Imaginary Picture of mu Leo b

Display orbital revolution of mu Leo b around the hoststar mu Leo
/
Exoplanet Name : mu Leo b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.4000 (Mjup) 763.0512 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.1000 (AU) 1.1000 (AU Est.)
Eccentricity : 0.0900
Orbital Period(Yrs) 0.9796
Orbital Period(Observed/Estimated) 357.80 (Days Obs.) 344.06 (Days Est.)
Surface Gravity (G Earth) 7.3690
Star Radiation at Atmospheric Boundary: 55858.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 686.1 (K)
Blackbody T 0.3(K) 644.4 (K)
Blackbody T 0.7(K) 521.4 (K)
Tidally Locked Blackbody T 0.1(K) 816.0 (K)
Tidally Locked Blackbody T 0.3(K) 766.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : mu Leo
Alternate Name :
Star Distance(LY) : 124.1
Stellar Radius(Rsun) : 11.4 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 3.4 (GY)
Temperature : 4538 (K)
Spectral type : K2III
UV portion[%]: 1.7
Visible portion[%]: 31.7
IR portion[%]: 66.6
Metalicity : 0.3
Absolute Magnitude: 1.0
Apparent Magnitude: 3.9
Right Ascension(RA) 148.1909
Declination (DEC) 26.0069
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "B.-C. Lee, I. Han, M.-G. Park, D. E. Mkrtichian, A. P. Hatzes, K.-M. Kim"
Discovery Paper - Title "Planetary companions in K giants beta Cancri, mu Leonis, and beta Ursae Minoris"
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=mu+Leo+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/mu%20Leo%20b/
mu Leo b
mu Leo b

  • mu Leo b is an exoplanet orbiting the star mu Leo, located about 124.1 light-years (38.1 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star mu Leo has apparent magnitude of 3.9, with absolute magnitude of 1.0.
  • It is 1.5 times more massive and 11.4 times bigger compared with our Sun. The surface temperature is 4538 with its spectral types of K2III
  • In this planetary system, the extrasolar planet mu Leo b orbits around the star mu Leo every 357.8 days with its orbital distance of 1.10 AU ( 164557657.8 km)
  • (Projected orbit of mu Leo b around its host star mu Leo)


  • The Star mu Leo 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 5.086 AU ( 760837564.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 7.030 AU ( 1051676345.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 10.712 AU ( 1602522014.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 15.763 AU ( 2358181346.6 km)
  • Radiation at Planetary Boundary of mu Leo b : 55858.22 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star mu Leo)



  • Kopparapu Recent Venus for Star mu Leo distance : 5.610 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star mu Leo distance : 7.102 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star mu Leo distance : 6.859 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star mu Leo distance : 7.533 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star mu Leo distance : 13.131 AU
  • Kopparapu Outer Boundary for Early Mars for Star mu Leo distance : 13.851 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star mu Leo)



  • Original Kopparapu Recent Venus for Star mu Leo distance : 5.535 AU
  • Original Kopparapu Runaway Greenhouse for Star mu Leo distance : 7.330 AU
  • Original Kopparapu Moist Greenhouse for Star mu Leo distance : 7.324 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star mu Leo distance : 13.346 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star mu Leo distance : 13.879 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star mu Leo)



    (Position in Stellar Map of star mu Leo and its Exoplanet mu Leo b)



    (Zoomed position in Stellar Map of star mu Leo and its Exoplanet mu Leo b (zoom level 3))

    (Synthetic Spectrum of star mu Leo*)
    *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