Imaginary Picture of HD 143361 b

Display orbital revolution of HD 143361 b around the hoststar HD 143361
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Exoplanet Name : HD 143361 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 3.1200 (Mjup) 991.9666 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.0000 (AU) 2.0000 (AU Est.)
Eccentricity : 0.1500
Orbital Period(Yrs) 2.8938
Orbital Period(Observed/Estimated) 1057.00 (Days Obs.) 1059.92 (Days Est.)
Surface Gravity (G Earth) 9.5798
Star Radiation at Atmospheric Boundary: 348.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 192.9 (K)
Blackbody T 0.3(K) 181.1 (K)
Blackbody T 0.7(K) 146.5 (K)
Tidally Locked Blackbody T 0.1(K) 229.3 (K)
Tidally Locked Blackbody T 0.3(K) 215.4 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 143361
Alternate Name :
Star Distance(LY) : 214.2
Stellar Radius(Rsun) : 0.9 (Rsun Estimated)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6050 (K)
Spectral type : G0V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.3
Absolute Magnitude: 5.1
Apparent Magnitude: 9.2
Right Ascension(RA) 240.4598
Declination (DEC) -44.4344
Hubble Space Telescope Guide Star Catalog (GSC) ID 07863-01386
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.harvard.edu/simbad/sim-basic?Ident=HD+143361+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20143361%20b/
HD 143361 b
HD 143361 b

  • HD 143361 b is an exoplanet orbiting the star HD 143361, located about 214.2 light-years (65.7 pc) away from Solar System. Its discovery was publicly announced on 2008.
  • The host star HD 143361 has apparent magnitude of 9.2, with absolute magnitude of 5.1.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 6050 with its spectral types of G0V
  • In this planetary system, the extrasolar planet HD 143361 b orbits around the star HD 143361 every 1057.0 days with its orbital distance of 2.00 AU ( 299195741.4 km)
  • (Projected orbit of HD 143361 b around its host star HD 143361)


  • The Star HD 143361 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.731 AU ( 109281889.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.010 AU ( 151056130.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.539 AU ( 230176114.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.264 AU ( 338714235.6 km)
  • Radiation at Planetary Boundary of HD 143361 b : 348.60 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 143361)



  • Kopparapu Recent Venus for Star HD 143361 distance : 0.745 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 143361 distance : 0.943 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 143361 distance : 0.911 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 143361 distance : 0.998 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 143361 distance : 1.654 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 143361 distance : 1.745 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 143361)



  • Original Kopparapu Recent Venus for Star HD 143361 distance : 0.750 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 143361 distance : 0.968 AU
  • Original Kopparapu Moist Greenhouse for Star HD 143361 distance : 0.992 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 143361 distance : 1.684 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 143361 distance : 1.751 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 143361)



    (Position in Stellar Map of star HD 143361 and its Exoplanet HD 143361 b)



    (Zoomed position in Stellar Map of star HD 143361 and its Exoplanet HD 143361 b (zoom level 3))

    (Synthetic Spectrum of star HD 143361*)
    *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