Imaginary Picture of HIP 116454 b

Display orbital revolution of HIP 116454 b around the hoststar HIP 116454
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Exoplanet Name : HIP 116454 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2260 (Rjup) 2.5332 (Rearth)
Mass (Mjup / Me): 0.0372 (Mjup) 11.8273 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0980 (AU) 0.0980 (AU Est.)
Eccentricity : 0.2050
Orbital Period(Yrs) 0.0250
Orbital Period(Observed/Estimated) 9.13 (Days Obs.) 12.73 (Days Est.)
Surface Gravity (G Earth) 1.8430
Star Radiation at Atmospheric Boundary: 43904.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 646.1 (K)
Blackbody T 0.3(K) 606.7 (K)
Blackbody T 0.7(K) 490.9 (K)
Tidally Locked Blackbody T 0.1(K) 768.3 (K)
Tidally Locked Blackbody T 0.3(K) 721.5 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HIP 116454
Alternate Name :
Star Distance(LY) : 201.0
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5089 (K)
Spectral type : K2
UV portion[%]: 3.8
Visible portion[%]: 38.3
IR portion[%]: 57.9
Metalicity : -0.2
Absolute Magnitude: 6.2
Apparent Magnitude: 10.2
Right Ascension(RA) 353.9554
Declination (DEC) 0.4456
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Andrew Vanderburg, Benjamin T. Montet, John Asher Johnson, Lars A. Buchhave, Li Zeng1, Francesco Pepe, Andrew Collier Cameron, David W. Latham1, Emilio Molinari, Stス。スュephane Udry, Christophe Lovis, Jaymie M. Matthews, Chris Cameron, Nicholas Law, Brendan P. Bowler, Ruth Angus, Christoph Baranec, Allyson Bieryla, Walter Boschin, David Charbonneau, Rosario Cosentino, Xavier Dumusque, Pedro Figueira, David B. Guenther, Avet Harutyunyan, Coel Hellier, Rainer Kuschnig, Mercedes Lopez-Morales, Michel Mayor, Giusi Micela, Anthony F. J. Moffat, Marco Pedani, David F. Phillips, Giampaolo Piotto9,, Don Pollacco, Didier Queloz, Ken Rice, Reed Riddle, Jason F. Rowe, Slavek M. Rucinski, Dimitar Sasselov, Damien Sス。スュegransan, Alessandro Sozzetti, Andrew Szentgyorgyi, Chris Watson, Werner W. Weiss"
Discovery Paper - Title CHARACTERIZING K2 PLANET DISCOVERIES: A SUPER-EARTH TRANSITING THE BRIGHT K-DWARF HIP116454
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HIP+116454+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HIP%20116454%20b/
HIP 116454 b
HIP 116454 b

  • HIP 116454 b is an exoplanet orbiting the star HIP 116454, located about 201.0 light-years (61.6 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star HIP 116454 has apparent magnitude of 10.2, with absolute magnitude of 6.2.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5089 with its spectral types of K2
  • In this planetary system, the extrasolar planet HIP 116454 b orbits around the star HIP 116454 every 9.1 days with its orbital distance of 0.10 AU ( 14660591.3 km)
  • (Projected orbit of HIP 116454 b around its host star HIP 116454)


  • The Star HIP 116454 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.402 AU ( 60094681.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.555 AU ( 83066554.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.846 AU ( 126575046.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.245 AU ( 186260725.1 km)
  • Radiation at Planetary Boundary of HIP 116454 b : 43904.45 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 116454)



  • Kopparapu Recent Venus for Star HIP 116454 distance : 0.433 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 116454 distance : 0.548 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 116454 distance : 0.529 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 116454 distance : 0.581 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 116454 distance : 0.989 AU
  • Kopparapu Outer Boundary for Early Mars for Star HIP 116454 distance : 1.044 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 116454)



  • Original Kopparapu Recent Venus for Star HIP 116454 distance : 0.429 AU
  • Original Kopparapu Runaway Greenhouse for Star HIP 116454 distance : 0.564 AU
  • Original Kopparapu Moist Greenhouse for Star HIP 116454 distance : 0.567 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 116454 distance : 1.006 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HIP 116454 distance : 1.046 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 116454)



    (Position in Stellar Map of star HIP 116454 and its Exoplanet HIP 116454 b)



    (Zoomed position in Stellar Map of star HIP 116454 and its Exoplanet HIP 116454 b (zoom level 3))

    (Synthetic Spectrum of star HIP 116454*)
    *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