Imaginary Picture of HD 72490 b

Display orbital revolution of HD 72490 b around the hoststar HD 72490
/
Exoplanet Name : HD 72490 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.2180 (Rjup) 13.6526 (Rearth)
Mass (Mjup / Me): 1.7680 (Mjup) 562.1144 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.8800 (AU) 1.8800 (AU Est.)
Eccentricity : 0.1240
Orbital Period(Yrs) 2.3490
Orbital Period(Observed/Estimated) 858.00 (Days Obs.) 855.92 (Days Est.)
Surface Gravity (G Earth) 3.0158
Star Radiation at Atmospheric Boundary: 5058.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 376.4 (K)
Blackbody T 0.3(K) 353.5 (K)
Blackbody T 0.7(K) 286.0 (K)
Tidally Locked Blackbody T 0.1(K) 447.6 (K)
Tidally Locked Blackbody T 0.3(K) 420.4 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Theoretical
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 72490
Alternate Name :
Star Distance(LY) : 405.2
Stellar Radius(Rsun) : 5.0 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4934 (K)
Spectral type : G5
UV portion[%]: 2.9
Visible portion[%]: 36.4
IR portion[%]: 60.6
Metalicity : 0.0
Absolute Magnitude: 2.3
Apparent Magnitude: 7.8
Right Ascension(RA) 128.4027
Declination (DEC) 13.5508
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 72490 b
HD 72490 b

  • HD 72490 b is an exoplanet orbiting the star HD 72490, located about 405.2 light-years (124.2 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star HD 72490 has apparent magnitude of 7.8, with absolute magnitude of 2.3.
  • It is 1.2 times more massive and 5.0 times bigger compared with our Sun. The surface temperature is 4934 with its spectral types of G5
  • In this planetary system, the extrasolar planet HD 72490 b orbits around the star HD 72490 every 858.0 days with its orbital distance of 1.88 AU ( 281243996.9 km)
  • (Projected orbit of HD 72490 b around its host star HD 72490)


  • The Star HD 72490 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.616 AU ( 391325437.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.616 AU ( 540914019.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.510 AU ( 824233262.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 8.108 AU ( 1212895352.9 km)
  • Radiation at Planetary Boundary of HD 72490 b : 5058.82 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 72490)



  • Kopparapu Recent Venus for Star HD 72490 distance : 2.839 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 72490 distance : 3.594 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 72490 distance : 3.471 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 72490 distance : 3.810 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 72490 distance : 6.531 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 72490 distance : 6.889 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 72490)



  • Original Kopparapu Recent Venus for Star HD 72490 distance : 2.807 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 72490 distance : 3.704 AU
  • Original Kopparapu Moist Greenhouse for Star HD 72490 distance : 3.714 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 72490 distance : 6.640 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 72490 distance : 6.906 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 72490)



    (Position in Stellar Map of star HD 72490 and its Exoplanet HD 72490 b)



    (Zoomed position in Stellar Map of star HD 72490 and its Exoplanet HD 72490 b (zoom level 3))

    (Synthetic Spectrum of star HD 72490*)
    *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