Imaginary Picture of Kepler-411 d

Display orbital revolution of Kepler-411 d around the hoststar Kepler-411
/
Exoplanet Name : Kepler-411 d
Alternate Name : "2MASS J19102533+4931237 d, K01781.03, KIC 11551692 d, KOI-1781 d, KOI-1781.03, Kepler-411 A d, WISE J191025.33+493124.4
Status : Confirmed
Radius (Rjup / Re): 0.2960 (Rjup) 3.3179 (Rearth)
Mass (Mjup / Me): 0.0478 (Mjup) 15.2038 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2790 (AU) 0.2790 (AU Est.)
Eccentricity : 0.1280
Orbital Period(Yrs) 0.1588
Orbital Period(Observed/Estimated) 58.02 (Days Obs.) 57.71 (Days Est.)
Surface Gravity (G Earth) 1.3811
Star Radiation at Atmospheric Boundary: 6484.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 400.5 (K)
Blackbody T 0.3(K) 376.1 (K)
Blackbody T 0.7(K) 304.3 (K)
Tidally Locked Blackbody T 0.1(K) 476.3 (K)
Tidally Locked Blackbody T 0.3(K) 447.3 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
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) : 500.9
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.2 (GY)
Temperature : 4974 (K)
Spectral type : K2 V
UV portion[%]: 3.1
Visible portion[%]: 36.8
IR portion[%]: 60.1
Metalicity : 0.2
Absolute Magnitude: 6.6
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
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
Kepler-411 d
Kepler-411 d

  • Kepler-411 d is an exoplanet orbiting the star Kepler-411, located about 500.9 light-years (153.6 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star Kepler-411 has apparent magnitude of 12.5, with absolute magnitude of 6.6.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4974 with its spectral types of K2 V
  • In this planetary system, the extrasolar planet Kepler-411 d orbits around the star Kepler-411 every 58.0 days with its orbital distance of 0.28 AU ( 41737805.9 km)
  • (Projected orbit of Kepler-411 d 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 ) : 0.439 AU ( 65748148.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.608 AU ( 90881123.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.926 AU ( 138482719.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.362 AU ( 203783388.6 km)
  • Radiation at Planetary Boundary of Kepler-411 d : 6484.06 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 : 0.476 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-411 distance : 0.603 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-411 distance : 0.582 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-411 distance : 0.639 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-411 distance : 1.094 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-411 distance : 1.153 AU

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



  • Original Kopparapu Recent Venus for Star Kepler-411 distance : 0.471 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-411 distance : 0.621 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-411 distance : 0.623 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-411 distance : 1.112 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-411 distance : 1.156 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 d)



    (Zoomed position in Stellar Map of star Kepler-411 and its Exoplanet Kepler-411 d (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