Imaginary Picture of NGTS-14A b

Display orbital revolution of NGTS-14A b around the hoststar NGTS-14A
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Exoplanet Name : NGTS-14A b
Alternate Name :
Radius (Rjup / Re): 0.4400 (Rjup) 4.9320 (Rearth)
Mass (Mjup / Me): 0.0920 (Mjup) 29.2503 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0403 (AU) 0.0403 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0097
Orbital Period(Observed/Estimated) 3.54 (Days Obs.) 3.12 (Days Est.)
Surface Gravity (G Earth) 1.2025
Star Radiation at Atmospheric Boundary: 387510.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1113.6 (K)
Blackbody T 0.3(K) 1045.7 (K)
Blackbody T 0.7(K) 846.1 (K)
Tidally Locked Blackbody T 0.1(K) 1324.3 (K)
Tidally Locked Blackbody T 0.3(K) 1243.6 (K)
Size Class: 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 : NGTS-14A
Alternate Name :
Star Distance(LY) : 1060.3
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 5.9 (GY)
Temperature : 5187 (K)
Spectral type : K1V
UV portion[%]: 4.9
Visible portion[%]: 39.9
IR portion[%]: 55.2
Metalicity : 0.1
Absolute Magnitude: 5.6
Apparent Magnitude: 13.2
Right Ascension(RA) 328.5167
Declination (DEC) -38.3775
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-14A b
NGTS-14A b

  • NGTS-14A b is an exoplanet orbiting the star NGTS-14A, located about 1060.3 light-years (325.1 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star NGTS-14A has apparent magnitude of 13.2, with absolute magnitude of 5.6.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5187 with its spectral types of K1V
  • In this planetary system, the extrasolar planet NGTS-14A b orbits around the star NGTS-14A every 3.5 days with its orbital distance of 0.04 AU ( 6028794.2 km)
  • (Projected orbit of NGTS-14A b around its host star NGTS-14A)


  • The Star NGTS-14A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.491 AU ( 73418025.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.678 AU ( 101482897.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.034 AU ( 154637477.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.521 AU ( 227555822.7 km)
  • Radiation at Planetary Boundary of NGTS-14A b : 387510.87 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NGTS-14A)



  • Kopparapu Recent Venus for Star NGTS-14A distance : 0.526 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star NGTS-14A distance : 0.666 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star NGTS-14A distance : 0.643 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star NGTS-14A distance : 0.706 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star NGTS-14A distance : 1.198 AU
  • Kopparapu Outer Boundary for Early Mars for Star NGTS-14A distance : 1.264 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star NGTS-14A)



  • Original Kopparapu Recent Venus for Star NGTS-14A distance : 0.522 AU
  • Original Kopparapu Runaway Greenhouse for Star NGTS-14A distance : 0.686 AU
  • Original Kopparapu Moist Greenhouse for Star NGTS-14A distance : 0.690 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NGTS-14A distance : 1.219 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star NGTS-14A distance : 1.267 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star NGTS-14A)



    (Position in Stellar Map of star NGTS-14A and its Exoplanet NGTS-14A b)



    (Zoomed position in Stellar Map of star NGTS-14A and its Exoplanet NGTS-14A b (zoom level 3))

    (Synthetic Spectrum of star NGTS-14A*)
    *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