Imaginary Picture of MOA-2009-BLG-387L b

Display orbital revolution of MOA-2009-BLG-387L b around the hoststar MOA-2009-BLG-387L
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Exoplanet Name : MOA-2009-BLG-387L b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.6000 (Mjup) 826.6388 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.8000 (AU) 1.8000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 5.3934
Orbital Period(Observed/Estimated) 1970.00 (Days Obs.) 2023.59 (Days Est.)
Surface Gravity (G Earth) 7.9831
Star Radiation at Atmospheric Boundary: 2.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 54.2 (K)
Blackbody T 0.3(K) 50.9 (K)
Blackbody T 0.7(K) 41.2 (K)
Tidally Locked Blackbody T 0.1(K) 64.5 (K)
Tidally Locked Blackbody T 0.3(K) 60.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Microlensing
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : MOA-2009-BLG-387L
Alternate Name :
Star Distance(LY) : 18590.9
Stellar Radius(Rsun) : 0.2 (Rsun Estimated)
Stellar Mass(Msun) : 0.2 (Msun Measured) 0.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3300 (K)
Spectral type : M
UV portion[%]: 0.2
Visible portion[%]: 11.2
IR portion[%]: 88.6
Metalicity : 0.0
Absolute Magnitude: 8.2
Apparent Magnitude: 22.0
Right Ascension(RA) 268.4617
Declination (DEC) -33.9903
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=MOA-2009-BLG-387L+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/MOA-2009-BLG-387L%20b/
MOA-2009-BLG-387L b
MOA-2009-BLG-387L b

  • MOA-2009-BLG-387L b is an exoplanet orbiting the star MOA-2009-BLG-387L, located about 18590.9 light-years (5700.0 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star MOA-2009-BLG-387L has apparent magnitude of 22.0, with absolute magnitude of 8.2.
  • It is 0.2 times more massive and 0.2 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M
  • In this planetary system, the extrasolar planet MOA-2009-BLG-387L b orbits around the star MOA-2009-BLG-387L every 1970.0 days with its orbital distance of 1.80 AU ( 269276167.3 km)
  • (Projected orbit of MOA-2009-BLG-387L b around its host star MOA-2009-BLG-387L)


  • The Star MOA-2009-BLG-387L 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.052 AU ( 7769354.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.072 AU ( 10739278.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.109 AU ( 16364284.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.161 AU ( 24080761.2 km)
  • Radiation at Planetary Boundary of MOA-2009-BLG-387L b : 2.18 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star MOA-2009-BLG-387L)



  • Kopparapu Recent Venus for Star MOA-2009-BLG-387L distance : 0.059 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star MOA-2009-BLG-387L distance : 0.074 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star MOA-2009-BLG-387L distance : 0.072 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star MOA-2009-BLG-387L distance : 0.079 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star MOA-2009-BLG-387L distance : 0.146 AU
  • Kopparapu Outer Boundary for Early Mars for Star MOA-2009-BLG-387L distance : 0.154 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star MOA-2009-BLG-387L)



  • Original Kopparapu Recent Venus for Star MOA-2009-BLG-387L distance : 0.058 AU
  • Original Kopparapu Runaway Greenhouse for Star MOA-2009-BLG-387L distance : 0.077 AU
  • Original Kopparapu Moist Greenhouse for Star MOA-2009-BLG-387L distance : 0.077 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star MOA-2009-BLG-387L distance : 0.149 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star MOA-2009-BLG-387L distance : 0.155 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star MOA-2009-BLG-387L)



    (Position in Stellar Map of star MOA-2009-BLG-387L and its Exoplanet MOA-2009-BLG-387L b)



    (Zoomed position in Stellar Map of star MOA-2009-BLG-387L and its Exoplanet MOA-2009-BLG-387L b (zoom level 3))

    (Synthetic Spectrum of star MOA-2009-BLG-387L*)
    *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