Imaginary Picture of HIP 41378 c
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Exoplanet Name : HIP 41378 c
Alternate Name :
Radius (Rjup / Re): 0.2280 (Rjup) 2.5557 (Rearth)
Mass (Mjup / Me): 0.0199 (Mjup) 6.3138 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2054 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0868
Orbital Period(Observed/Estimated) 31.70 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 84158.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 760.2 (K)
Blackbody T 0.3(K) 713.9 (K)
Blackbody T 0.7(K) 577.6 (K)
Tidally Locked Blackbody T 0.1(K) 904.0 (K)
Tidally Locked Blackbody T 0.3(K) 849.0 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HIP 41378
Alternate Name :
Star Distance(LY) : 378.3
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6199 (K)
Spectral type : F8
Metalicity : -0.1
Absolute Magnitude: 3.6
Apparent Magnitude: 8.9
Right Ascension(RA) 126.6167
Declination (DEC) 10.0803
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link
HIP 41378 c
HIP 41378 c

  • HIP 41378 c is an exoplanet orbiting the star HIP 41378, located about 378.3 light-years (116.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star HIP 41378 has apparent magnitude of 8.9, with absolute magnitude of 3.6.
  • It is 1.1 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6199 with its spectral types of F8
  • In this planetary system, the extrasolar planet HIP 41378 c orbits around the star HIP 41378 every 31.7 days with its orbital distance of 0.21 AU ( 30722080.5 km)
  • (Projected orbit of HIP 41378 c around its host star HIP 41378)


  • The Star HIP 41378 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.165 AU ( 174352998.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.611 AU ( 241001407.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.455 AU ( 367232812.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.612 AU ( 540399170.5 km)
  • Radiation at Planetary Boundary of HIP 41378 c : 84158.31 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 41378)



  • Kopparapu Recent Venus for Star HIP 41378 distance : 1.177 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 41378 distance : 1.491 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 41378 distance : 1.440 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 41378 distance : 1.578 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 41378 distance : 2.608 AU
  • Kopparapu Outer Boundary for Early Mars for Star HIP 41378 distance : 2.750 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 41378)



  • Original Kopparapu Recent Venus for Star HIP 41378 distance : 1.190 AU
  • Original Kopparapu Runaway Greenhouse for Star HIP 41378 distance : 1.530 AU
  • Original Kopparapu Moist Greenhouse for Star HIP 41378 distance : 1.574 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 41378 distance : 2.654 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HIP 41378 distance : 2.760 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 41378)



    (Position in Stellar Map of star HIP 41378 and its Exoplanet HIP 41378 c)



    (Zoomed position in Stellar Map of star HIP 41378 and its Exoplanet HIP 41378 c (zoom level 3))