Imaginary Picture of NSVS 2502726 (AB)b

Display orbital revolution of NSVS 2502726 (AB)b around the hoststar NSVS 2502726 (AB)
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Exoplanet Name : NSVS 2502726 (AB)b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 38.0000 (Mjup) 12081.6440 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.6900 (AU) 3.6900 (AU Est.)
Eccentricity : 0.4700
Orbital Period(Yrs) 6.8718
Orbital Period(Observed/Estimated) 2510.00 (Days Obs.) 3119.03 (Days Est.)
Surface Gravity (G Earth) 116.6765
Star Radiation at Atmospheric Boundary: 14.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 87.4 (K)
Blackbody T 0.3(K) 82.1 (K)
Blackbody T 0.7(K) 66.4 (K)
Tidally Locked Blackbody T 0.1(K) 103.9 (K)
Tidally Locked Blackbody T 0.3(K) 97.6 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Timing
Mass Detection : Timing
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : NSVS 2502726 (AB)
Alternate Name : "GSC 03798-01207, 2MASS J08441103+5423473"
Star Distance(LY) : 747.0
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4353 (K)
Spectral type : K7V+K7V
UV portion[%]: 1.1
Visible portion[%]: 28.5
IR portion[%]: 70.4
Metalicity : 0.0
Absolute Magnitude: 6.9
Apparent Magnitude: 13.7
Right Ascension(RA) 131.0460
Declination (DEC) 54.3965
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
NSVS 2502726 (AB)b
NSVS 2502726 (AB)b

  • NSVS 2502726 (AB)b is an exoplanet orbiting the star NSVS 2502726 (AB), located about 747.0 light-years (229.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star NSVS 2502726 (AB) has apparent magnitude of 13.7, with absolute magnitude of 6.9.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4353 with its spectral types of K7V+K7V
  • In this planetary system, the extrasolar planet NSVS 2502726 (AB)b orbits around the star NSVS 2502726 (AB) every 2510.0 days with its orbital distance of 3.69 AU ( 552016142.9 km)
  • (Projected orbit of NSVS 2502726 (AB)b around its host star NSVS 2502726 (AB))


  • The Star NSVS 2502726 (AB) 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.277 AU ( 41389992.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.382 AU ( 57211785.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.583 AU ( 87178100.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.858 AU ( 128286393.5 km)
  • Radiation at Planetary Boundary of NSVS 2502726 (AB)b : 14.69 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NSVS 2502726 (AB))



  • Kopparapu Recent Venus for Star NSVS 2502726 (AB) distance : 0.307 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star NSVS 2502726 (AB) distance : 0.389 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star NSVS 2502726 (AB) distance : 0.375 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star NSVS 2502726 (AB) distance : 0.412 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star NSVS 2502726 (AB) distance : 0.725 AU
  • Kopparapu Outer Boundary for Early Mars for Star NSVS 2502726 (AB) distance : 0.765 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star NSVS 2502726 (AB))



  • Original Kopparapu Recent Venus for Star NSVS 2502726 (AB) distance : 0.303 AU
  • Original Kopparapu Runaway Greenhouse for Star NSVS 2502726 (AB) distance : 0.401 AU
  • Original Kopparapu Moist Greenhouse for Star NSVS 2502726 (AB) distance : 0.401 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NSVS 2502726 (AB) distance : 0.737 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star NSVS 2502726 (AB) distance : 0.766 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star NSVS 2502726 (AB))



    (Position in Stellar Map of star NSVS 2502726 (AB) and its Exoplanet NSVS 2502726 (AB)b)



    (Zoomed position in Stellar Map of star NSVS 2502726 (AB) and its Exoplanet NSVS 2502726 (AB)b (zoom level 3))

    (Synthetic Spectrum of star NSVS 2502726 (AB)*)
    *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