Imaginary Picture of HD 213519 Ab

Display orbital revolution of HD 213519 Ab around the hoststar HD 213519 A
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Exoplanet Name : HD 213519 Ab
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1592 (Rjup) 1.7841 (Rearth)
Mass (Mjup / Me): 0.0290 (Mjup) 9.2202 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0990 (AU) 0.0990 (AU Est.)
Eccentricity : 0.4130
Orbital Period(Yrs) 0.0304
Orbital Period(Observed/Estimated) 11.10 (Days Obs.) 11.10 (Days Est.)
Surface Gravity (G Earth) 2.8968
Star Radiation at Atmospheric Boundary: 170703.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 907.2 (K)
Blackbody T 0.3(K) 852.0 (K)
Blackbody T 0.7(K) 689.3 (K)
Tidally Locked Blackbody T 0.1(K) 1078.8 (K)
Tidally Locked Blackbody T 0.3(K) 1013.2 (K)
Size Class: super-Earth-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 : HD 213519 A
Alternate Name :
Star Distance(LY) : 133.7
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5840 (K)
Spectral type : G1V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 3.4
Apparent Magnitude: 6.5
Right Ascension(RA) 337.7739
Declination (DEC) 45.1451
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 213519 Ab
HD 213519 Ab

  • HD 213519 Ab is an exoplanet orbiting the star HD 213519 A, located about 133.7 light-years (41.0 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star HD 213519 A has apparent magnitude of 6.5, with absolute magnitude of 3.4.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5840 with its spectral types of G1V
  • In this planetary system, the extrasolar planet HD 213519 Ab orbits around the star HD 213519 A every 11.1 days with its orbital distance of 0.10 AU ( 14810189.2 km)
  • (Projected orbit of HD 213519 Ab around its host star HD 213519 A)


  • The Star HD 213519 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.800 AU ( 119704992.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.106 AU ( 165463582.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.685 AU ( 252129882.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.480 AU ( 371020166.7 km)
  • Radiation at Planetary Boundary of HD 213519 Ab : 170703.62 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 213519 A)



  • Kopparapu Recent Venus for Star HD 213519 A distance : 0.826 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 213519 A distance : 1.046 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 213519 A distance : 1.011 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 213519 A distance : 1.108 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 213519 A distance : 1.845 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 213519 A distance : 1.946 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 213519 A)



  • Original Kopparapu Recent Venus for Star HD 213519 A distance : 0.828 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 213519 A distance : 1.075 AU
  • Original Kopparapu Moist Greenhouse for Star HD 213519 A distance : 1.096 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 213519 A distance : 1.877 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 213519 A distance : 1.952 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 213519 A)



    (Position in Stellar Map of star HD 213519 A and its Exoplanet HD 213519 Ab)



    (Zoomed position in Stellar Map of star HD 213519 A and its Exoplanet HD 213519 Ab (zoom level 3))

    (Synthetic Spectrum of star HD 213519 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