Imaginary Picture of HD 190007 b

Display orbital revolution of HD 190007 b around the hoststar HD 190007
/
Exoplanet Name : HD 190007 b
Alternate Name : "2MASS J20024703+0319344 b, BD+02 4076 b, GJ 775 b, HIP 98698 b, IRAS 20002+0310 b, LSPM J2002+0319 b, SAO 125379 b, TIC
Status : Confirmed
Radius (Rjup / Re): 0.2205 (Rjup) 2.4711 (Rearth)
Mass (Mjup / Me): 0.0518 (Mjup) 16.4660 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0920 (AU) 0.0920 (AU Est.)
Eccentricity : 0.1400
Orbital Period(Yrs) 0.0321
Orbital Period(Observed/Estimated) 11.72 (Days Obs.) 11.62 (Days Est.)
Surface Gravity (G Earth) 2.6966
Star Radiation at Atmospheric Boundary: 40840.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 634.5 (K)
Blackbody T 0.3(K) 595.8 (K)
Blackbody T 0.7(K) 482.1 (K)
Tidally Locked Blackbody T 0.1(K) 754.5 (K)
Tidally Locked Blackbody T 0.3(K) 708.6 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 190007
Alternate Name : "2MASS J20024703+0319344, BD+02 4076, GJ 775, HIP 98698, IRAS 20002+0310, LSPM J2002+0319, SAO 125379, TIC 345217789, TYÖ
Star Distance(LY) : 41.5
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 1.0 (GY)
Temperature : 4610 (K)
Spectral type : K3/4 V
UV portion[%]: 1.9
Visible portion[%]: 32.9
IR portion[%]: 65.2
Metalicity : 0.2
Absolute Magnitude: 5.7
Apparent Magnitude: 6.3
Right Ascension(RA) 300.6960
Declination (DEC) 3.3262
Hubble Space Telescope Guide Star Catalog (GSC) ID 00498-02720
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+190007&submit=SIMBAD+search
Open Exoplanet Database Link
HD 190007 b
HD 190007 b

  • HD 190007 b is an exoplanet orbiting the star HD 190007, located about 41.5 light-years (12.7 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star HD 190007 has apparent magnitude of 6.3, with absolute magnitude of 5.7.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4610 with its spectral types of K3/4 V
  • In this planetary system, the extrasolar planet HD 190007 b orbits around the star HD 190007 every 11.7 days with its orbital distance of 0.09 AU ( 13763004.1 km)
  • (Projected orbit of HD 190007 b around its host star HD 190007)


  • The Star HD 190007 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.364 AU ( 54411043.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.503 AU ( 75210281.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.766 AU ( 114603824.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.127 AU ( 168644548.6 km)
  • Radiation at Planetary Boundary of HD 190007 b : 40840.12 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 190007)



  • Kopparapu Recent Venus for Star HD 190007 distance : 0.400 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 190007 distance : 0.507 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 190007 distance : 0.489 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 190007 distance : 0.537 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 190007 distance : 0.933 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 190007 distance : 0.985 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 190007)



  • Original Kopparapu Recent Venus for Star HD 190007 distance : 0.395 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 190007 distance : 0.523 AU
  • Original Kopparapu Moist Greenhouse for Star HD 190007 distance : 0.523 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 190007 distance : 0.949 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 190007 distance : 0.987 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 190007)



    (Position in Stellar Map of star HD 190007 and its Exoplanet HD 190007 b)



    (Zoomed position in Stellar Map of star HD 190007 and its Exoplanet HD 190007 b (zoom level 3))

    (Synthetic Spectrum of star HD 190007*)
    *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