Imaginary Picture of 24 Boo b

Display orbital revolution of 24 Boo b around the hoststar 24 Boö
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Exoplanet Name : 24 Boo b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.9100 (Mjup) 289.3236 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1900 (AU) 0.1900 (AU Est.)
Eccentricity : 0.0420
Orbital Period(Yrs) 0.0831
Orbital Period(Observed/Estimated) 30.35 (Days Obs.) 30.40 (Days Est.)
Surface Gravity (G Earth) 2.7941
Star Radiation at Atmospheric Boundary: 2204356.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1719.7 (K)
Blackbody T 0.3(K) 1615.0 (K)
Blackbody T 0.7(K) 1306.7 (K)
Tidally Locked Blackbody T 0.1(K) 2045.1 (K)
Tidally Locked Blackbody T 0.3(K) 1920.6 (K)
Size Class: Jupiter-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 : 24 Boö
Alternate Name :
Star Distance(LY) : 326.2
Stellar Radius(Rsun) : 10.6 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 6.9 (GY)
Temperature : 4893 (K)
Spectral type : G3IV
UV portion[%]: 2.8
Visible portion[%]: 36.1
IR portion[%]: 61.2
Metalicity : -0.8
Absolute Magnitude: 0.6
Apparent Magnitude: 5.6
Right Ascension(RA) 217.1625
Declination (DEC) 49.8450
Hubble Space Telescope Guide Star Catalog (GSC) ID
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=24+Boo&submit=SIMBAD+search
Open Exoplanet Database Link
24 Boo b
24 Boo b

  • 24 Boo b is an exoplanet orbiting the star 24 Boö, located about 326.2 light-years (100.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star 24 Boö has apparent magnitude of 5.6, with absolute magnitude of 0.6.
  • It is 1.0 times more massive and 10.6 times bigger compared with our Sun. The surface temperature is 4893 with its spectral types of G3IV
  • In this planetary system, the extrasolar planet 24 Boo b orbits around the star 24 Boö every 30.4 days with its orbital distance of 0.19 AU ( 28423595.4 km)
  • (Projected orbit of 24 Boo b around its host star 24 Boö)


  • The Star 24 Boö 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 5.519 AU ( 825562907.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 7.628 AU ( 1141143683.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 11.623 AU ( 1738850439.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 17.104 AU ( 2558794595.7 km)
  • Radiation at Planetary Boundary of 24 Boo b : 2204355.97 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 24 Boö)



  • Kopparapu Recent Venus for Star 24 Boö distance : 6.000 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star 24 Boö distance : 7.596 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 24 Boö distance : 7.337 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star 24 Boö distance : 8.053 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star 24 Boö distance : 13.828 AU
  • Kopparapu Outer Boundary for Early Mars for Star 24 Boö distance : 14.586 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 24 Boö)



  • Original Kopparapu Recent Venus for Star 24 Boö distance : 5.931 AU
  • Original Kopparapu Runaway Greenhouse for Star 24 Boö distance : 7.831 AU
  • Original Kopparapu Moist Greenhouse for Star 24 Boö distance : 7.847 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 24 Boö distance : 14.058 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 24 Boö distance : 14.620 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 24 Boö)



    (Position in Stellar Map of star 24 Boö and its Exoplanet 24 Boo b)



    (Zoomed position in Stellar Map of star 24 Boö and its Exoplanet 24 Boo b (zoom level 3))

    (Synthetic Spectrum of star 24 Boö*)
    *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