Imaginary Picture of NLTT 5306 b

Display orbital revolution of NLTT 5306 b around the hoststar NLTT 5306
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Exoplanet Name : NLTT 5306 b
Alternate Name : "LSPM J0135+1445 b, WD 0132+145 b"
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 56.0000 (Mjup) 17804.5280 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0026 (AU) 0.0026 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0046
Orbital Period(Observed/Estimated) 1.70 (Days Obs.) 0.07 (Days Est.)
Surface Gravity (G Earth) 171.9443
Star Radiation at Atmospheric Boundary: 156132.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 887.2 (K)
Blackbody T 0.3(K) 833.2 (K)
Blackbody T 0.7(K) 674.1 (K)
Tidally Locked Blackbody T 0.1(K) 1055.1 (K)
Tidally Locked Blackbody T 0.3(K) 990.8 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : NLTT 5306
Alternate Name : "WD 0132+145, LSPM J0135+1445"
Star Distance(LY) : 254.3
Stellar Radius(Rsun) : 0.0 (Rsun Measured)
Stellar Mass(Msun) : 0.4 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 710.0 (GY)
Temperature : 7756 (K)
Spectral type : A7
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.0
Absolute Magnitude: 11.8
Apparent Magnitude: 16.2
Right Ascension(RA) 23.8874
Declination (DEC) 14.7655
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
NLTT 5306 b
NLTT 5306 b

  • NLTT 5306 b is an exoplanet orbiting the star NLTT 5306, located about 254.3 light-years (78.0 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star NLTT 5306 has apparent magnitude of 16.2, with absolute magnitude of 11.8.
  • It is 0.4 times more massive and 0.0 times bigger compared with our Sun. The surface temperature is 7756 with its spectral types of A7
  • In this planetary system, the extrasolar planet NLTT 5306 b orbits around the star NLTT 5306 every 1.7 days with its orbital distance of 0.00 AU ( 393442.4 km)
  • (Projected orbit of NLTT 5306 b around its host star NLTT 5306)


  • The Star NLTT 5306 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.020 AU ( 3041293.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.028 AU ( 4203862.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.043 AU ( 6405755.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.063 AU ( 9426350.1 km)
  • Radiation at Planetary Boundary of NLTT 5306 b : 156132.64 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NLTT 5306)



  • Kopparapu Recent Venus for Star NLTT 5306 distance : 0.019 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star NLTT 5306 distance : 0.024 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star NLTT 5306 distance : 0.023 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star NLTT 5306 distance : 0.026 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star NLTT 5306 distance : 0.042 AU
  • Kopparapu Outer Boundary for Early Mars for Star NLTT 5306 distance : 0.044 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star NLTT 5306)



  • Original Kopparapu Recent Venus for Star NLTT 5306 distance : 0.020 AU
  • Original Kopparapu Runaway Greenhouse for Star NLTT 5306 distance : 0.025 AU
  • Original Kopparapu Moist Greenhouse for Star NLTT 5306 distance : 0.026 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NLTT 5306 distance : 0.043 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star NLTT 5306 distance : 0.044 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star NLTT 5306)



    (Position in Stellar Map of star NLTT 5306 and its Exoplanet NLTT 5306 b)



    (Zoomed position in Stellar Map of star NLTT 5306 and its Exoplanet NLTT 5306 b (zoom level 3))

    (Synthetic Spectrum of star NLTT 5306*)
    *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