Imaginary Picture of EPIC 220674823 c

Display orbital revolution of EPIC 220674823 c around the hoststar EPIC 220674823
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Exoplanet Name : EPIC 220674823 c
Alternate Name : "K2-106 c, 2MASS J00521914+1047409 c, EPIC 220674823.02, TYC 608-458-1 c, WISE J005219.18+104740.9 c"
Status : Confirmed
Radius (Rjup / Re): 0.2440 (Rjup) 2.7350 (Rearth)
Mass (Mjup / Me): 0.0180 (Mjup) 5.7229 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1091 (AU) 0.1091 (AU Est.)
Eccentricity : 0.1800
Orbital Period(Yrs) 0.0365
Orbital Period(Observed/Estimated) 13.34 (Days Obs.) 13.36 (Days Est.)
Surface Gravity (G Earth) 0.7651
Star Radiation at Atmospheric Boundary: 98497.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 790.7 (K)
Blackbody T 0.3(K) 742.5 (K)
Blackbody T 0.7(K) 600.8 (K)
Tidally Locked Blackbody T 0.1(K) 940.3 (K)
Tidally Locked Blackbody T 0.3(K) 883.0 (K)
Size Class: sub-Neptune-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 : EPIC 220674823
Alternate Name : "K2-106, TYC 608-458-1, 2MASS J00521914+1047409, WISE J005219.18+104740.9"
Star Distance(LY) : 802.7
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 5.0 (GY)
Temperature : 5617 (K)
Spectral type : G5 V
UV portion[%]: 7.3
Visible portion[%]: 44.0
IR portion[%]: 48.7
Metalicity : 0.1
Absolute Magnitude: 5.1
Apparent Magnitude: 12.1
Right Ascension(RA) 13.0798
Declination (DEC) 10.7947
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/EPIC%20220674823%20c/
EPIC 220674823 c
EPIC 220674823 c

  • EPIC 220674823 c is an exoplanet orbiting the star EPIC 220674823, located about 802.7 light-years (246.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star EPIC 220674823 has apparent magnitude of 12.1, with absolute magnitude of 5.1.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5617 with its spectral types of G5 V
  • In this planetary system, the extrasolar planet EPIC 220674823 c orbits around the star EPIC 220674823 every 13.3 days with its orbital distance of 0.11 AU ( 16321127.7 km)
  • (Projected orbit of EPIC 220674823 c around its host star EPIC 220674823)


  • The Star EPIC 220674823 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.670 AU ( 100205840.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.926 AU ( 138510658.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.411 AU ( 211059591.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.076 AU ( 310583434.9 km)
  • Radiation at Planetary Boundary of EPIC 220674823 c : 98497.49 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 220674823)



  • Kopparapu Recent Venus for Star EPIC 220674823 distance : 0.701 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 220674823 distance : 0.888 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 220674823 distance : 0.857 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 220674823 distance : 0.940 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 220674823 distance : 1.574 AU
  • Kopparapu Outer Boundary for Early Mars for Star EPIC 220674823 distance : 1.661 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 220674823)



  • Original Kopparapu Recent Venus for Star EPIC 220674823 distance : 0.700 AU
  • Original Kopparapu Runaway Greenhouse for Star EPIC 220674823 distance : 0.913 AU
  • Original Kopparapu Moist Greenhouse for Star EPIC 220674823 distance : 0.926 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 220674823 distance : 1.602 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star EPIC 220674823 distance : 1.666 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 220674823)



    (Position in Stellar Map of star EPIC 220674823 and its Exoplanet EPIC 220674823 c)



    (Zoomed position in Stellar Map of star EPIC 220674823 and its Exoplanet EPIC 220674823 c (zoom level 3))

    (Synthetic Spectrum of star EPIC 220674823*)
    *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