Imaginary Picture of Wendelstein-1 b

Display orbital revolution of Wendelstein-1 b around the hoststar Wendelstein-1
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Exoplanet Name : Wendelstein-1 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0000 (Rjup) 11.2090 (Rearth)
Mass (Mjup / Me): 0.5900 (Mjup) 187.5834 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0282 (AU) 0.0282 (AU Est.)
Eccentricity : 0.0120
Orbital Period(Yrs) 0.0073
Orbital Period(Observed/Estimated) 2.66 (Days Obs.) 2.15 (Days Est.)
Surface Gravity (G Earth) 1.4930
Star Radiation at Atmospheric Boundary: 166135.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 901.1 (K)
Blackbody T 0.3(K) 846.2 (K)
Blackbody T 0.7(K) 684.7 (K)
Tidally Locked Blackbody T 0.1(K) 1071.6 (K)
Tidally Locked Blackbody T 0.3(K) 1006.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Wendelstein-1
Alternate Name :
Star Distance(LY) : 991.5
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4125 (K)
Spectral type : K6
UV portion[%]: 0.8
Visible portion[%]: 26.2
IR portion[%]: 72.9
Metalicity : 0.0
Absolute Magnitude: 8.6
Apparent Magnitude: 16.0
Right Ascension(RA) 299.0500
Declination (DEC) 17.5700
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
Wendelstein-1 b
Wendelstein-1 b

  • Wendelstein-1 b is an exoplanet orbiting the star Wendelstein-1, located about 991.5 light-years (304.0 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star Wendelstein-1 has apparent magnitude of 16.0, with absolute magnitude of 8.6.
  • It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4125 with its spectral types of K6
  • In this planetary system, the extrasolar planet Wendelstein-1 b orbits around the star Wendelstein-1 every 2.7 days with its orbital distance of 0.03 AU ( 4218660.0 km)
  • (Projected orbit of Wendelstein-1 b around its host star Wendelstein-1)


  • The Star Wendelstein-1 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.225 AU ( 33638440.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.311 AU ( 46497115.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.474 AU ( 70851314.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.697 AU ( 104260812.8 km)
  • Radiation at Planetary Boundary of Wendelstein-1 b : 166135.36 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Wendelstein-1)



  • Kopparapu Recent Venus for Star Wendelstein-1 distance : 0.251 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Wendelstein-1 distance : 0.318 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Wendelstein-1 distance : 0.307 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Wendelstein-1 distance : 0.337 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Wendelstein-1 distance : 0.600 AU
  • Kopparapu Outer Boundary for Early Mars for Star Wendelstein-1 distance : 0.633 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Wendelstein-1)



  • Original Kopparapu Recent Venus for Star Wendelstein-1 distance : 0.248 AU
  • Original Kopparapu Runaway Greenhouse for Star Wendelstein-1 distance : 0.329 AU
  • Original Kopparapu Moist Greenhouse for Star Wendelstein-1 distance : 0.328 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Wendelstein-1 distance : 0.609 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Wendelstein-1 distance : 0.634 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Wendelstein-1)



    (Position in Stellar Map of star Wendelstein-1 and its Exoplanet Wendelstein-1 b)



    (Zoomed position in Stellar Map of star Wendelstein-1 and its Exoplanet Wendelstein-1 b (zoom level 3))

    (Synthetic Spectrum of star Wendelstein-1*)
    *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