Imaginary Picture of Kepler-437 b

Display orbital revolution of Kepler-437 b around the hoststar Kepler-437
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Exoplanet Name : Kepler-437 b
Alternate Name : "2MASS J19492337+4401370 b, K03255.01, KIC 8183288 b, KOI-3255 b, KOI-3255.01, WISE J194923.36+440136.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.1900 (Rjup) 2.1297 (Rearth)
Mass (Mjup / Me): 0.0168 (Mjup) 5.3291 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2880 (AU) 0.2880 (AU Est.)
Eccentricity : 0.0200
Orbital Period(Yrs) 0.1825
Orbital Period(Observed/Estimated) 66.65 (Days Obs.) 67.00 (Days Est.)
Surface Gravity (G Earth) 1.1749
Star Radiation at Atmospheric Boundary: 2921.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 328.1 (K)
Blackbody T 0.3(K) 308.1 (K)
Blackbody T 0.7(K) 249.3 (K)
Tidally Locked Blackbody T 0.1(K) 390.2 (K)
Tidally Locked Blackbody T 0.3(K) 366.5 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-437
Alternate Name : "2MASS J19492337+4401370, KIC 8183288, KOI-3255, WISE J194923.36+440136.9"
Star Distance(LY) : 907.1
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 2.9 (GY)
Temperature : 4550 (K)
Spectral type : K4
UV portion[%]: 1.7
Visible portion[%]: 31.9
IR portion[%]: 66.3
Metalicity : 0.0
Absolute Magnitude: 7.6
Apparent Magnitude: 14.8
Right Ascension(RA) 297.3474
Declination (DEC) 44.0269
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Guillermo Torres, David M. Kipping, Francois Fressin, Douglas A. Caldwell, Joseph D. Twicken, Sarah Ballard, Natalie M. Batalha, Stephen T. Bryson, David R. Ciardi, Christopher E. Henze, Steve B. Howell, Howard T. Isaacson, Jon M. Jenkins, Philip S. Muirhead, Elisabeth R. Newton, Erik A. Petigura, Thomas Barclay, William J. Borucki, Justin R. Crepp, Mark E. Everett, Elliott P. Horch, Andrew W. Howard, Rea Kolbl, Geoffrey W. Marcy, Sean McCauliff, Elisa V. Quintana"
Discovery Paper - Title Validation of Twelve Small Kepler Transiting Planets in the Habitable Zone
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-437+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-437%20b/
Kepler-437 b
Kepler-437 b

  • Kepler-437 b is an exoplanet orbiting the star Kepler-437, located about 907.1 light-years (278.1 pc) away from Solar System. Its discovery was publicly announced on 2015.
  • The host star Kepler-437 has apparent magnitude of 14.8, with absolute magnitude of 7.6.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4550 with its spectral types of K4
  • In this planetary system, the extrasolar planet Kepler-437 b orbits around the star Kepler-437 every 66.7 days with its orbital distance of 0.29 AU ( 43084186.8 km)
  • (Projected orbit of Kepler-437 b around its host star Kepler-437)


  • The Star Kepler-437 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.305 AU ( 45556534.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.421 AU ( 62971036.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.641 AU ( 95953923.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.944 AU ( 141200401.9 km)
  • Radiation at Planetary Boundary of Kepler-437 b : 2921.49 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-437)



  • Kopparapu Recent Venus for Star Kepler-437 distance : 0.336 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-437 distance : 0.425 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-437 distance : 0.411 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-437 distance : 0.451 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-437 distance : 0.785 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-437 distance : 0.829 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-437)



  • Original Kopparapu Recent Venus for Star Kepler-437 distance : 0.331 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-437 distance : 0.439 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-437 distance : 0.438 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-437 distance : 0.798 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-437 distance : 0.830 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-437)



    (Position in Stellar Map of star Kepler-437 and its Exoplanet Kepler-437 b)



    (Zoomed position in Stellar Map of star Kepler-437 and its Exoplanet Kepler-437 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-437*)
    *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