Venus for Star Kepler-618 distance : 0.900 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-618 distance : 1.170 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-618 distance : 1.190 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-618 distance : 2.048 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-618 distance : 2.130 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-618)



    (Position in Stellar Map of star Kepler-618 and its Exoplanet Kepler-618 b)



    (Zoomed position in Stellar Map of star Kepler-618 and its Exoplanet Kepler-618 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-618*)
    *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