Imaginary Picture of NGTS-6 b

Display orbital revolution of NGTS-6 b around the hoststar NGTS-6
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Exoplanet Name : NGTS-6 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.2710 (Rjup) 14.2466 (Rearth)
Mass (Mjup / Me): 1.3300 (Mjup) 422.8575 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0166 (AU) 0.0166 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0024
Orbital Period(Observed/Estimated) 0.88 (Days Obs.) 0.88 (Days Est.)
Surface Gravity (G Earth) 2.0834
Star Radiation at Atmospheric Boundary: 722349.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1301.2 (K)
Blackbody T 0.3(K) 1221.9 (K)
Blackbody T 0.7(K) 988.7 (K)
Tidally Locked Blackbody T 0.1(K) 1547.3 (K)
Tidally Locked Blackbody T 0.3(K) 1453.1 (K)
Size Class: Super-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 : NGTS-6
Alternate Name :
Star Distance(LY) : 1014.3
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 9.6 (GY)
Temperature : 4410 (K)
Spectral type : K5
UV portion[%]: 1.3
Visible portion[%]: 29.5
IR portion[%]: 69.2
Metalicity : 0.1
Absolute Magnitude: 7.5
Apparent Magnitude: 15.0
Right Ascension(RA) 75.7958
Declination (DEC) -30.3994
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
NGTS-6 b
NGTS-6 b

  • NGTS-6 b is an exoplanet orbiting the star NGTS-6, located about 1014.3 light-years (311.0 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star NGTS-6 has apparent magnitude of 15.0, with absolute magnitude of 7.5.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4410 with its spectral types of K5
  • In this planetary system, the extrasolar planet NGTS-6 b orbits around the star NGTS-6 every 0.9 days with its orbital distance of 0.02 AU ( 2486768.1 km)
  • (Projected orbit of NGTS-6 b around its host star NGTS-6)


  • The Star NGTS-6 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.276 AU ( 41346536.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.382 AU ( 57151717.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.582 AU ( 87086570.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.857 AU ( 128151703.5 km)
  • Radiation at Planetary Boundary of NGTS-6 b : 722349.03 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NGTS-6)



  • Kopparapu Recent Venus for Star NGTS-6 distance : 0.306 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star NGTS-6 distance : 0.388 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star NGTS-6 distance : 0.374 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star NGTS-6 distance : 0.411 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star NGTS-6 distance : 0.721 AU
  • Kopparapu Outer Boundary for Early Mars for Star NGTS-6 distance : 0.761 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star NGTS-6)



  • Original Kopparapu Recent Venus for Star NGTS-6 distance : 0.302 AU
  • Original Kopparapu Runaway Greenhouse for Star NGTS-6 distance : 0.400 AU
  • Original Kopparapu Moist Greenhouse for Star NGTS-6 distance : 0.400 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NGTS-6 distance : 0.733 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star NGTS-6 distance : 0.762 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star NGTS-6)



    (Position in Stellar Map of star NGTS-6 and its Exoplanet NGTS-6 b)



    (Zoomed position in Stellar Map of star NGTS-6 and its Exoplanet NGTS-6 b (zoom level 3))

    (Synthetic Spectrum of star NGTS-6*)
    *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