Imaginary Picture of HD 126053 B

Display orbital revolution of HD 126053 B around the hoststar HD 126053 A
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Exoplanet Name : HD 126053 B
Alternate Name : "WISE J142320.84+011638.0, BD+01 2920 B"
Status : Confirmed
Radius (Rjup / Re): 0.9000 (Rjup) 10.0881 (Rearth)
Mass (Mjup / Me): 35.0000 (Mjup) 11127.8300 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2630.0000 (AU) 2630.0000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 52815843.61 (Days Est.)
Surface Gravity (G Earth) 109.3432
Star Radiation at Atmospheric Boundary: 0.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 4.7 (K)
Blackbody T 0.3(K) 4.4 (K)
Blackbody T 0.7(K) 3.6 (K)
Tidally Locked Blackbody T 0.1(K) 5.6 (K)
Tidally Locked Blackbody T 0.3(K) 5.2 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Imaging
Mass Detection : Spectrum
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 126053 A
Alternate Name : "2MASS J14231528+0114294, HIP 70319, BD+01 2920"
Star Distance(LY) : 56.9
Stellar Radius(Rsun) : 0.8 (Rsun Estimated)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 8.5 (GY)
Temperature : 5750 (K)
Spectral type : G1V
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.6
Metalicity : -0.4
Absolute Magnitude: 5.1
Apparent Magnitude: 6.3
Right Ascension(RA) 215.8137
Declination (DEC) 1.2416
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+126053+&submit=SIMBAD+search
Open Exoplanet Database Link
HD 126053 B
HD 126053 B

  • HD 126053 B is an exoplanet orbiting the star HD 126053 A, located about 56.9 light-years (17.4 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star HD 126053 A has apparent magnitude of 6.3, with absolute magnitude of 5.1.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5750 with its spectral types of G1V
  • (Projected orbit of HD 126053 B around its host star HD 126053 A)


  • The Star HD 126053 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.570 AU ( 85212440.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.787 AU ( 117785861.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.200 AU ( 179479587.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.765 AU ( 264112074.9 km)
  • Radiation at Planetary Boundary of HD 126053 B : 0.00 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 126053 A)



  • Kopparapu Recent Venus for Star HD 126053 A distance : 0.591 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 126053 A distance : 0.749 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 126053 A distance : 0.723 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 126053 A distance : 0.793 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 126053 A distance : 1.323 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 126053 A distance : 1.396 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 126053 A)



  • Original Kopparapu Recent Venus for Star HD 126053 A distance : 0.592 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 126053 A distance : 0.770 AU
  • Original Kopparapu Moist Greenhouse for Star HD 126053 A distance : 0.783 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 126053 A distance : 1.347 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 126053 A distance : 1.400 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 126053 A)



    (Position in Stellar Map of star HD 126053 A and its Exoplanet HD 126053 B)



    (Zoomed position in Stellar Map of star HD 126053 A and its Exoplanet HD 126053 B (zoom level 3))

    (Synthetic Spectrum of star HD 126053 A*)
    *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