Imaginary Picture of HD 180053 b

Display orbital revolution of HD 180053 b around the hoststar HD 180053
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Exoplanet Name : HD 180053 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.2030 (Rjup) 13.4844 (Rearth)
Mass (Mjup / Me): 2.1940 (Mjup) 697.5560 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.8430 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.5851
Orbital Period(Observed/Estimated) 213.72 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 3.8363
Star Radiation at Atmospheric Boundary: 19698.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 528.7 (K)
Blackbody T 0.3(K) 496.6 (K)
Blackbody T 0.7(K) 401.8 (K)
Tidally Locked Blackbody T 0.1(K) 628.8 (K)
Tidally Locked Blackbody T 0.3(K) 590.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 180053
Alternate Name :
Star Distance(LY) : 411.9
Stellar Radius(Rsun) : 4.1 (Rsun Measured)
Stellar Mass(Msun) : 1.8 (Msun Measured) 1.8 (Msun Estimated)
Star Age : 2.3 (GY)
Temperature : 5130 (K)
Spectral type : K0
UV portion[%]: 4.2
Visible portion[%]: 39.0
IR portion[%]: 56.8
Metalicity : 0.0
Absolute Magnitude: 2.4
Apparent Magnitude: 7.9
Right Ascension(RA) 288.4000
Declination (DEC) 34.9144
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
HD 180053 b
HD 180053 b

  • HD 180053 b is an exoplanet orbiting the star HD 180053, located about 411.9 light-years (126.3 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star HD 180053 has apparent magnitude of 7.9, with absolute magnitude of 2.4.
  • It is 1.8 times more massive and 4.1 times bigger compared with our Sun. The surface temperature is 5130 with its spectral types of K0
  • In this planetary system, the extrasolar planet HD 180053 b orbits around the star HD 180053 every 213.7 days with its orbital distance of 0.84 AU ( 126117316.8 km)
  • (Projected orbit of HD 180053 b around its host star HD 180053)


  • The Star HD 180053 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.315 AU ( 346273196.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.200 AU ( 478640049.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 4.875 AU ( 729341513.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 7.174 AU ( 1073257987.0 km)
  • Radiation at Planetary Boundary of HD 180053 b : 19698.25 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 180053)



  • Kopparapu Recent Venus for Star HD 180053 distance : 2.488 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 180053 distance : 3.150 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 180053 distance : 3.043 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 180053 distance : 3.338 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 180053 distance : 5.681 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 180053 distance : 5.992 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 180053)



  • Original Kopparapu Recent Venus for Star HD 180053 distance : 2.465 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 180053 distance : 3.245 AU
  • Original Kopparapu Moist Greenhouse for Star HD 180053 distance : 3.262 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 180053 distance : 5.777 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 180053 distance : 6.008 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 180053)



    (Position in Stellar Map of star HD 180053 and its Exoplanet HD 180053 b)



    (Zoomed position in Stellar Map of star HD 180053 and its Exoplanet HD 180053 b (zoom level 3))

    (Synthetic Spectrum of star HD 180053*)
    *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