Imaginary Picture of Kepler-1972 b

Display orbital revolution of Kepler-1972 b around the hoststar Kepler-1972
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Exoplanet Name : Kepler-1972 b
Alternate Name : "KOI-3184 b, KOI-3184.01"
Status : Confirmed
Radius (Rjup / Re): 0.0716 (Rjup) 0.8020 (Rearth)
Mass (Mjup / Me): 0.0064 (Mjup) 2.0221 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0794 (AU) 0.0794 (AU Est.)
Eccentricity : 0.0670
Orbital Period(Yrs) 0.0207
Orbital Period(Observed/Estimated) 7.54 (Days Obs.) 7.72 (Days Est.)
Surface Gravity (G Earth) 3.1437
Star Radiation at Atmospheric Boundary: 426904.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1140.8 (K)
Blackbody T 0.3(K) 1071.4 (K)
Blackbody T 0.7(K) 866.9 (K)
Tidally Locked Blackbody T 0.1(K) 1356.7 (K)
Tidally Locked Blackbody T 0.3(K) 1274.1 (K)
Size Class: Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Theoretical
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-1972
Alternate Name : "4735826, KOI-3184, 2MASS J19133486+3952215"
Star Distance(LY) : 937.2
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 7.4 (GY)
Temperature : 5818 (K)
Spectral type : G1IV-V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.2
Absolute Magnitude: 3.9
Apparent Magnitude: 11.2
Right Ascension(RA) 288.3953
Declination (DEC) 39.8726
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
Kepler-1972 b
Kepler-1972 b

  • Kepler-1972 b is an exoplanet orbiting the star Kepler-1972, located about 937.2 light-years (287.3 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star Kepler-1972 has apparent magnitude of 11.2, with absolute magnitude of 3.9.
  • It is 1.1 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5818 with its spectral types of G1IV-V
  • In this planetary system, the extrasolar planet Kepler-1972 b orbits around the star Kepler-1972 every 7.5 days with its orbital distance of 0.08 AU ( 11878070.9 km)
  • (Projected orbit of Kepler-1972 b around its host star Kepler-1972)


  • The Star Kepler-1972 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.015 AU ( 151824422.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.403 AU ( 209861027.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.138 AU ( 319781764.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.146 AU ( 470572874.5 km)
  • Radiation at Planetary Boundary of Kepler-1972 b : 426904.62 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1972)



  • Kopparapu Recent Venus for Star Kepler-1972 distance : 1.049 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1972 distance : 1.329 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1972 distance : 1.283 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1972 distance : 1.407 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1972 distance : 2.344 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1972 distance : 2.472 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1972)



  • Original Kopparapu Recent Venus for Star Kepler-1972 distance : 1.052 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1972 distance : 1.365 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1972 distance : 1.391 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1972 distance : 2.385 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1972 distance : 2.481 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1972)



    (Position in Stellar Map of star Kepler-1972 and its Exoplanet Kepler-1972 b)



    (Zoomed position in Stellar Map of star Kepler-1972 and its Exoplanet Kepler-1972 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1972*)
    *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