Imaginary Picture of Kepler-53 c

Display orbital revolution of Kepler-53 c around the hoststar Kepler-53
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Exoplanet Name : Kepler-53 c
Alternate Name : "2MASS J19215082+4033448 c, K00829.03, KIC 5358241 c, KOI-829 c, KOI-829.03, WISE J192150.81+403344.9 c"
Status : Confirmed
Radius (Rjup / Re): 0.2830 (Rjup) 3.1721 (Rearth)
Mass (Mjup / Me): 15.7400 (Mjup) 5004.3441 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2219 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1056
Orbital Period(Observed/Estimated) 38.56 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 497.3253
Star Radiation at Atmospheric Boundary: 32716.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 600.3 (K)
Blackbody T 0.3(K) 563.7 (K)
Blackbody T 0.7(K) 456.1 (K)
Tidally Locked Blackbody T 0.1(K) 713.8 (K)
Tidally Locked Blackbody T 0.3(K) 670.4 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-53
Alternate Name : "2MASS J19215082+4033448, KIC 5358241, KOI-829, WISE J192150.81+403344.9"
Star Distance(LY) : 4469.4
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5766 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 5.3
Apparent Magnitude: 16.0
Right Ascension(RA) 290.4618
Declination (DEC) 40.5625
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Jason H. Ste_en, Daniel C. Fabrycky, Eric Agol, Eric B. Ford, Robert C. Morehead, William D. Cochran, Jack J. Lissauer, Elisabeth R. Adams, William J. Borucki, Steve Bryson, Douglas A. Caldwell, Andrea Dupree, Jon M. Jenkins, Paul Robertson, Jason F. Rowe, Shawn Seader, Susan Thompson, and Joseph D. Twicken"
Discovery Paper - Title Transit Timing Observations from Kepler: VII. Con_rmation of 27 planets in 13 multiplanet systems via Transit Timing Variations and orbital stability
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-53+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-53%20c/
Kepler-53 c
Kepler-53 c

  • Kepler-53 c is an exoplanet orbiting the star Kepler-53, located about 4469.4 light-years (1370.3 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star Kepler-53 has apparent magnitude of 16.0, with absolute magnitude of 5.3.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5766 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-53 c orbits around the star Kepler-53 every 38.6 days with its orbital distance of 0.22 AU ( 33190915.7 km)
  • (Projected orbit of Kepler-53 c around its host star Kepler-53)


  • The Star Kepler-53 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.785 AU ( 117444825.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.085 AU ( 162339440.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.654 AU ( 247369381.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.433 AU ( 364014882.1 km)
  • Radiation at Planetary Boundary of Kepler-53 c : 32716.64 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-53)



  • Kopparapu Recent Venus for Star Kepler-53 distance : 0.814 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-53 distance : 1.031 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-53 distance : 0.996 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-53 distance : 1.092 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-53 distance : 1.821 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-53 distance : 1.921 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-53)



  • Original Kopparapu Recent Venus for Star Kepler-53 distance : 0.815 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-53 distance : 1.060 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-53 distance : 1.079 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-53 distance : 1.853 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-53 distance : 1.928 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-53)



    (Position in Stellar Map of star Kepler-53 and its Exoplanet Kepler-53 c)



    (Zoomed position in Stellar Map of star Kepler-53 and its Exoplanet Kepler-53 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-53*)
    *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