Imaginary Picture of Kepler-487 b

Display orbital revolution of Kepler-487 b around the hoststar Kepler-487
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Exoplanet Name : Kepler-487 b
Alternate Name : "2MASS J19410893+4113190 b, K00191.01, KIC 5972334 b, KOI-191 b, KOI-191.01, WISE J194108.94+411319.0 b"
Status : Confirmed
Radius (Rjup / Re): 1.0190 (Rjup) 11.4220 (Rearth)
Mass (Mjup / Me): 1.0372 (Mjup) 329.7568 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1172 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0420
Orbital Period(Observed/Estimated) 15.36 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 2.5276
Star Radiation at Atmospheric Boundary: 68593.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 722.3 (K)
Blackbody T 0.3(K) 678.3 (K)
Blackbody T 0.7(K) 548.8 (K)
Tidally Locked Blackbody T 0.1(K) 859.0 (K)
Tidally Locked Blackbody T 0.3(K) 806.7 (K)
Size Class: Jupiter-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-487
Alternate Name : "2MASS J19410893+4113190, KIC 5972334, KOI-191, WISE J194108.94+411319.0"
Star Distance(LY) : 2845.5
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 5.6 (GY)
Temperature : 5456 (K)
Spectral type : G7
UV portion[%]: 6.6
Visible portion[%]: 42.8
IR portion[%]: 50.6
Metalicity : 0.0
Absolute Magnitude: 4.0
Apparent Magnitude: 13.7
Right Ascension(RA) 295.2872
Declination (DEC) 41.2220
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 440 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-487%20b/
Kepler-487 b
Kepler-487 b

  • Kepler-487 b is an exoplanet orbiting the star Kepler-487, located about 2845.5 light-years (872.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-487 has apparent magnitude of 13.7, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5456 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-487 b orbits around the star Kepler-487 every 15.4 days with its orbital distance of 0.12 AU ( 17530056.7 km)
  • (Projected orbit of Kepler-487 b around its host star Kepler-487)


  • The Star Kepler-487 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.600 AU ( 89816580.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.830 AU ( 124149986.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.265 AU ( 189177104.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.861 AU ( 278382396.7 km)
  • Radiation at Planetary Boundary of Kepler-487 b : 68593.95 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-487)



  • Kopparapu Recent Venus for Star Kepler-487 distance : 0.634 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-487 distance : 0.803 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-487 distance : 0.776 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-487 distance : 0.851 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-487 distance : 1.431 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-487 distance : 1.510 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-487)



  • Original Kopparapu Recent Venus for Star Kepler-487 distance : 0.631 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-487 distance : 0.826 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-487 distance : 0.835 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-487 distance : 1.456 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-487 distance : 1.514 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-487)



    (Position in Stellar Map of star Kepler-487 and its Exoplanet Kepler-487 b)



    (Zoomed position in Stellar Map of star Kepler-487 and its Exoplanet Kepler-487 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-487*)
    *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