Imaginary Picture of Kepler-515 b

Display orbital revolution of Kepler-515 b around the hoststar Kepler-515
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Exoplanet Name : Kepler-515 b
Alternate Name : "2MASS J19215853+5203201 b, K00298.01, KIC 12785320 b, KOI-298 b, KOI-298.01, Kepler-515 A b, WISE J192158.54+520319.4 b
Status : Confirmed
Radius (Rjup / Re): 0.1300 (Rjup) 1.4572 (Rearth)
Mass (Mjup / Me): 0.0120 (Mjup) 3.8269 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1391 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0547
Orbital Period(Observed/Estimated) 19.96 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.8023
Star Radiation at Atmospheric Boundary: 30070.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 587.7 (K)
Blackbody T 0.3(K) 551.9 (K)
Blackbody T 0.7(K) 446.6 (K)
Tidally Locked Blackbody T 0.1(K) 698.9 (K)
Tidally Locked Blackbody T 0.3(K) 656.4 (K)
Size Class: super-Earth-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-515
Alternate Name : "2MASS J19215853+5203201, KIC 12785320, KOI-298, Kepler-515 A, WISE J192158.54+520319.4"
Star Distance(LY) : 726.7
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 3.4 (GY)
Temperature : 5250 (K)
Spectral type : K0
UV portion[%]: 5.7
Visible portion[%]: 41.3
IR portion[%]: 52.9
Metalicity : 0.1
Absolute Magnitude: 4.6
Apparent Magnitude: 11.3
Right Ascension(RA) 290.4939
Declination (DEC) 52.0556
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 447 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-515%20b/
Kepler-515 b
Kepler-515 b

  • Kepler-515 b is an exoplanet orbiting the star Kepler-515, located about 726.7 light-years (222.8 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-515 has apparent magnitude of 11.3, with absolute magnitude of 4.6.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5250 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-515 b orbits around the star Kepler-515 every 20.0 days with its orbital distance of 0.14 AU ( 20802090.4 km)
  • (Projected orbit of Kepler-515 b around its host star Kepler-515)


  • The Star Kepler-515 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.472 AU ( 70567350.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.652 AU ( 97542519.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.994 AU ( 148633213.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.462 AU ( 218720285.1 km)
  • Radiation at Planetary Boundary of Kepler-515 b : 30069.98 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-515)



  • Kopparapu Recent Venus for Star Kepler-515 distance : 0.504 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-515 distance : 0.638 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-515 distance : 0.616 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-515 distance : 0.676 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-515 distance : 1.145 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-515 distance : 1.208 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-515)



  • Original Kopparapu Recent Venus for Star Kepler-515 distance : 0.500 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-515 distance : 0.657 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-515 distance : 0.662 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-515 distance : 1.165 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-515 distance : 1.212 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-515)



    (Position in Stellar Map of star Kepler-515 and its Exoplanet Kepler-515 b)



    (Zoomed position in Stellar Map of star Kepler-515 and its Exoplanet Kepler-515 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-515*)
    *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