Imaginary Picture of Kepler-505 b

Display orbital revolution of Kepler-505 b around the hoststar Kepler-505
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Exoplanet Name : Kepler-505 b
Alternate Name : "2MASS J19112594+4232334 b, K00255.01, KIC 7021681 b, KOI-255 b, KOI-255.01, WISE J191125.91+423233.6 b"
Status : Confirmed
Radius (Rjup / Re): 0.2320 (Rjup) 2.6005 (Rearth)
Mass (Mjup / Me): 0.0202 (Mjup) 6.4167 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1462 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0753
Orbital Period(Observed/Estimated) 27.52 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9489
Star Radiation at Atmospheric Boundary: 4860.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 372.7 (K)
Blackbody T 0.3(K) 350.0 (K)
Blackbody T 0.7(K) 283.2 (K)
Tidally Locked Blackbody T 0.1(K) 443.2 (K)
Tidally Locked Blackbody T 0.3(K) 416.2 (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-505
Alternate Name : "2MASS J19112594+4232334, KIC 7021681, KOI-255, WISE J191125.91+423233.6"
Star Distance(LY) : 924.1
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 3.2 (GY)
Temperature : 3780 (K)
Spectral type : K7
UV portion[%]: 0.6
Visible portion[%]: 22.5
IR portion[%]: 76.9
Metalicity : -0.2
Absolute Magnitude: 5.7
Apparent Magnitude: 12.9
Right Ascension(RA) 287.8581
Declination (DEC) 42.5426
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 438 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-505%20b/
Kepler-505 b
Kepler-505 b

  • Kepler-505 b is an exoplanet orbiting the star Kepler-505, located about 924.1 light-years (283.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-505 has apparent magnitude of 12.9, with absolute magnitude of 5.7.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3780 with its spectral types of K7
  • In this planetary system, the extrasolar planet Kepler-505 b orbits around the star Kepler-505 every 27.5 days with its orbital distance of 0.15 AU ( 21866164.4 km)
  • (Projected orbit of Kepler-505 b around its host star Kepler-505)


  • The Star Kepler-505 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.199 AU ( 29821369.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.276 AU ( 41220925.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.420 AU ( 62811568.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.618 AU ( 92429974.3 km)
  • Radiation at Planetary Boundary of Kepler-505 b : 4860.15 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-505)



  • Kopparapu Recent Venus for Star Kepler-505 distance : 0.224 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-505 distance : 0.284 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-505 distance : 0.274 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-505 distance : 0.301 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-505 distance : 0.545 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-505 distance : 0.575 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-505)



  • Original Kopparapu Recent Venus for Star Kepler-505 distance : 0.222 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-505 distance : 0.294 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-505 distance : 0.294 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-505 distance : 0.553 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-505 distance : 0.575 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-505)



    (Position in Stellar Map of star Kepler-505 and its Exoplanet Kepler-505 b)



    (Zoomed position in Stellar Map of star Kepler-505 and its Exoplanet Kepler-505 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-505*)
    *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