Imaginary Picture of HD 156098 c

Display orbital revolution of HD 156098 c around the hoststar HD 156098
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Exoplanet Name : HD 156098 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 5.2280 (Mjup) 1662.1799 (Mearth)
Semi Major Axis / Orbital Distance Calculated 8.4150 (AU) 8.4150 (AU Est.)
Eccentricity : 0.3910
Orbital Period(Yrs) 21.4685
Orbital Period(Observed/Estimated) 7841.60 (Days Obs.) 7850.12 (Days Est.)
Surface Gravity (G Earth) 16.0522
Star Radiation at Atmospheric Boundary: 223.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 172.6 (K)
Blackbody T 0.3(K) 162.1 (K)
Blackbody T 0.7(K) 131.1 (K)
Tidally Locked Blackbody T 0.1(K) 205.2 (K)
Tidally Locked Blackbody T 0.3(K) 192.7 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : "Radial Velocity, Astrometry"
Mass Detection : Astrometry
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 156098
Alternate Name :
Star Distance(LY) : 157.4
Stellar Radius(Rsun) : 2.8 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6419 (K)
Spectral type : F6IV
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 2.1
Apparent Magnitude: 5.5
Right Ascension(RA) 259.2652
Declination (DEC) -32.6628
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
HD 156098 c
HD 156098 c

  • HD 156098 c is an exoplanet orbiting the star HD 156098, located about 157.4 light-years (48.2 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star HD 156098 has apparent magnitude of 5.5, with absolute magnitude of 2.1.
  • It is 1.3 times more massive and 2.8 times bigger compared with our Sun. The surface temperature is 6419 with its spectral types of F6IV
  • In this planetary system, the extrasolar planet HD 156098 c orbits around the star HD 156098 every 7841.6 days with its orbital distance of 8.41 AU ( 1258866081.9 km)
  • (Projected orbit of HD 156098 c around its host star HD 156098)


  • The Star HD 156098 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.461 AU ( 368154090.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.402 AU ( 508885162.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.183 AU ( 775428372.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 7.628 AU ( 1141076819.1 km)
  • Radiation at Planetary Boundary of HD 156098 c : 223.48 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 156098)



  • Kopparapu Recent Venus for Star HD 156098 distance : 2.454 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 156098 distance : 3.108 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 156098 distance : 3.001 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 156098 distance : 3.288 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 156098 distance : 5.413 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 156098 distance : 5.709 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 156098)



  • Original Kopparapu Recent Venus for Star HD 156098 distance : 2.491 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 156098 distance : 3.186 AU
  • Original Kopparapu Moist Greenhouse for Star HD 156098 distance : 3.296 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 156098 distance : 5.511 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 156098 distance : 5.731 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 156098)



    (Position in Stellar Map of star HD 156098 and its Exoplanet HD 156098 c)



    (Zoomed position in Stellar Map of star HD 156098 and its Exoplanet HD 156098 c (zoom level 3))

    (Synthetic Spectrum of star HD 156098*)
    *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