Imaginary Picture of Kepler-587 b
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Exoplanet Name : Kepler-587 b
Alternate Name :
Radius (Rjup / Re): 0.1990 (Rjup) 2.2306 (Rearth)
Mass (Mjup / Me): 0.0175 (Mjup) 5.5634 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0938 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0300
Orbital Period(Observed/Estimated) 10.94 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 104664.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 802.8 (K)
Blackbody T 0.3(K) 753.9 (K)
Blackbody T 0.7(K) 610.0 (K)
Tidally Locked Blackbody T 0.1(K) 954.7 (K)
Tidally Locked Blackbody T 0.3(K) 896.5 (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-587
Alternate Name :
Star Distance(LY) : 2778.8
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5549 (K)
Spectral type : G6
Metalicity : -0.1
Absolute Magnitude: 4.0
Apparent Magnitude: 13.7
Right Ascension(RA) 288.6707
Declination (DEC) 47.3991
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
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 507 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-587%20b/
Kepler-587 b
Kepler-587 b

  • Kepler-587 b is an exoplanet orbiting the star Kepler-587, located about 2778.8 light-years (852.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-587 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 5549 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-587 b orbits around the star Kepler-587 every 10.9 days with its orbital distance of 0.09 AU ( 14032879.2 km)
  • (Projected orbit of Kepler-587 b around its host star Kepler-587)


  • The Star Kepler-587 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.594 AU ( 88813210.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.821 AU ( 122763066.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.250 AU ( 187063745.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.840 AU ( 275272496.5 km)
  • Radiation at Planetary Boundary of Kepler-587 b : 104664.88 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-587)



  • Kopparapu Recent Venus for Star Kepler-587 distance : 0.624 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-587 distance : 0.790 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-587 distance : 0.763 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-587 distance : 0.837 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-587 distance : 1.404 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-587 distance : 1.481 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-587)



  • Original Kopparapu Recent Venus for Star Kepler-587 distance : 0.622 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-587 distance : 0.812 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-587 distance : 0.823 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-587 distance : 1.428 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-587 distance : 1.485 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-587)



    (Position in Stellar Map of star Kepler-587 and its Exoplanet Kepler-587 b)



    (Zoomed position in Stellar Map of star Kepler-587 and its Exoplanet Kepler-587 b (zoom level 3))