Imaginary Picture of Kepler-574 b

Display orbital revolution of Kepler-574 b around the hoststar Kepler-574
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Exoplanet Name : Kepler-574 b
Alternate Name : "2MASS J19205929+5208568 b, K00487.01, KIC 12834874 b, KOI-487 b, KOI-487.01, WISE J192059.28+520856.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.2130 (Rjup) 2.3875 (Rearth)
Mass (Mjup / Me): 0.0186 (Mjup) 5.9266 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0748 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0210
Orbital Period(Observed/Estimated) 7.66 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0397
Star Radiation at Atmospheric Boundary: 153869.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 884.0 (K)
Blackbody T 0.3(K) 830.1 (K)
Blackbody T 0.7(K) 671.7 (K)
Tidally Locked Blackbody T 0.1(K) 1051.2 (K)
Tidally Locked Blackbody T 0.3(K) 987.2 (K)
Size Class: sub-Neptune-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-574
Alternate Name : "2MASS J19205929+5208568, KIC 12834874, KOI-487, WISE J192059.28+520856.8"
Star Distance(LY) : 2226.4
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5655 (K)
Spectral type : G6
UV portion[%]: 7.3
Visible portion[%]: 43.9
IR portion[%]: 48.7
Metalicity : -0.0
Absolute Magnitude: 4.2
Apparent Magnitude: 13.3
Right Ascension(RA) 290.2470
Declination (DEC) 52.1491
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 496 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-574%20b/
Kepler-574 b
Kepler-574 b

  • Kepler-574 b is an exoplanet orbiting the star Kepler-574, located about 2226.4 light-years (682.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-574 has apparent magnitude of 13.3, with absolute magnitude of 4.2.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5655 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-574 b orbits around the star Kepler-574 every 7.7 days with its orbital distance of 0.07 AU ( 11182711.1 km)
  • (Projected orbit of Kepler-574 b around its host star Kepler-574)


  • The Star Kepler-574 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.574 AU ( 85813115.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.793 AU ( 118616150.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.208 AU ( 180744764.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.778 AU ( 265973838.3 km)
  • Radiation at Planetary Boundary of Kepler-574 b : 153869.50 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-574)



  • Kopparapu Recent Venus for Star Kepler-574 distance : 0.599 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-574 distance : 0.758 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-574 distance : 0.732 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-574 distance : 0.803 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-574 distance : 1.344 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-574 distance : 1.417 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-574)



  • Original Kopparapu Recent Venus for Star Kepler-574 distance : 0.598 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-574 distance : 0.780 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-574 distance : 0.792 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-574 distance : 1.367 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-574 distance : 1.422 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-574)



    (Position in Stellar Map of star Kepler-574 and its Exoplanet Kepler-574 b)



    (Zoomed position in Stellar Map of star Kepler-574 and its Exoplanet Kepler-574 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-574*)
    *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