Imaginary Picture of Kepler-374 c

Display orbital revolution of Kepler-374 c around the hoststar Kepler-374
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Exoplanet Name : Kepler-374 c
Alternate Name : "2MASS J19363310+4222138 c, K02220.01, KIC 6871071 c, KOI-2220 c, KOI-2220.01, WISE J193633.09+422213.5 c"
Radius (Rjup / Re): 0.0980 (Rjup) 1.0985 (Rearth)
Mass (Mjup / Me): 0.0043 (Mjup) 1.3709 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0420 (AU) 0.0420 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0090
Orbital Period(Observed/Estimated) 3.28 (Days Obs.) 3.43 (Days Est.)
Surface Gravity (G Earth) 1.1361
Star Radiation at Atmospheric Boundary: 1423059.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1541.5 (K)
Blackbody T 0.3(K) 1447.6 (K)
Blackbody T 0.7(K) 1171.3 (K)
Tidally Locked Blackbody T 0.1(K) 1833.2 (K)
Tidally Locked Blackbody T 0.3(K) 1721.6 (K)
Size Class: 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-374
Alternate Name : "2MASS J19363310+4222138, KIC 6871071, KOI-2220, WISE J193633.09+422213.5"
Star Distance(LY) : 4128.2
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5730 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.4
Absolute Magnitude: 3.0
Apparent Magnitude: 13.5
Right Ascension(RA) 294.1379
Declination (DEC) 42.3705
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-374+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-374%20c/
Kepler-374 c
Kepler-374 c

  • Kepler-374 c is an exoplanet orbiting the star Kepler-374, located about 4128.2 light-years (1265.7 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-374 has apparent magnitude of 13.5, with absolute magnitude of 3.0.
  • It is 0.8 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5730 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-374 c orbits around the star Kepler-374 every 3.3 days with its orbital distance of 0.04 AU ( 6283110.6 km)
  • (Projected orbit of Kepler-374 c around its host star Kepler-374)


  • The Star Kepler-374 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.980 AU ( 146627886.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.355 AU ( 202678057.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.064 AU ( 308836506.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.038 AU ( 454466448.9 km)
  • Radiation at Planetary Boundary of Kepler-374 c : 1423059.81 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-374)



  • Kopparapu Recent Venus for Star Kepler-374 distance : 1.019 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-374 distance : 1.290 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-374 distance : 1.246 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-374 distance : 1.366 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-374 distance : 2.281 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-374 distance : 2.406 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-374)



  • Original Kopparapu Recent Venus for Star Kepler-374 distance : 1.019 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-374 distance : 1.326 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-374 distance : 1.349 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-374 distance : 2.321 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-374 distance : 2.414 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-374)



    (Position in Stellar Map of star Kepler-374 and its Exoplanet Kepler-374 c)



    (Zoomed position in Stellar Map of star Kepler-374 and its Exoplanet Kepler-374 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-374*)
    *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