Imaginary Picture of Kepler-471 b

Display orbital revolution of Kepler-471 b around the hoststar Kepler-471
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Exoplanet Name : Kepler-471 b
Alternate Name : "2MASS J19562340+4329513 b, K00131.01, KIC 7778437 b, KOI-131 b, KOI-131.01, WISE J195623.40+432951.2 b"
Status : Confirmed
Radius (Rjup / Re): 1.3350 (Rjup) 14.9640 (Rearth)
Mass (Mjup / Me): 2.3322 (Mjup) 741.5067 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0655 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0137
Orbital Period(Observed/Estimated) 5.01 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 3.3115
Star Radiation at Atmospheric Boundary: 1430296.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1543.5 (K)
Blackbody T 0.3(K) 1449.5 (K)
Blackbody T 0.7(K) 1172.8 (K)
Tidally Locked Blackbody T 0.1(K) 1835.5 (K)
Tidally Locked Blackbody T 0.3(K) 1723.7 (K)
Size Class: Super-Jupiter-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-471
Alternate Name : "2MASS J19562340+4329513, KIC 7778437, KOI-131, WISE J195623.40+432951.2"
Star Distance(LY) : 4071.9
Stellar Radius(Rsun) : 1.7 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 1.6 (GY)
Temperature : 6492 (K)
Spectral type : F5
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 2.3
Apparent Magnitude: 12.8
Right Ascension(RA) 299.0975
Declination (DEC) 43.4976
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 429 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-471+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-471%20b/
Kepler-471 b
Kepler-471 b

  • Kepler-471 b is an exoplanet orbiting the star Kepler-471, located about 4071.9 light-years (1248.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-471 has apparent magnitude of 12.8, with absolute magnitude of 2.3.
  • It is 1.5 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 6492 with its spectral types of F5
  • In this planetary system, the extrasolar planet Kepler-471 b orbits around the star Kepler-471 every 5.0 days with its orbital distance of 0.07 AU ( 9796338.5 km)
  • (Projected orbit of Kepler-471 b around its host star Kepler-471)


  • The Star Kepler-471 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.532 AU ( 229196030.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.118 AU ( 316808809.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.227 AU ( 482746516.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.749 AU ( 710382647.0 km)
  • Radiation at Planetary Boundary of Kepler-471 b : 1430296.34 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-471)



  • Kopparapu Recent Venus for Star Kepler-471 distance : 1.521 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-471 distance : 1.926 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-471 distance : 1.860 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-471 distance : 2.038 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-471 distance : 3.351 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-471 distance : 3.535 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-471)



  • Original Kopparapu Recent Venus for Star Kepler-471 distance : 1.547 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-471 distance : 1.975 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-471 distance : 2.047 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-471 distance : 3.412 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-471 distance : 3.549 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-471)



    (Position in Stellar Map of star Kepler-471 and its Exoplanet Kepler-471 b)



    (Zoomed position in Stellar Map of star Kepler-471 and its Exoplanet Kepler-471 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-471*)
    *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