Imaginary Picture of WASP-170 b

Display orbital revolution of WASP-170 b around the hoststar WASP-170
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Exoplanet Name : WASP-170 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0960 (Rjup) 12.2851 (Rearth)
Mass (Mjup / Me): 1.6000 (Mjup) 508.7008 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0337 (AU) 0.0337 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0064
Orbital Period(Observed/Estimated) 2.34 (Days Obs.) 2.34 (Days Est.)
Surface Gravity (G Earth) 3.3706
Star Radiation at Atmospheric Boundary: 929672.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1385.9 (K)
Blackbody T 0.3(K) 1301.5 (K)
Blackbody T 0.7(K) 1053.0 (K)
Tidally Locked Blackbody T 0.1(K) 1648.1 (K)
Tidally Locked Blackbody T 0.3(K) 1547.7 (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 : WASP-170
Alternate Name : 2MASS09013992-2043133
Star Distance(LY) : 988.9
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5593 (K)
Spectral type : G1
UV portion[%]: 7.2
Visible portion[%]: 43.8
IR portion[%]: 48.9
Metalicity : 0.2
Absolute Magnitude: 5.4
Apparent Magnitude: 12.8
Right Ascension(RA) 135.4164
Declination (DEC) -20.7204
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
WASP-170 b
WASP-170 b

  • WASP-170 b is an exoplanet orbiting the star WASP-170, located about 988.9 light-years (303.2 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star WASP-170 has apparent magnitude of 12.8, with absolute magnitude of 5.4.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5593 with its spectral types of G1
  • In this planetary system, the extrasolar planet WASP-170 b orbits around the star WASP-170 every 2.3 days with its orbital distance of 0.03 AU ( 5041448.2 km)
  • (Projected orbit of WASP-170 b around its host star WASP-170)


  • The Star WASP-170 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.636 AU ( 95093446.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.879 AU ( 131443994.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.339 AU ( 200291559.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.970 AU ( 294737803.3 km)
  • Radiation at Planetary Boundary of WASP-170 b : 929672.45 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-170)



  • Kopparapu Recent Venus for Star WASP-170 distance : 0.666 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-170 distance : 0.843 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-170 distance : 0.815 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-170 distance : 0.893 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-170 distance : 1.497 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-170 distance : 1.579 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-170)



  • Original Kopparapu Recent Venus for Star WASP-170 distance : 0.665 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-170 distance : 0.867 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-170 distance : 0.879 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-170 distance : 1.523 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-170 distance : 1.584 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-170)



    (Position in Stellar Map of star WASP-170 and its Exoplanet WASP-170 b)



    (Zoomed position in Stellar Map of star WASP-170 and its Exoplanet WASP-170 b (zoom level 3))

    (Synthetic Spectrum of star WASP-170*)
    *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