Imaginary Picture of Kepler-241 c

Display orbital revolution of Kepler-241 c around the hoststar Kepler-241
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Exoplanet Name : Kepler-241 c
Alternate Name : "2MASS J19313914+4103393 c, K00842.02, KIC 5794379 c, KOI-842 c, KOI-842.02, WISE J193139.14+410339.5 c"
Status : Confirmed
Radius (Rjup / Re): 0.2290 (Rjup) 2.5669 (Rearth)
Mass (Mjup / Me): 0.0199 (Mjup) 6.3395 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1890 (AU) 0.1890 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0987
Orbital Period(Observed/Estimated) 36.07 (Days Obs.) 34.20 (Days Est.)
Surface Gravity (G Earth) 0.9622
Star Radiation at Atmospheric Boundary: 7897.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 420.7 (K)
Blackbody T 0.3(K) 395.1 (K)
Blackbody T 0.7(K) 319.7 (K)
Tidally Locked Blackbody T 0.1(K) 500.3 (K)
Tidally Locked Blackbody T 0.3(K) 469.9 (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-241
Alternate Name : "2MASS J19313914+4103393, KIC 5794379, KOI-842, WISE J193139.14+410339.5"
Star Distance(LY) : 1450.9
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4702 (K)
Spectral type : K4
UV portion[%]: 2.2
Visible portion[%]: 34.2
IR portion[%]: 63.6
Metalicity : -0.2
Absolute Magnitude: 5.4
Apparent Magnitude: 13.6
Right Ascension(RA) 292.9131
Declination (DEC) 41.0609
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-241+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-241%20c/
Kepler-241 c
Kepler-241 c

  • Kepler-241 c is an exoplanet orbiting the star Kepler-241, located about 1450.9 light-years (444.8 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-241 has apparent magnitude of 13.6, with absolute magnitude of 5.4.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4702 with its spectral types of K4
  • In this planetary system, the extrasolar planet Kepler-241 c orbits around the star Kepler-241 every 36.1 days with its orbital distance of 0.19 AU ( 28273997.6 km)
  • (Projected orbit of Kepler-241 c around its host star Kepler-241)


  • The Star Kepler-241 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.329 AU ( 49152711.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.454 AU ( 67941892.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.692 AU ( 103528407.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.018 AU ( 152346587.5 km)
  • Radiation at Planetary Boundary of Kepler-241 c : 7896.96 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-241)



  • Kopparapu Recent Venus for Star Kepler-241 distance : 0.360 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-241 distance : 0.456 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-241 distance : 0.440 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-241 distance : 0.484 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-241 distance : 0.837 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-241 distance : 0.883 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-241)



  • Original Kopparapu Recent Venus for Star Kepler-241 distance : 0.356 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-241 distance : 0.470 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-241 distance : 0.470 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-241 distance : 0.851 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-241 distance : 0.885 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-241)



    (Position in Stellar Map of star Kepler-241 and its Exoplanet Kepler-241 c)



    (Zoomed position in Stellar Map of star Kepler-241 and its Exoplanet Kepler-241 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-241*)
    *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