Imaginary Picture of MOA-2009-BLG-266L b

Display orbital revolution of MOA-2009-BLG-266L b around the hoststar MOA-2009-BLG-266L
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Exoplanet Name : MOA-2009-BLG-266L b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1983 (Rjup) 2.2231 (Rearth)
Mass (Mjup / Me): 0.0327 (Mjup) 10.3966 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.2000 (AU) 3.2000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 7.6110
Orbital Period(Observed/Estimated) 2780.00 (Days Obs.) 2793.97 (Days Est.)
Surface Gravity (G Earth) 2.1037
Star Radiation at Atmospheric Boundary: 3.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 61.9 (K)
Blackbody T 0.3(K) 58.1 (K)
Blackbody T 0.7(K) 47.0 (K)
Tidally Locked Blackbody T 0.1(K) 73.6 (K)
Tidally Locked Blackbody T 0.3(K) 69.1 (K)
Size Class: sub-Neptune-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-266L
Alternate Name :
Star Distance(LY) : 9915.1
Stellar Radius(Rsun) : 0.5 (Rsun Estimated)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3300 (K)
Spectral type : M9
UV portion[%]: 0.2
Visible portion[%]: 11.2
IR portion[%]: 88.6
Metalicity : 0.0
Absolute Magnitude: 9.6
Apparent Magnitude: 22.0
Right Ascension(RA) 267.0248
Declination (DEC) -35.0053
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-266L+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/MOA-2009-BLG-266L%20b/
MOA-2009-BLG-266L b
MOA-2009-BLG-266L b

  • MOA-2009-BLG-266L b is an exoplanet orbiting the star MOA-2009-BLG-266L, located about 9915.1 light-years (3040.0 pc) away from Solar System. Its discovery was publicly announced on 2010.
  • The host star MOA-2009-BLG-266L has apparent magnitude of 22.0, with absolute magnitude of 9.6.
  • It is 0.6 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
  • In this planetary system, the extrasolar planet MOA-2009-BLG-266L b orbits around the star MOA-2009-BLG-266L every 2780.0 days with its orbital distance of 3.20 AU ( 478713186.2 km)
  • (Projected orbit of MOA-2009-BLG-266L b around its host star MOA-2009-BLG-266L)


  • The Star MOA-2009-BLG-266L 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.120 AU ( 18020899.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.167 AU ( 24909592.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.254 AU ( 37956706.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.373 AU ( 55854956.2 km)
  • Radiation at Planetary Boundary of MOA-2009-BLG-266L b : 3.70 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star MOA-2009-BLG-266L)



  • Kopparapu Recent Venus for Star MOA-2009-BLG-266L distance : 0.136 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star MOA-2009-BLG-266L distance : 0.173 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star MOA-2009-BLG-266L distance : 0.167 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star MOA-2009-BLG-266L distance : 0.183 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star MOA-2009-BLG-266L distance : 0.339 AU
  • Kopparapu Outer Boundary for Early Mars for Star MOA-2009-BLG-266L distance : 0.358 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star MOA-2009-BLG-266L)



  • Original Kopparapu Recent Venus for Star MOA-2009-BLG-266L distance : 0.136 AU
  • Original Kopparapu Runaway Greenhouse for Star MOA-2009-BLG-266L distance : 0.179 AU
  • Original Kopparapu Moist Greenhouse for Star MOA-2009-BLG-266L distance : 0.179 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star MOA-2009-BLG-266L distance : 0.345 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star MOA-2009-BLG-266L distance : 0.358 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star MOA-2009-BLG-266L)



    (Position in Stellar Map of star MOA-2009-BLG-266L and its Exoplanet MOA-2009-BLG-266L b)



    (Zoomed position in Stellar Map of star MOA-2009-BLG-266L and its Exoplanet MOA-2009-BLG-266L b (zoom level 3))

    (Synthetic Spectrum of star MOA-2009-BLG-266L*)
    *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