Imaginary Picture of KPS-1 b
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Exoplanet Name : KPS-1 b
Alternate Name :
Radius (Rjup / Re): 1.0300 (Rjup) 11.5453 (Rearth)
Mass (Mjup / Me): 1.0900 (Mjup) 346.5524 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0269 (AU) 0.0269 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0047
Orbital Period(Observed/Estimated) 1.71 (Days Obs.) 1.71 (Days Est.)
Star Radiation at Atmospheric Boundary: 992192.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1408.6 (K)
Blackbody T 0.3(K) 1322.8 (K)
Blackbody T 0.7(K) 1070.3 (K)
Tidally Locked Blackbody T 0.1(K) 1675.1 (K)
Tidally Locked Blackbody T 0.3(K) 1573.1 (K)
Size Class: 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 : KPS-1
Alternate Name : 2MASS11004017+6457504
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5165 (K)
Spectral type : K1
Metalicity : 0.2
Absolute Magnitude: 25.0
Apparent Magnitude: 13.0
Right Ascension(RA) 165.1667
Declination (DEC) 64.9639
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
KPS-1 b
KPS-1 b

  • KPS-1 b is an exoplanet orbiting the star KPS-1. Its discovery was publicly announced on 2018.
  • The host star KPS-1 has apparent magnitude of 13.0, with absolute magnitude of 25.0.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5165 with its spectral types of K1
  • In this planetary system, the extrasolar planet KPS-1 b orbits around the star KPS-1 every 1.7 days with its orbital distance of 0.03 AU ( 4024182.7 km)
  • (Projected orbit of KPS-1 b around its host star KPS-1)


  • The Star KPS-1 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.524 AU ( 78416246.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.725 AU ( 108391745.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.104 AU ( 165165033.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.625 AU ( 243047581.6 km)
  • Radiation at Planetary Boundary of KPS-1 b : 992192.93 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KPS-1)



  • Kopparapu Recent Venus for Star KPS-1 distance : 0.562 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KPS-1 distance : 0.712 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KPS-1 distance : 0.688 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KPS-1 distance : 0.755 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KPS-1 distance : 1.282 AU
  • Kopparapu Outer Boundary for Early Mars for Star KPS-1 distance : 1.353 AU

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



  • Original Kopparapu Recent Venus for Star KPS-1 distance : 0.558 AU
  • Original Kopparapu Runaway Greenhouse for Star KPS-1 distance : 0.733 AU
  • Original Kopparapu Moist Greenhouse for Star KPS-1 distance : 0.738 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KPS-1 distance : 1.304 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KPS-1 distance : 1.356 AU

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



    (Position in Stellar Map of star KPS-1 and its Exoplanet KPS-1 b)



    (Zoomed position in Stellar Map of star KPS-1 and its Exoplanet KPS-1 b (zoom level 3))