Imaginary Picture of Kepler-1674 b

Display orbital revolution of Kepler-1674 b around the hoststar Kepler-1674
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Exoplanet Name : Kepler-1674 b
Alternate Name : "2MASS J19391586+4518220 b, K01892.01, KIC 9030537 b, KOI-1892 b, KOI-1892.01, WISE J193915.85+451821.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.2860 (Rjup) 3.2058 (Rearth)
Mass (Mjup / Me): 0.0245 (Mjup) 7.7953 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3008 (AU) 0.3008 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1713
Orbital Period(Observed/Estimated) 62.56 (Days Obs.) 62.65 (Days Est.)
Surface Gravity (G Earth) 0.7585
Star Radiation at Atmospheric Boundary: 8254.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 425.4 (K)
Blackbody T 0.3(K) 399.5 (K)
Blackbody T 0.7(K) 323.2 (K)
Tidally Locked Blackbody T 0.1(K) 505.9 (K)
Tidally Locked Blackbody T 0.3(K) 475.1 (K)
Size Class: 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-1674
Alternate Name : "9030537, 2MASS J19391586+4518220, KIC 9030537, KOI-1892, WISE J193915.85+451821.8"
Star Distance(LY) : 3398.8
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5326 (K)
Spectral type : K0
UV portion[%]: 6.0
Visible portion[%]: 41.7
IR portion[%]: 52.3
Metalicity : -0.1
Absolute Magnitude: 5.2
Apparent Magnitude: 15.3
Right Ascension(RA) 294.8161
Declination (DEC) 45.3061
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1674+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-1674 b
Kepler-1674 b

  • Kepler-1674 b is an exoplanet orbiting the star Kepler-1674, located about 3398.8 light-years (1042.1 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star Kepler-1674 has apparent magnitude of 15.3, with absolute magnitude of 5.2.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5326 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-1674 b orbits around the star Kepler-1674 every 62.6 days with its orbital distance of 0.30 AU ( 44999039.5 km)
  • (Projected orbit of Kepler-1674 b around its host star Kepler-1674)


  • The Star Kepler-1674 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.535 AU ( 79979685.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.739 AU ( 110552825.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.126 AU ( 168458041.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.657 AU ( 247893387.5 km)
  • Radiation at Planetary Boundary of Kepler-1674 b : 8254.53 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1674)



  • Kopparapu Recent Venus for Star Kepler-1674 distance : 0.569 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1674 distance : 0.720 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1674 distance : 0.696 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1674 distance : 0.763 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1674 distance : 1.290 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1674 distance : 1.360 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1674)



  • Original Kopparapu Recent Venus for Star Kepler-1674 distance : 0.565 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1674 distance : 0.741 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1674 distance : 0.748 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1674 distance : 1.312 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1674 distance : 1.364 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1674)



    (Position in Stellar Map of star Kepler-1674 and its Exoplanet Kepler-1674 b)



    (Zoomed position in Stellar Map of star Kepler-1674 and its Exoplanet Kepler-1674 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1674*)
    *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