Imaginary Picture of nu2 Lup d

Display orbital revolution of nu2 Lup d around the hoststar nu2 Lup
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Exoplanet Name : nu2 Lup d
Alternate Name : HD 136352 d
Status : Confirmed
Radius (Rjup / Re): 0.2237 (Rjup) 2.5070 (Rearth)
Mass (Mjup / Me): 0.0272 (Mjup) 8.6638 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.4240 (AU) 0.4240 (AU Est.)
Eccentricity : 0.0750
Orbital Period(Yrs) 0.2933
Orbital Period(Observed/Estimated) 107.14 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3785
Star Radiation at Atmospheric Boundary: 6082.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 394.1 (K)
Blackbody T 0.3(K) 370.1 (K)
Blackbody T 0.7(K) 299.5 (K)
Tidally Locked Blackbody T 0.1(K) 468.7 (K)
Tidally Locked Blackbody T 0.3(K) 440.2 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : nu2 Lup
Alternate Name : HD 136352
Star Distance(LY) : 48.3
Stellar Radius(Rsun) : 0.9 (Rsun Estimated)
Stellar Mass(Msun) : 0.0 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5700 (K)
Spectral type : G4V
UV portion[%]: 7.6
Visible portion[%]: 44.4
IR portion[%]: 48.0
Metalicity : 0.0
Absolute Magnitude: 4.8
Apparent Magnitude: 5.7
Right Ascension(RA) 230.4500
Declination (DEC) -48.3175
Hubble Space Telescope Guide Star Catalog (GSC) ID 08298-01229
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+136352+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20136352%20c/
nu2 Lup d
nu2 Lup d

  • nu2 Lup d is an exoplanet orbiting the star nu2 Lup, located about 48.3 light-years (14.8 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star nu2 Lup has apparent magnitude of 5.7, with absolute magnitude of 4.8.
  • In this planetary system, the extrasolar planet nu2 Lup d orbits around the star nu2 Lup every 107.1 days with its orbital distance of 0.42 AU ( 63429497.2 km)
  • (Projected orbit of nu2 Lup d around its host star nu2 Lup)


  • The Star nu2 Lup 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.647 AU ( 96773886.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.894 AU ( 133766800.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.363 AU ( 203831001.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.005 AU ( 299946248.0 km)
  • Radiation at Planetary Boundary of nu2 Lup d : 6082.38 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star nu2 Lup)



  • Kopparapu Recent Venus for Star nu2 Lup distance : 0.674 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star nu2 Lup distance : 0.853 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star nu2 Lup distance : 0.824 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star nu2 Lup distance : 0.903 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star nu2 Lup distance : 1.510 AU
  • Kopparapu Outer Boundary for Early Mars for Star nu2 Lup distance : 1.592 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star nu2 Lup)



  • Original Kopparapu Recent Venus for Star nu2 Lup distance : 0.673 AU
  • Original Kopparapu Runaway Greenhouse for Star nu2 Lup distance : 0.877 AU
  • Original Kopparapu Moist Greenhouse for Star nu2 Lup distance : 0.891 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star nu2 Lup distance : 1.536 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star nu2 Lup distance : 1.597 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star nu2 Lup)



    (Position in Stellar Map of star nu2 Lup and its Exoplanet nu2 Lup d)



    (Zoomed position in Stellar Map of star nu2 Lup and its Exoplanet nu2 Lup d (zoom level 3))

    (Synthetic Spectrum of star nu2 Lup*)
    *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