Imaginary Picture of Kepler-417 c

Display orbital revolution of Kepler-417 c around the hoststar Kepler-417
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Exoplanet Name : Kepler-417 c
Alternate Name : "2MASS J19351783+4246469 c, K02113.01, KIC 7207061 c, KOI-2113 c, KOI-2113.01"
Status : Confirmed
Radius (Rjup / Re): 0.2400 (Rjup) 2.6902 (Rearth)
Mass (Mjup / Me): 0.0208 (Mjup) 6.6223 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1197 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0436
Orbital Period(Observed/Estimated) 15.94 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9151
Star Radiation at Atmospheric Boundary: 42156.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 639.5 (K)
Blackbody T 0.3(K) 600.6 (K)
Blackbody T 0.7(K) 485.9 (K)
Tidally Locked Blackbody T 0.1(K) 760.5 (K)
Tidally Locked Blackbody T 0.3(K) 714.2 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : TTV
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-417
Alternate Name : "Kepler-417, 2MASS J19351783+4246469, KIC 7207061, KOI-2113, WISE J193517.82+424646.7"
Star Distance(LY) : 3186.6
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5379 (K)
Spectral type : M9
UV portion[%]: 0.2
Visible portion[%]: 11.2
IR portion[%]: 88.6
Metalicity : 0.0
Absolute Magnitude: 4.5
Apparent Magnitude: 14.4
Right Ascension(RA) 293.8243
Declination (DEC) 42.7797
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
Kepler-417 c
Kepler-417 c

  • Kepler-417 c is an exoplanet orbiting the star Kepler-417, located about 3186.6 light-years (977.0 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-417 has apparent magnitude of 14.4, 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 5379 with its spectral types of M9
  • In this planetary system, the extrasolar planet Kepler-417 c orbits around the star Kepler-417 every 15.9 days with its orbital distance of 0.12 AU ( 17905761.5 km)
  • (Projected orbit of Kepler-417 c around its host star Kepler-417)


  • The Star Kepler-417 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.481 AU ( 71921140.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.665 AU ( 99413811.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.013 AU ( 151484648.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.490 AU ( 222916295.8 km)
  • Radiation at Planetary Boundary of Kepler-417 c : 42156.73 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-417)



  • Kopparapu Recent Venus for Star Kepler-417 distance : 0.510 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-417 distance : 0.646 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-417 distance : 0.624 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-417 distance : 0.684 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-417 distance : 1.154 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-417 distance : 1.217 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-417)



  • Original Kopparapu Recent Venus for Star Kepler-417 distance : 0.507 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-417 distance : 0.665 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-417 distance : 0.671 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-417 distance : 1.174 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-417 distance : 1.221 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-417)



    (Position in Stellar Map of star Kepler-417 and its Exoplanet Kepler-417 c)



    (Zoomed position in Stellar Map of star Kepler-417 and its Exoplanet Kepler-417 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-417*)
    *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