Imaginary Picture of TOI-2319 b

Display orbital revolution of TOI-2319 b around the hoststar HD 152843
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Exoplanet Name : TOI-2319 b
Alternate Name : HD 152843 b
Status : Confirmed
Radius (Rjup / Re): 0.2721 (Rjup) 3.0500 (Rearth)
Mass (Mjup / Me): 0.0309 (Mjup) 9.8243 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1049 (AU) 0.1049 (AU Est.)
Eccentricity : 0.0460
Orbital Period(Yrs) 0.0318
Orbital Period(Observed/Estimated) 11.63 (Days Obs.) 11.57 (Days Est.)
Surface Gravity (G Earth) 1.0561
Star Radiation at Atmospheric Boundary: 361279.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1094.2 (K)
Blackbody T 0.3(K) 1027.6 (K)
Blackbody T 0.7(K) 831.4 (K)
Tidally Locked Blackbody T 0.1(K) 1301.3 (K)
Tidally Locked Blackbody T 0.3(K) 1222.0 (K)
Size Class: sub-Neptune-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 : HD 152843
Alternate Name : TOI-2319
Star Distance(LY) : 351.9
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6310 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.2
Absolute Magnitude: 3.7
Apparent Magnitude: 8.8
Right Ascension(RA) 253.7833
Declination (DEC) 20.4914
Hubble Space Telescope Guide Star Catalog (GSC) ID 01529-00224
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+152843&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-2319 b
TOI-2319 b

  • TOI-2319 b is an exoplanet orbiting the star HD 152843, located about 351.9 light-years (107.9 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star HD 152843 has apparent magnitude of 8.8, with absolute magnitude of 3.7.
  • It is 1.1 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6310 with its spectral types of G0
  • In this planetary system, the extrasolar planet TOI-2319 b orbits around the star HD 152843 every 11.6 days with its orbital distance of 0.10 AU ( 15692816.6 km)
  • (Projected orbit of TOI-2319 b around its host star HD 152843)


  • The Star HD 152843 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.233 AU ( 184524003.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.705 AU ( 255060394.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.598 AU ( 388655596.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.823 AU ( 571923736.3 km)
  • Radiation at Planetary Boundary of TOI-2319 b : 361279.52 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 152843)



  • Kopparapu Recent Venus for Star HD 152843 distance : 1.238 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 152843 distance : 1.568 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 152843 distance : 1.514 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 152843 distance : 1.659 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 152843 distance : 2.736 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 152843 distance : 2.885 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 152843)



  • Original Kopparapu Recent Venus for Star HD 152843 distance : 1.254 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 152843 distance : 1.608 AU
  • Original Kopparapu Moist Greenhouse for Star HD 152843 distance : 1.659 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 152843 distance : 2.785 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 152843 distance : 2.896 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 152843)



    (Position in Stellar Map of star HD 152843 and its Exoplanet TOI-2319 b)



    (Zoomed position in Stellar Map of star HD 152843 and its Exoplanet TOI-2319 b (zoom level 3))

    (Synthetic Spectrum of star HD 152843*)
    *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