Imaginary Picture of HD 107148 c

Display orbital revolution of HD 107148 c around the hoststar HD 107148
/
Exoplanet Name : HD 107148 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2303 (Rjup) 2.5812 (Rearth)
Mass (Mjup / Me): 0.0626 (Mjup) 19.9029 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1406 (AU) 0.1406 (AU Est.)
Eccentricity : 0.3400
Orbital Period(Yrs) 0.0502
Orbital Period(Observed/Estimated) 18.33 (Days Obs.) 18.20 (Days Est.)
Surface Gravity (G Earth) 2.9872
Star Radiation at Atmospheric Boundary: 81874.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 755.0 (K)
Blackbody T 0.3(K) 709.0 (K)
Blackbody T 0.7(K) 573.7 (K)
Tidally Locked Blackbody T 0.1(K) 897.8 (K)
Tidally Locked Blackbody T 0.3(K) 843.1 (K)
Size Class: sub-Neptune-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 107148
Alternate Name :
Star Distance(LY) : 167.3
Stellar Radius(Rsun) : 1.1 (Rsun Estimated)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 5.6 (GY)
Temperature : 5797 (K)
Spectral type : G5
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.3
Absolute Magnitude: 4.5
Apparent Magnitude: 8.0
Right Ascension(RA) 184.8042
Declination (DEC) -3.3197
Hubble Space Telescope Guide Star Catalog (GSC) ID 04943-00039
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+107148&submit=SIMBAD+search
Open Exoplanet Database Link
HD 107148 c
HD 107148 c

  • HD 107148 c is an exoplanet orbiting the star HD 107148, located about 167.3 light-years (51.3 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star HD 107148 has apparent magnitude of 8.0, with absolute magnitude of 4.5.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5797 with its spectral types of G5
  • In this planetary system, the extrasolar planet HD 107148 c orbits around the star HD 107148 every 18.3 days with its orbital distance of 0.14 AU ( 21033460.6 km)
  • (Projected orbit of HD 107148 c around its host star HD 107148)


  • The Star HD 107148 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.787 AU ( 117737926.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.088 AU ( 162744583.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.658 AU ( 247986729.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.439 AU ( 364923335.5 km)
  • Radiation at Planetary Boundary of HD 107148 c : 81874.89 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 107148)



  • Kopparapu Recent Venus for Star HD 107148 distance : 0.815 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 107148 distance : 1.032 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 107148 distance : 0.997 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 107148 distance : 1.093 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 107148 distance : 1.821 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 107148 distance : 1.921 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 107148)



  • Original Kopparapu Recent Venus for Star HD 107148 distance : 0.816 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 107148 distance : 1.060 AU
  • Original Kopparapu Moist Greenhouse for Star HD 107148 distance : 1.080 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 107148 distance : 1.853 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 107148 distance : 1.927 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 107148)



    (Position in Stellar Map of star HD 107148 and its Exoplanet HD 107148 c)



    (Zoomed position in Stellar Map of star HD 107148 and its Exoplanet HD 107148 c (zoom level 3))

    (Synthetic Spectrum of star HD 107148*)
    *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