Imaginary Picture of BD+63 1405 b

Display orbital revolution of BD+63 1405 b around the hoststar BD+63 1405
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Exoplanet Name : BD+63 1405 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 3.9600 (Mjup) 1259.0345 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.0600 (AU) 2.0600 (AU Est.)
Eccentricity : 0.8800
Orbital Period(Yrs) 3.2812
Orbital Period(Observed/Estimated) 1198.48 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 12.1589
Star Radiation at Atmospheric Boundary: 122.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 148.5 (K)
Blackbody T 0.3(K) 139.4 (K)
Blackbody T 0.7(K) 112.8 (K)
Tidally Locked Blackbody T 0.1(K) 176.5 (K)
Tidally Locked Blackbody T 0.3(K) 165.8 (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 : BD+63 1405
Alternate Name :
Star Distance(LY) : 124.2
Stellar Radius(Rsun) : 0.7 (Rsun Estimated)
Stellar Mass(Msun) : 0.0 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5240 (K)
Spectral type : K0
UV portion[%]: 5.3
Visible portion[%]: 40.7
IR portion[%]: 54.0
Metalicity : 0.0
Absolute Magnitude: 6.1
Apparent Magnitude: 9.0
Right Ascension(RA) 271.4000
Declination (DEC) 63.6689
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
BD+63 1405 b
BD+63 1405 b

  • BD+63 1405 b is an exoplanet orbiting the star BD+63 1405, located about 124.2 light-years (38.1 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star BD+63 1405 has apparent magnitude of 9.0, with absolute magnitude of 6.1.
  • In this planetary system, the extrasolar planet BD+63 1405 b orbits around the star BD+63 1405 every 1198.5 days with its orbital distance of 2.06 AU ( 308171613.6 km)
  • (Projected orbit of BD+63 1405 b around its host star BD+63 1405)


  • The Star BD+63 1405 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.446 AU ( 66696798.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.616 AU ( 92192405.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.939 AU ( 140480823.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.382 AU ( 206723685.3 km)
  • Radiation at Planetary Boundary of BD+63 1405 b : 122.40 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star BD+63 1405)



  • Kopparapu Recent Venus for Star BD+63 1405 distance : 0.476 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star BD+63 1405 distance : 0.603 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star BD+63 1405 distance : 0.583 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star BD+63 1405 distance : 0.639 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star BD+63 1405 distance : 1.084 AU
  • Kopparapu Outer Boundary for Early Mars for Star BD+63 1405 distance : 1.143 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star BD+63 1405)



  • Original Kopparapu Recent Venus for Star BD+63 1405 distance : 0.473 AU
  • Original Kopparapu Runaway Greenhouse for Star BD+63 1405 distance : 0.621 AU
  • Original Kopparapu Moist Greenhouse for Star BD+63 1405 distance : 0.626 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star BD+63 1405 distance : 1.102 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star BD+63 1405 distance : 1.146 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star BD+63 1405)



    (Position in Stellar Map of star BD+63 1405 and its Exoplanet BD+63 1405 b)



    (Zoomed position in Stellar Map of star BD+63 1405 and its Exoplanet BD+63 1405 b (zoom level 3))

    (Synthetic Spectrum of star BD+63 1405*)
    *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