Imaginary Picture of GJ 96 b

Display orbital revolution of GJ 96 b around the hoststar GJ 96
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Exoplanet Name : GJ 96 b
Alternate Name : GL96 b
Status : Confirmed
Radius (Rjup / Re): 0.2297 (Rjup) 2.5742 (Rearth)
Mass (Mjup / Me): 0.0619 (Mjup) 19.6676 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2910 (AU) 0.2910 (AU Est.)
Eccentricity : 0.4400
Orbital Period(Yrs) 0.2024
Orbital Period(Observed/Estimated) 73.94 (Days Obs.) 74.02 (Days Est.)
Surface Gravity (G Earth) 2.9681
Star Radiation at Atmospheric Boundary: 866.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 242.1 (K)
Blackbody T 0.3(K) 227.4 (K)
Blackbody T 0.7(K) 184.0 (K)
Tidally Locked Blackbody T 0.1(K) 287.9 (K)
Tidally Locked Blackbody T 0.3(K) 270.4 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : GJ 96
Alternate Name : Gl96
Star Distance(LY) : 38.9
Stellar Radius(Rsun) : 0.5 (Rsun Estimated)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3785 (K)
Spectral type : M0V
UV portion[%]: 0.4
Visible portion[%]: 19.3
IR portion[%]: 80.2
Metalicity : 0.1
Absolute Magnitude: 9.0
Apparent Magnitude: 9.3
Right Ascension(RA) 35.5610
Declination (DEC) 47.8800
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=GJ+96+&submit=SIMBAD+search
Open Exoplanet Database Link
GJ 96 b
GJ 96 b

  • GJ 96 b is an exoplanet orbiting the star GJ 96, located about 38.9 light-years (11.9 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star GJ 96 has apparent magnitude of 9.3, with absolute magnitude of 9.0.
  • It is 0.6 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3785 with its spectral types of M0V
  • In this planetary system, the extrasolar planet GJ 96 b orbits around the star GJ 96 every 73.9 days with its orbital distance of 0.29 AU ( 43532980.4 km)
  • (Projected orbit of GJ 96 b around its host star GJ 96)


  • The Star GJ 96 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.168 AU ( 25061130.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.232 AU ( 34641031.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.353 AU ( 52785265.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.519 AU ( 77675830.3 km)
  • Radiation at Planetary Boundary of GJ 96 b : 865.97 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star GJ 96)



  • Kopparapu Recent Venus for Star GJ 96 distance : 0.188 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star GJ 96 distance : 0.239 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star GJ 96 distance : 0.230 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star GJ 96 distance : 0.253 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 96 distance : 0.458 AU
  • Kopparapu Outer Boundary for Early Mars for Star GJ 96 distance : 0.483 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star GJ 96)



  • Original Kopparapu Recent Venus for Star GJ 96 distance : 0.186 AU
  • Original Kopparapu Runaway Greenhouse for Star GJ 96 distance : 0.247 AU
  • Original Kopparapu Moist Greenhouse for Star GJ 96 distance : 0.247 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star GJ 96 distance : 0.465 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star GJ 96 distance : 0.483 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star GJ 96)



    (Position in Stellar Map of star GJ 96 and its Exoplanet GJ 96 b)



    (Zoomed position in Stellar Map of star GJ 96 and its Exoplanet GJ 96 b (zoom level 3))

    (Synthetic Spectrum of star GJ 96*)
    *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