Imaginary Picture of WASP-84 c

Display orbital revolution of WASP-84 c around the hoststar WASP-84
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Exoplanet Name : WASP-84 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1740 (Rjup) 1.9504 (Rearth)
Mass (Mjup / Me): 0.0478 (Mjup) 15.1974 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0236 (AU) 0.0236 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0040
Orbital Period(Observed/Estimated) 1.45 (Days Obs.) 1.44 (Days Est.)
Surface Gravity (G Earth) 3.9952
Star Radiation at Atmospheric Boundary: 983192.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1405.4 (K)
Blackbody T 0.3(K) 1319.8 (K)
Blackbody T 0.7(K) 1067.9 (K)
Tidally Locked Blackbody T 0.1(K) 1671.3 (K)
Tidally Locked Blackbody T 0.3(K) 1569.5 (K)
Size Class: sub-Neptune-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-84
Alternate Name :
Star Distance(LY) : 391.4
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 1.0 (GY)
Temperature : 5314 (K)
Spectral type : K0
UV portion[%]: 5.9
Visible portion[%]: 41.6
IR portion[%]: 52.5
Metalicity : 0.0
Absolute Magnitude: 16.6
Apparent Magnitude: 22.0
Right Ascension(RA) 131.1083
Declination (DEC) 1.8433
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-84 c
WASP-84 c

  • WASP-84 c is an exoplanet orbiting the star WASP-84, located about 391.4 light-years (120.0 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star WASP-84 has apparent magnitude of 22.0, with absolute magnitude of 16.6.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5314 with its spectral types of K0
  • In this planetary system, the extrasolar planet WASP-84 c orbits around the star WASP-84 every 1.4 days with its orbital distance of 0.02 AU ( 3529013.8 km)
  • (Projected orbit of WASP-84 c around its host star WASP-84)


  • The Star WASP-84 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.458 AU ( 68454627.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.633 AU ( 94622184.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.964 AU ( 144183269.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.418 AU ( 212171996.6 km)
  • Radiation at Planetary Boundary of WASP-84 c : 983191.97 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WASP-84)



  • Kopparapu Recent Venus for Star WASP-84 distance : 0.487 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star WASP-84 distance : 0.617 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WASP-84 distance : 0.596 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star WASP-84 distance : 0.653 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-84 distance : 1.105 AU
  • Kopparapu Outer Boundary for Early Mars for Star WASP-84 distance : 1.165 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star WASP-84)



  • Original Kopparapu Recent Venus for Star WASP-84 distance : 0.484 AU
  • Original Kopparapu Runaway Greenhouse for Star WASP-84 distance : 0.635 AU
  • Original Kopparapu Moist Greenhouse for Star WASP-84 distance : 0.640 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WASP-84 distance : 1.124 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star WASP-84 distance : 1.169 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star WASP-84)



    (Position in Stellar Map of star WASP-84 and its Exoplanet WASP-84 c)



    (Zoomed position in Stellar Map of star WASP-84 and its Exoplanet WASP-84 c (zoom level 3))

    (Synthetic Spectrum of star WASP-84*)
    *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