Imaginary Picture of TOI-519 b

Display orbital revolution of TOI-519 b around the hoststar TOI-519
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Exoplanet Name : TOI-519 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0590 (Rjup) 11.8703 (Rearth)
Mass (Mjup / Me): 0.5250 (Mjup) 166.9175 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0165 (AU) 0.0165 (AU Est.)
Eccentricity : 0.0600
Orbital Period(Yrs) 0.0035
Orbital Period(Observed/Estimated) 1.27 (Days Obs.) 1.27 (Days Est.)
Surface Gravity (G Earth) 1.1846
Star Radiation at Atmospheric Boundary: 79120.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 748.5 (K)
Blackbody T 0.3(K) 703.0 (K)
Blackbody T 0.7(K) 568.8 (K)
Tidally Locked Blackbody T 0.1(K) 890.2 (K)
Tidally Locked Blackbody T 0.3(K) 836.0 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-519
Alternate Name :
Star Distance(LY) : 378.1
Stellar Radius(Rsun) : 0.4 (Rsun Measured)
Stellar Mass(Msun) : 0.4 (Msun Measured) 0.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3350 (K)
Spectral type : M3.5
UV portion[%]: 0.2
Visible portion[%]: 10.2
IR portion[%]: 89.5
Metalicity : 0.0
Absolute Magnitude: 16.7
Apparent Magnitude: 22.0
Right Ascension(RA) 124.6083
Declination (DEC) -19.6628
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
TOI-519 b
TOI-519 b

  • TOI-519 b is an exoplanet orbiting the star TOI-519, located about 378.1 light-years (115.9 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star TOI-519 has apparent magnitude of 22.0, with absolute magnitude of 16.7.
  • It is 0.4 times more massive and 0.4 times bigger compared with our Sun. The surface temperature is 3350 with its spectral types of M3.5
  • In this planetary system, the extrasolar planet TOI-519 b orbits around the star TOI-519 every 1.3 days with its orbital distance of 0.02 AU ( 2465372.9 km)
  • (Projected orbit of TOI-519 b around its host star TOI-519)


  • The Star TOI-519 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.091 AU ( 13566148.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.125 AU ( 18751962.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.191 AU ( 28573840.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.281 AU ( 42047658.0 km)
  • Radiation at Planetary Boundary of TOI-519 b : 79120.18 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-519)



  • Kopparapu Recent Venus for Star TOI-519 distance : 0.103 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-519 distance : 0.130 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-519 distance : 0.125 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-519 distance : 0.138 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-519 distance : 0.255 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-519 distance : 0.269 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-519)



  • Original Kopparapu Recent Venus for Star TOI-519 distance : 0.102 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-519 distance : 0.135 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-519 distance : 0.135 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-519 distance : 0.259 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-519 distance : 0.269 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-519)



    (Position in Stellar Map of star TOI-519 and its Exoplanet TOI-519 b)



    (Zoomed position in Stellar Map of star TOI-519 and its Exoplanet TOI-519 b (zoom level 3))

    (Synthetic Spectrum of star TOI-519*)
    *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