Imaginary Picture of Kepler-403 c

Display orbital revolution of Kepler-403 c around the hoststar Kepler-403
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Exoplanet Name : Kepler-403 c
Alternate Name : "2MASS J19194115+4644404 c, K02732.03, KIC 9886361 c, KOI-2732 c, KOI-2732.03, WISE J191941.14+464440.3 c"
Status : Confirmed
Radius (Rjup / Re): 0.1560 (Rjup) 1.7486 (Rearth)
Mass (Mjup / Me): 0.0140 (Mjup) 4.4363 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2970 (AU) 0.2970 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1486
Orbital Period(Observed/Estimated) 54.28 (Days Obs.) 67.37 (Days Est.)
Surface Gravity (G Earth) 1.4509
Star Radiation at Atmospheric Boundary: 64772.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 712.0 (K)
Blackbody T 0.3(K) 668.7 (K)
Blackbody T 0.7(K) 541.0 (K)
Tidally Locked Blackbody T 0.1(K) 846.7 (K)
Tidally Locked Blackbody T 0.3(K) 795.2 (K)
Size Class: super-Earth-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-403
Alternate Name : "2MASS J19194115+4644404, KIC 9886361, KOI-2732, WISE J191941.14+464440.3"
Star Distance(LY) : 2740.5
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6094 (K)
Spectral type : G0
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.1
Absolute Magnitude: 2.2
Apparent Magnitude: 11.8
Right Ascension(RA) 289.9215
Declination (DEC) 46.7446
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-403+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-403%20c/
Kepler-403 c
Kepler-403 c

  • Kepler-403 c is an exoplanet orbiting the star Kepler-403, located about 2740.5 light-years (840.2 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-403 has apparent magnitude of 11.8, with absolute magnitude of 2.2.
  • It is 0.8 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 6094 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-403 c orbits around the star Kepler-403 every 54.3 days with its orbital distance of 0.30 AU ( 44430567.6 km)
  • (Projected orbit of Kepler-403 c around its host star Kepler-403)


  • The Star Kepler-403 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.479 AU ( 221211917.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.044 AU ( 305772678.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.115 AU ( 465929895.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.583 AU ( 685636251.9 km)
  • Radiation at Planetary Boundary of Kepler-403 c : 64772.81 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-403)



  • Kopparapu Recent Venus for Star Kepler-403 distance : 1.503 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-403 distance : 1.904 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-403 distance : 1.839 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-403 distance : 2.015 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-403 distance : 3.337 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-403 distance : 3.519 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-403)



  • Original Kopparapu Recent Venus for Star Kepler-403 distance : 1.515 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-403 distance : 1.954 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-403 distance : 2.005 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-403 distance : 3.396 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-403 distance : 3.532 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-403)



    (Position in Stellar Map of star Kepler-403 and its Exoplanet Kepler-403 c)



    (Zoomed position in Stellar Map of star Kepler-403 and its Exoplanet Kepler-403 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-403*)
    *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