Imaginary Picture of LSPM J0407+1911 (AB)b

Display orbital revolution of LSPM J0407+1911 (AB)b around the hoststar LSPM J0407+1911
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Exoplanet Name : LSPM J0407+1911 (AB)b
Alternate Name : CWISE J040702.50+190944.6
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 50.0000 (Mjup) 15896.9000 (Mearth)
Semi Major Axis / Orbital Distance Calculated 16000.0000 (AU) 16000.0000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 2830860.2092
Orbital Period(Observed/Estimated) 1034000000.00 (Days Obs.) 1089911619.87 (Days Est.)
Surface Gravity (G Earth) 153.5217
Star Radiation at Atmospheric Boundary: 0.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 0.8 (K)
Blackbody T 0.3(K) 0.8 (K)
Blackbody T 0.7(K) 0.6 (K)
Tidally Locked Blackbody T 0.1(K) 1.0 (K)
Tidally Locked Blackbody T 0.3(K) 0.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Imaging
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : LSPM J0407+1911
Alternate Name : LDS 5503
Star Distance(LY) : 171.7
Stellar Radius(Rsun) : 0.4 (Rsun Estimated)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3418 (K)
Spectral type : M4V
UV portion[%]: 0.3
Visible portion[%]: 11.9
IR portion[%]: 87.8
Metalicity : 0.0
Absolute Magnitude: 11.6
Apparent Magnitude: 15.2
Right Ascension(RA) 61.8415
Declination (DEC) 19.1941
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
LSPM J0407+1911 (AB)b
LSPM J0407+1911 (AB)b

  • LSPM J0407+1911 (AB)b is an exoplanet orbiting the star LSPM J0407+1911, located about 171.7 light-years (52.6 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star LSPM J0407+1911 has apparent magnitude of 15.2, with absolute magnitude of 11.6.
  • It is 0.5 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3418 with its spectral types of M4V
  • In this planetary system, the extrasolar planet LSPM J0407+1911 (AB)b orbits around the star LSPM J0407+1911 every 1034000000.0 days with its orbital distance of 16000.00 AU ( 2393565931200.0 km)
  • (Projected orbit of LSPM J0407+1911 (AB)b around its host star LSPM J0407+1911)


  • The Star LSPM J0407+1911 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.111 AU ( 16655981.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.154 AU ( 23022918.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.235 AU ( 35081832.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.345 AU ( 51624454.0 km)
  • Radiation at Planetary Boundary of LSPM J0407+1911 (AB)b : 0.00 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LSPM J0407+1911)



  • Kopparapu Recent Venus for Star LSPM J0407+1911 distance : 0.126 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star LSPM J0407+1911 distance : 0.159 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star LSPM J0407+1911 distance : 0.154 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star LSPM J0407+1911 distance : 0.169 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star LSPM J0407+1911 distance : 0.311 AU
  • Kopparapu Outer Boundary for Early Mars for Star LSPM J0407+1911 distance : 0.328 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star LSPM J0407+1911)



  • Original Kopparapu Recent Venus for Star LSPM J0407+1911 distance : 0.125 AU
  • Original Kopparapu Runaway Greenhouse for Star LSPM J0407+1911 distance : 0.165 AU
  • Original Kopparapu Moist Greenhouse for Star LSPM J0407+1911 distance : 0.165 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LSPM J0407+1911 distance : 0.316 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star LSPM J0407+1911 distance : 0.329 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star LSPM J0407+1911)



    (Position in Stellar Map of star LSPM J0407+1911 and its Exoplanet LSPM J0407+1911 (AB)b)



    (Zoomed position in Stellar Map of star LSPM J0407+1911 and its Exoplanet LSPM J0407+1911 (AB)b (zoom level 3))

    (Synthetic Spectrum of star LSPM J0407+1911*)
    *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