Imaginary Picture of Kepler-411 b

Display orbital revolution of Kepler-411 b around the hoststar Kepler-411
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Exoplanet Name : Kepler-411 b
Alternate Name : " KOI-1781 b, 2MASS J19102533+4931237 b, K01781.02, KIC 11551692 b, KOI-1781 b, KOI-1781.02, Kepler-411 A b, WISE J19102
Radius (Rjup / Re): 0.2140 (Rjup) 2.3987 (Rearth)
Mass (Mjup / Me): 0.0805 (Mjup) 25.6099 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0375 (AU) 0.0375 (AU Est.)
Eccentricity : 0.1460
Orbital Period(Yrs) 0.0082
Orbital Period(Observed/Estimated) 3.01 (Days Obs.) 2.84 (Days Est.)
Surface Gravity (G Earth) 4.4509
Star Radiation at Atmospheric Boundary: 264891.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1012.5 (K)
Blackbody T 0.3(K) 950.9 (K)
Blackbody T 0.7(K) 769.4 (K)
Tidally Locked Blackbody T 0.1(K) 1204.1 (K)
Tidally Locked Blackbody T 0.3(K) 1130.8 (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-411
Alternate Name : "KOI-1781, 2MASS J19102533+4931237, KIC 11551692, Kepler-411 A, WISE J191025.33+493124.4"
Star Distance(LY) : 465.7
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.2 (GY)
Temperature : 4920 (K)
Spectral type : K2 V
UV portion[%]: 3.1
Visible portion[%]: 36.8
IR portion[%]: 60.1
Metalicity : 0.2
Absolute Magnitude: 6.7
Apparent Magnitude: 12.5
Right Ascension(RA) 287.6056
Declination (DEC) 49.5233
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-411+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-411 b
Kepler-411 b

  • Kepler-411 b is an exoplanet orbiting the star Kepler-411, located about 465.7 light-years (142.8 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star Kepler-411 has apparent magnitude of 12.5, with absolute magnitude of 6.7.
  • It is 0.9 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4920 with its spectral types of K2 V
  • In this planetary system, the extrasolar planet Kepler-411 b orbits around the star Kepler-411 every 3.0 days with its orbital distance of 0.04 AU ( 5609920.2 km)
  • (Projected orbit of Kepler-411 b around its host star Kepler-411)


  • The Star Kepler-411 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.378 AU ( 56483397.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.522 AU ( 78074816.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.795 AU ( 118968742.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.170 AU ( 175067716.6 km)
  • Radiation at Planetary Boundary of Kepler-411 b : 264891.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-411)



  • Kopparapu Recent Venus for Star Kepler-411 distance : 0.410 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-411 distance : 0.519 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-411 distance : 0.501 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-411 distance : 0.550 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-411 distance : 0.944 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-411 distance : 0.996 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-411)



  • Original Kopparapu Recent Venus for Star Kepler-411 distance : 0.405 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-411 distance : 0.535 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-411 distance : 0.536 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-411 distance : 0.960 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-411 distance : 0.998 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-411)



    (Position in Stellar Map of star Kepler-411 and its Exoplanet Kepler-411 b)



    (Zoomed position in Stellar Map of star Kepler-411 and its Exoplanet Kepler-411 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-411*)
    *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