Imaginary Picture of HIP 71135 b

Display orbital revolution of HIP 71135 b around the hoststar HIP 71135
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Exoplanet Name : HIP 71135 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2273 (Rjup) 2.5483 (Rearth)
Mass (Mjup / Me): 0.0592 (Mjup) 18.8219 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3350 (AU) 0.3350 (AU Est.)
Eccentricity : 0.2100
Orbital Period(Yrs) 0.2387
Orbital Period(Observed/Estimated) 87.19 (Days Obs.) 87.17 (Days Est.)
Surface Gravity (G Earth) 2.8985
Star Radiation at Atmospheric Boundary: 1095.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 256.8 (K)
Blackbody T 0.3(K) 241.1 (K)
Blackbody T 0.7(K) 195.1 (K)
Tidally Locked Blackbody T 0.1(K) 305.4 (K)
Tidally Locked Blackbody T 0.3(K) 286.8 (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 : HIP 71135
Alternate Name :
Star Distance(LY) : 105.5
Stellar Radius(Rsun) : 0.6 (Rsun Estimated)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4146 (K)
Spectral type : M1
UV portion[%]: 0.8
Visible portion[%]: 26.4
IR portion[%]: 72.7
Metalicity : 0.0
Absolute Magnitude: 19.4
Apparent Magnitude: 22.0
Right Ascension(RA) 218.2176
Declination (DEC) -52.6500
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=HIP+71135+&submit=SIMBAD+search
Open Exoplanet Database Link
HIP 71135 b
HIP 71135 b

  • HIP 71135 b is an exoplanet orbiting the star HIP 71135, located about 105.5 light-years (32.4 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star HIP 71135 has apparent magnitude of 22.0, with absolute magnitude of 19.4.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4146 with its spectral types of M1
  • In this planetary system, the extrasolar planet HIP 71135 b orbits around the star HIP 71135 every 87.2 days with its orbital distance of 0.34 AU ( 50115286.7 km)
  • (Projected orbit of HIP 71135 b around its host star HIP 71135)


  • The Star HIP 71135 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.217 AU ( 32453262.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.300 AU ( 44858889.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.457 AU ( 68355020.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.672 AU ( 100587406.6 km)
  • Radiation at Planetary Boundary of HIP 71135 b : 1095.76 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 71135)



  • Kopparapu Recent Venus for Star HIP 71135 distance : 0.242 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 71135 distance : 0.307 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 71135 distance : 0.296 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 71135 distance : 0.325 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 71135 distance : 0.578 AU
  • Kopparapu Outer Boundary for Early Mars for Star HIP 71135 distance : 0.609 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 71135)



  • Original Kopparapu Recent Venus for Star HIP 71135 distance : 0.239 AU
  • Original Kopparapu Runaway Greenhouse for Star HIP 71135 distance : 0.317 AU
  • Original Kopparapu Moist Greenhouse for Star HIP 71135 distance : 0.316 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 71135 distance : 0.587 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HIP 71135 distance : 0.610 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 71135)



    (Position in Stellar Map of star HIP 71135 and its Exoplanet HIP 71135 b)



    (Zoomed position in Stellar Map of star HIP 71135 and its Exoplanet HIP 71135 b (zoom level 3))

    (Synthetic Spectrum of star HIP 71135*)
    *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