Imaginary Picture of 1RXS J103137.1-690205 b

Display orbital revolution of 1RXS J103137.1-690205 b around the hoststar 1RXS J103137.1-690205
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Exoplanet Name : 1RXS J103137.1-690205 b
Alternate Name : 2MASS J10313710-6901587 b
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 36.5000 (Mjup) 11604.7370 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1725.0000 (AU) 1725.0000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 75255.9820
Orbital Period(Observed/Estimated) 27488000.00 (Days Obs.) 28055256.74 (Days Est.)
Surface Gravity (G Earth) 112.0708
Star Radiation at Atmospheric Boundary: 0.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 5.7 (K)
Blackbody T 0.3(K) 5.3 (K)
Blackbody T 0.7(K) 4.3 (K)
Tidally Locked Blackbody T 0.1(K) 6.7 (K)
Tidally Locked Blackbody T 0.3(K) 6.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : "Imaging, Astrometry"
Mass Detection : Astrometry
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : 1RXS J103137.1-690205
Alternate Name : 2MASS J10313710-6901587
Star Distance(LY) : 546.7
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4862 (K)
Spectral type : K2.5IVe
UV portion[%]: 2.6
Visible portion[%]: 35.8
IR portion[%]: 61.5
Metalicity : 0.0
Absolute Magnitude: 5.7
Apparent Magnitude: 11.8
Right Ascension(RA) 157.9047
Declination (DEC) -69.0330
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
1RXS J103137.1-690205 b
1RXS J103137.1-690205 b

  • 1RXS J103137.1-690205 b is an exoplanet orbiting the star 1RXS J103137.1-690205, located about 546.7 light-years (167.6 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star 1RXS J103137.1-690205 has apparent magnitude of 11.8, with absolute magnitude of 5.7.
  • It is 0.9 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 4862 with its spectral types of K2.5IVe
  • In this planetary system, the extrasolar planet 1RXS J103137.1-690205 b orbits around the star 1RXS J103137.1-690205 every 27488000.0 days with its orbital distance of 1725.00 AU ( 258056326957.5 km)
  • (Projected orbit of 1RXS J103137.1-690205 b around its host star 1RXS J103137.1-690205)


  • The Star 1RXS J103137.1-690205 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.543 AU ( 81207078.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.750 AU ( 112249404.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.143 AU ( 171043251.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.682 AU ( 251697637.7 km)
  • Radiation at Planetary Boundary of 1RXS J103137.1-690205 b : 0.00 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 1RXS J103137.1-690205)



  • Kopparapu Recent Venus for Star 1RXS J103137.1-690205 distance : 0.591 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star 1RXS J103137.1-690205 distance : 0.748 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 1RXS J103137.1-690205 distance : 0.723 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star 1RXS J103137.1-690205 distance : 0.793 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star 1RXS J103137.1-690205 distance : 1.364 AU
  • Kopparapu Outer Boundary for Early Mars for Star 1RXS J103137.1-690205 distance : 1.439 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 1RXS J103137.1-690205)



  • Original Kopparapu Recent Venus for Star 1RXS J103137.1-690205 distance : 0.584 AU
  • Original Kopparapu Runaway Greenhouse for Star 1RXS J103137.1-690205 distance : 0.771 AU
  • Original Kopparapu Moist Greenhouse for Star 1RXS J103137.1-690205 distance : 0.773 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 1RXS J103137.1-690205 distance : 1.387 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 1RXS J103137.1-690205 distance : 1.442 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 1RXS J103137.1-690205)



    (Position in Stellar Map of star 1RXS J103137.1-690205 and its Exoplanet 1RXS J103137.1-690205 b)



    (Zoomed position in Stellar Map of star 1RXS J103137.1-690205 and its Exoplanet 1RXS J103137.1-690205 b (zoom level 3))

    (Synthetic Spectrum of star 1RXS J103137.1-690205*)
    *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