Imaginary Picture of SDSS J105754 b

Display orbital revolution of SDSS J105754 b around the hoststar SDSS J105754
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Exoplanet Name : SDSS J105754 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 56.0000 (Mjup) 17804.5280 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0030 (AU) 0.0030 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0002
Orbital Period(Observed/Estimated) 0.06 (Days Obs.) 0.07 (Days Est.)
Surface Gravity (G Earth) 171.9443
Star Radiation at Atmospheric Boundary: 1277874239.1 (W/m2)
Measured Temperature (K) 2100.0 (K)
Blackbody T 0.1(K) 8438.5 (K)
Blackbody T 0.3(K) 7924.6 (K)
Blackbody T 0.7(K) 6411.9 (K)
Tidally Locked Blackbody T 0.1(K) 10035.1 (K)
Tidally Locked Blackbody T 0.3(K) 9424.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : SDSS J105754
Alternate Name :
Star Distance(LY) : 1121.3
Stellar Radius(Rsun) : 0.7 (Rsun Estimated)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 11500 (K)
Spectral type : B9
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 12.3
Apparent Magnitude: 20.0
Right Ascension(RA) 164.4750
Declination (DEC) 27.8297
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
SDSS J105754 b
SDSS J105754 b

  • SDSS J105754 b is an exoplanet orbiting the star SDSS J105754, located about 1121.3 light-years (343.8 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star SDSS J105754 has apparent magnitude of 20.0, with absolute magnitude of 12.3.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 11500 with its spectral types of B9
  • In this planetary system, the extrasolar planet SDSS J105754 b orbits around the star SDSS J105754 every 0.1 days with its orbital distance of 0.00 AU ( 448793.6 km)
  • (Projected orbit of SDSS J105754 b around its host star SDSS J105754)


  • The Star SDSS J105754 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.098 AU ( 313849195.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.900 AU ( 433821606.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.419 AU ( 661048123.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 6.503 AU ( 972761272.9 km)
  • Radiation at Planetary Boundary of SDSS J105754 b : 1277874239.15 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star SDSS J105754)



  • Kopparapu Recent Venus for Star SDSS J105754 distance : nan AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star SDSS J105754 distance : nan AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star SDSS J105754 distance : nan AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star SDSS J105754 distance : nan AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star SDSS J105754 distance : nan AU
  • Kopparapu Outer Boundary for Early Mars for Star SDSS J105754 distance : nan AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star SDSS J105754)



  • Original Kopparapu Recent Venus for Star SDSS J105754 distance : 16.847 AU
  • Original Kopparapu Runaway Greenhouse for Star SDSS J105754 distance : nan AU
  • Original Kopparapu Moist Greenhouse for Star SDSS J105754 distance : 22.346 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star SDSS J105754 distance : nan AU
  • Original Kopparapu Outer Boundary for Early Mars for Star SDSS J105754 distance : nan AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star SDSS J105754)



    (Position in Stellar Map of star SDSS J105754 and its Exoplanet SDSS J105754 b)



    (Zoomed position in Stellar Map of star SDSS J105754 and its Exoplanet SDSS J105754 b (zoom level 3))

    (Synthetic Spectrum of star SDSS J105754*)
    *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