Imaginary Picture of KELT-15 b

Display orbital revolution of KELT-15 b around the hoststar KELT-15
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Exoplanet Name : KELT-15 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.4430 (Rjup) 16.1746 (Rearth)
Mass (Mjup / Me): 0.9200 (Mjup) 292.5030 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0461 (AU) 0.0461 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0091
Orbital Period(Observed/Estimated) 3.33 (Days Obs.) 3.33 (Days Est.)
Surface Gravity (G Earth) 1.1181
Star Radiation at Atmospheric Boundary: 1641426.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1597.5 (K)
Blackbody T 0.3(K) 1500.2 (K)
Blackbody T 0.7(K) 1213.9 (K)
Tidally Locked Blackbody T 0.1(K) 1899.8 (K)
Tidally Locked Blackbody T 0.3(K) 1784.1 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : KELT-15
Alternate Name :
Star Distance(LY) : 1208.0
Stellar Radius(Rsun) : 1.5 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6003 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 3.6
Apparent Magnitude: 11.4
Right Ascension(RA) 117.4150
Declination (DEC) -52.1206
Hubble Space Telescope Guide Star Catalog (GSC) ID 08146-00086
Discovered by
Discovery Paper - Authors "Joseph E. Rodriguez, Knicole D. Colon, Keivan G. Stassun, Duncan Wright, Phillip A. Cargile, Daniel Bayliss, Joshua Pepper, Karen A. Collins, Rudolf B. Kuhn, Michael B. Lund, Robert J. Siverd, George Zhou, B. Scott Gaudi, C.G. Tinney, Kaloyan Penev, T.G. Tan, Chris Stockdale, Ivan A. Curtis, David James, Stephane Udry, Damien Segransan, Allyson Bieryla, David W. Latham, Thomas G. Beatty, Jason D. Eastman, Gordon Myers, Jonathan Bartz, Joao Bento, Eric L. N. Jensen, Thomas E. Oberst, Daniel J. Stevens"
Discovery Paper - Title KELT-14b and KELT-15b: An Independent Discovery of WASP-122b and a New Hot Jupiter
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=KELT-15+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/KELT-15%20b/
KELT-15 b
KELT-15 b
  • KELT-15 b is an exoplanet orbiting the star KELT-15, located about 1208.0 light-years (370.4 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star KELT-15 has apparent magnitude of 11.4, with absolute magnitude of 3.6.
  • It is 1.2 times more massive and 1.5 times bigger compared with our Sun. The surface temperature is 6003 with its spectral types of G0
  • In this planetary system, the extrasolar planet KELT-15 b orbits around the star KELT-15 every 3.3 days with its orbital distance of 0.05 AU ( 6900949.8 km)
    • (Projected orbit of KELT-15 b around its host star KELT-15)


  • The Star KELT-15 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.156 AU ( 172961665.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.598 AU ( 239078221.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.435 AU ( 364302301.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.584 AU ( 536086796.0 km)
  • Radiation at Planetary Boundary of KELT-15 b : 1641426.32 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KELT-15)



  • Kopparapu Recent Venus for Star KELT-15 distance : 1.182 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KELT-15 distance : 1.497 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KELT-15 distance : 1.446 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KELT-15 distance : 1.585 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-15 distance : 2.629 AU
  • Kopparapu Outer Boundary for Early Mars for Star KELT-15 distance : 2.773 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KELT-15)



  • Original Kopparapu Recent Venus for Star KELT-15 distance : 1.189 AU
  • Original Kopparapu Runaway Greenhouse for Star KELT-15 distance : 1.537 AU
  • Original Kopparapu Moist Greenhouse for Star KELT-15 distance : 1.573 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-15 distance : 2.676 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KELT-15 distance : 2.782 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KELT-15)



    (Position in Stellar Map of star KELT-15 and its Exoplanet KELT-15 b)



    (Zoomed position in Stellar Map of star KELT-15 and its Exoplanet KELT-15 b (zoom level 3))

    (Synthetic Spectrum of star KELT-15*)
    *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