Imaginary Picture of KOI-4896 c

Display orbital revolution of KOI-4896 c around the hoststar 2MASS J19233610+4844461
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Exoplanet Name : KOI-4896 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1320 (Rjup) 1.4796 (Rearth)
Mass (Mjup / Me): 0.0127 (Mjup) 4.0473 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2637 (AU) 0.2637 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1356
Orbital Period(Observed/Estimated) 49.54 (Days Obs.) 49.56 (Days Est.)
Surface Gravity (G Earth) 1.8488
Star Radiation at Atmospheric Boundary: 25941.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 566.4 (K)
Blackbody T 0.3(K) 531.9 (K)
Blackbody T 0.7(K) 430.4 (K)
Tidally Locked Blackbody T 0.1(K) 673.6 (K)
Tidally Locked Blackbody T 0.3(K) 632.6 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : 2MASS J19233610+4844461
Alternate Name : 11135694
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6120 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.2
Absolute Magnitude: 25.0
Apparent Magnitude: 15.2
Right Ascension(RA) 290.9004
Declination (DEC) 48.7461
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
KOI-4896 c
KOI-4896 c

  • KOI-4896 c is an exoplanet orbiting the star 2MASS J19233610+4844461. Its discovery was publicly announced on 2017.
  • The host star 2MASS J19233610+4844461 has apparent magnitude of 15.2, with absolute magnitude of 25.0.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 6120 with its spectral types of G0
  • In this planetary system, the extrasolar planet KOI-4896 c orbits around the star 2MASS J19233610+4844461 every 49.5 days with its orbital distance of 0.26 AU ( 39448958.5 km)
  • (Projected orbit of KOI-4896 c around its host star 2MASS J19233610+4844461)


  • The Star 2MASS J19233610+4844461 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.831 AU ( 124297076.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.148 AU ( 171811042.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.750 AU ( 261802006.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.575 AU ( 385253121.5 km)
  • Radiation at Planetary Boundary of KOI-4896 c : 25941.21 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J19233610+4844461)



  • Kopparapu Recent Venus for Star 2MASS J19233610+4844461 distance : 0.843 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J19233610+4844461 distance : 1.068 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J19233610+4844461 distance : 1.032 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J19233610+4844461 distance : 1.131 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19233610+4844461 distance : 1.871 AU
  • Kopparapu Outer Boundary for Early Mars for Star 2MASS J19233610+4844461 distance : 1.973 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J19233610+4844461)



  • Original Kopparapu Recent Venus for Star 2MASS J19233610+4844461 distance : 0.851 AU
  • Original Kopparapu Runaway Greenhouse for Star 2MASS J19233610+4844461 distance : 1.096 AU
  • Original Kopparapu Moist Greenhouse for Star 2MASS J19233610+4844461 distance : 1.126 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19233610+4844461 distance : 1.904 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J19233610+4844461 distance : 1.980 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J19233610+4844461)



    (Position in Stellar Map of star 2MASS J19233610+4844461 and its Exoplanet KOI-4896 c)



    (Zoomed position in Stellar Map of star 2MASS J19233610+4844461 and its Exoplanet KOI-4896 c (zoom level 3))

    (Synthetic Spectrum of star 2MASS J19233610+4844461*)
    *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