Imaginary Picture of Kepler-1642 c

Display orbital revolution of Kepler-1642 c around the hoststar Kepler-1642
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Exoplanet Name : Kepler-1642 c
Alternate Name : "2MASS J19485091+4338373 c, K06166.02, KIC 7908367 c, KOI-6166 c, KOI-6166.02, WISE J194850.90+433837.5 c"
Status : Confirmed
Radius (Rjup / Re): 0.2370 (Rjup) 2.6565 (Rearth)
Mass (Mjup / Me): 0.0206 (Mjup) 6.5453 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0663 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0182
Orbital Period(Observed/Estimated) 6.65 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9275
Star Radiation at Atmospheric Boundary: 127997.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 844.2 (K)
Blackbody T 0.3(K) 792.8 (K)
Blackbody T 0.7(K) 641.5 (K)
Tidally Locked Blackbody T 0.1(K) 1003.9 (K)
Tidally Locked Blackbody T 0.3(K) 942.8 (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-1642
Alternate Name : "2MASS J19485091+4338373, KIC 7908367, KOI-6166, WISE J194850.90+433837.5"
Star Distance(LY) : 1349.4
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5255 (K)
Spectral type : G7
UV portion[%]: 6.1
Visible portion[%]: 42.0
IR portion[%]: 51.8
Metalicity : -0.0
Absolute Magnitude: 4.5
Apparent Magnitude: 12.6
Right Ascension(RA) 297.2122
Declination (DEC) 43.6437
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. Batalha2"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1642&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1642%20c/
Kepler-1642 c
Kepler-1642 c

  • Kepler-1642 c is an exoplanet orbiting the star Kepler-1642, located about 1349.4 light-years (413.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1642 has apparent magnitude of 12.6, with absolute magnitude of 4.5.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5255 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-1642 c orbits around the star Kepler-1642 every 6.7 days with its orbital distance of 0.07 AU ( 9922794.6 km)
  • (Projected orbit of Kepler-1642 c around its host star Kepler-1642)


  • The Star Kepler-1642 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.464 AU ( 69448884.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.642 AU ( 95996507.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.978 AU ( 146277433.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.439 AU ( 215253651.4 km)
  • Radiation at Planetary Boundary of Kepler-1642 c : 127997.64 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1642)



  • Kopparapu Recent Venus for Star Kepler-1642 distance : 0.496 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1642 distance : 0.628 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1642 distance : 0.606 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1642 distance : 0.665 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1642 distance : 1.127 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1642 distance : 1.189 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1642)



  • Original Kopparapu Recent Venus for Star Kepler-1642 distance : 0.492 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1642 distance : 0.646 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1642 distance : 0.651 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1642 distance : 1.146 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1642 distance : 1.192 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1642)



    (Position in Stellar Map of star Kepler-1642 and its Exoplanet Kepler-1642 c)



    (Zoomed position in Stellar Map of star Kepler-1642 and its Exoplanet Kepler-1642 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-1642*)
    *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