Imaginary Picture of HD 215152 c

Display orbital revolution of HD 215152 c around the hoststar HD 215152
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Exoplanet Name : HD 215152 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1002 (Rjup) 1.1229 (Rearth)
Mass (Mjup / Me): 0.0048 (Mjup) 1.5264 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0674 (AU) 0.0674 (AU Est.)
Eccentricity : 0.1630
Orbital Period(Yrs) 0.0199
Orbital Period(Observed/Estimated) 7.28 (Days Obs.) 7.28 (Days Est.)
Surface Gravity (G Earth) 1.2106
Star Radiation at Atmospheric Boundary: 85328.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 762.8 (K)
Blackbody T 0.3(K) 716.4 (K)
Blackbody T 0.7(K) 579.6 (K)
Tidally Locked Blackbody T 0.1(K) 907.1 (K)
Tidally Locked Blackbody T 0.3(K) 851.9 (K)
Size Class: Earth-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 215152
Alternate Name :
Star Distance(LY) : 70.1
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4935 (K)
Spectral type : K3V
UV portion[%]: 2.9
Visible portion[%]: 36.4
IR portion[%]: 60.6
Metalicity : -0.1
Absolute Magnitude: 4.8
Apparent Magnitude: 6.5
Right Ascension(RA) 340.8388
Declination (DEC) -6.4008
Hubble Space Telescope Guide Star Catalog (GSC) ID 05240-01342
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+215152+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20215152%20b/
HD 215152 c
HD 215152 c

  • HD 215152 c is an exoplanet orbiting the star HD 215152, located about 70.1 light-years (21.5 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star HD 215152 has apparent magnitude of 6.5, with absolute magnitude of 4.8.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4935 with its spectral types of K3V
  • In this planetary system, the extrasolar planet HD 215152 c orbits around the star HD 215152 every 7.3 days with its orbital distance of 0.07 AU ( 10082746.9 km)
  • (Projected orbit of HD 215152 c around its host star HD 215152)


  • The Star HD 215152 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.385 AU ( 57617616.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.532 AU ( 79642602.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.811 AU ( 121357702.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.194 AU ( 178583174.8 km)
  • Radiation at Planetary Boundary of HD 215152 c : 85328.13 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 215152)



  • Kopparapu Recent Venus for Star HD 215152 distance : 0.418 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 215152 distance : 0.529 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 215152 distance : 0.511 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 215152 distance : 0.561 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 215152 distance : 0.962 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 215152 distance : 1.014 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 215152)



  • Original Kopparapu Recent Venus for Star HD 215152 distance : 0.413 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 215152 distance : 0.545 AU
  • Original Kopparapu Moist Greenhouse for Star HD 215152 distance : 0.547 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 215152 distance : 0.978 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 215152 distance : 1.017 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 215152)



    (Position in Stellar Map of star HD 215152 and its Exoplanet HD 215152 c)



    (Zoomed position in Stellar Map of star HD 215152 and its Exoplanet HD 215152 c (zoom level 3))

    (Synthetic Spectrum of star HD 215152*)
    *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