WASP-20 A

Display orbital revolution around the star WASP-20 A
Imaginary Picture of Star WASP-20 A
Star Name : WASP-20 A
Alternate Name : "CD-24 102, TYC 6413-439-1, 2MASS J00203853-2356086, WASP-20"
Star Distance (LY/pc): 684.9276 (LY) 210.0000 (pc)
Stellar Radius (Rsun): 0.0000 (Rsun, measured) 1.3920 (Rsun, estimated)
Stellar Mass (Msun): 1.2020 (Msun/observed) 1.2020 (Msun/estimated)
Spectral type : G1
Metalicity : -0.0090
Absolute Magnitude : 4.07
Apparent Magnitude : 10.68
Right Ascension(RA) : 5.16057
Declination(DEC) : -23.93571
  • This is the WASP-20 A . The star WASP-20 A islocated about 684.9 light-years (210.0 pc) away from our Solar System.
  • The star WASP-20 A has apparent magnitude of 10.7, with absolute magnitude of 4.1.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5950 with its spectral types of G1
  • Number of Extrasolar Planets : 1
  • Name of the 1 Planet WASP-20 A b radius 1.459000 mass 0.313000 orbital distance 0.060030
    (Illustration of the WASP-20 A's Planetary System)



    The Star WASP-20 A 's habitable zone is located at the following distance

    Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.068 AU ( 159709694.6 km)
    Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.476 AU ( 220760535.1 km)
    Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.249 AU ( 336390201.2 km)
    Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.309 AU ( 495012917.4 km)
    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-20 A)



    Kopparapu's Recent Venus for Star WASP-20 A distance : 1.095 AU
    Kopparapu's Runaway Greenhouse for Earth-sized planet for Star WASP-20 A distance : 1.387 AU
    Kopparapu's Runaway Greenhouse for Super-Earth-sized planet for Star WASP-20 A distance : 1.339 AU
    Kopparapu's Runaway Greenhouse for Mars-sized planet for Star WASP-20 A distance : 1.468 AU
    Kopparapu's Outer Boundary for Maximum Greenhouse for Star WASP-20 A distance : 2.438 AU
    Kopparapu's Outer Boundary for Early Mars for Star WASP-20 A distance : 2.572 AU
    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-20 A)



  • Original Kopparapu Recent Venus for Star WASP-20 A distance : 1.100 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-20 A distance : 1.424 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-20 A distance : 1.456 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-20 A distance : 2.481 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-20 A distance : 2.581 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-20 A)



    (Position in Stellar Map of star WASP-20 A )



    (Zoomed position in Stellar Map of star WASP-20 A (zoom level 3))

    (Synthetic Spectrum of star K2-187*)
    *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