Imaginary Picture of YZ LMi b

Display orbital revolution of YZ LMi b around the hoststar YZ LMi
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Exoplanet Name : YZ LMi b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.4700 (Rjup) 5.2682 (Rearth)
Mass (Mjup / Me): 35.0000 (Mjup) 11127.8300 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0014 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0001
Orbital Period(Observed/Estimated) 0.02 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 400.9415
Star Radiation at Atmospheric Boundary: 4733463.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2081.8 (K)
Blackbody T 0.3(K) 1955.0 (K)
Blackbody T 0.7(K) 1581.8 (K)
Tidally Locked Blackbody T 0.1(K) 2475.7 (K)
Tidally Locked Blackbody T 0.3(K) 2324.9 (K)
Size Class: sub-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Theoretical
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : YZ LMi
Alternate Name :
Star Distance(LY) : 1787.3
Stellar Radius(Rsun) : 0.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 17000 (K)
Spectral type : DB
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 10.3
Apparent Magnitude: 19.0
Right Ascension(RA) 141.6583
Declination (DEC) 36.4006
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=YZ+LMi&submit=SIMBAD+search
Open Exoplanet Database Link
YZ LMi b
YZ LMi b

  • YZ LMi b is an exoplanet orbiting the star YZ LMi, located about 1787.3 light-years (548.0 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star YZ LMi has apparent magnitude of 19.0, with absolute magnitude of 10.3.
  • It is 0.9 times more massive compared with our Sun. The surface temperature is 17000 with its spectral types of DB
  • In this planetary system, the extrasolar planet YZ LMi b orbits around the star YZ LMi every 0.0 days with its orbital distance of 0.00 AU ( 203333.1 km)
  • (Projected orbit of YZ LMi b around its host star YZ LMi)


  • The Star YZ LMi 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.058 AU ( 8654219.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.080 AU ( 11962393.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.122 AU ( 18228040.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.179 AU ( 26823360.1 km)
  • Radiation at Planetary Boundary of YZ LMi b : 4733462.99 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star YZ LMi)



  • Kopparapu Recent Venus for Star YZ LMi distance : nan AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star YZ LMi distance : nan AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star YZ LMi distance : nan AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star YZ LMi distance : nan AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star YZ LMi distance : nan AU
  • Kopparapu Outer Boundary for Early Mars for Star YZ LMi distance : nan AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star YZ LMi)



  • Original Kopparapu Recent Venus for Star YZ LMi distance : nan AU
  • Original Kopparapu Runaway Greenhouse for Star YZ LMi distance : nan AU
  • Original Kopparapu Moist Greenhouse for Star YZ LMi distance : nan AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star YZ LMi distance : nan AU
  • Original Kopparapu Outer Boundary for Early Mars for Star YZ LMi distance : nan AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star YZ LMi)



    (Position in Stellar Map of star YZ LMi and its Exoplanet YZ LMi b)



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

    (Synthetic Spectrum of star YZ LMi*)
    *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