Imaginary Picture of LP 358-499 c
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Exoplanet Name : LP 358-499 c
Alternate Name : K2-133 c
Radius (Rjup / Re): 0.1320 (Rjup) 1.4796 (Rearth)
Mass (Mjup / Me): 0.0100 (Mjup) 3.1794 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0450 (AU) 0.0450 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0133
Orbital Period(Observed/Estimated) 4.87 (Days Obs.) 4.84 (Days Est.)
Star Radiation at Atmospheric Boundary: 25638.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 564.8 (K)
Blackbody T 0.3(K) 530.4 (K)
Blackbody T 0.7(K) 429.1 (K)
Tidally Locked Blackbody T 0.1(K) 671.6 (K)
Tidally Locked Blackbody T 0.3(K) 630.7 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Theoretical
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : LP 358-499
Alternate Name : "2MASS J04403562+2500361, EPIC 247887989, K2-133"
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3644 (K)
Spectral type : M1V
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 22.0
Right Ascension(RA) 70.1500
Declination (DEC) 25.0100
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
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SIMBAD LINK
Open Exoplanet Database Link
LP 358-499 c
LP 358-499 c

  • LP 358-499 c is an exoplanet orbiting the star LP 358-499. Its discovery was publicly announced on 2017.
  • The host star LP 358-499 has apparent magnitude of 22.0, with absolute magnitude of 25.0.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3644 with its spectral types of M1V
  • In this planetary system, the extrasolar planet LP 358-499 c orbits around the star LP 358-499 every 4.9 days with its orbital distance of 0.04 AU ( 6731904.2 km)
  • (Projected orbit of LP 358-499 c around its host star LP 358-499)


  • The Star LP 358-499 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.141 AU ( 21086812.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.195 AU ( 29147485.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.297 AU ( 44414316.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.437 AU ( 65357612.9 km)
  • Radiation at Planetary Boundary of LP 358-499 c : 25638.08 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LP 358-499)



  • Kopparapu Recent Venus for Star LP 358-499 distance : 0.159 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star LP 358-499 distance : 0.201 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star LP 358-499 distance : 0.194 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star LP 358-499 distance : 0.214 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star LP 358-499 distance : 0.389 AU
  • Kopparapu Outer Boundary for Early Mars for Star LP 358-499 distance : 0.410 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star LP 358-499)



  • Original Kopparapu Recent Venus for Star LP 358-499 distance : 0.157 AU
  • Original Kopparapu Runaway Greenhouse for Star LP 358-499 distance : 0.208 AU
  • Original Kopparapu Moist Greenhouse for Star LP 358-499 distance : 0.208 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LP 358-499 distance : 0.395 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star LP 358-499 distance : 0.411 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star LP 358-499)



    (Position in Stellar Map of star LP 358-499 and its Exoplanet LP 358-499 c)



    (Zoomed position in Stellar Map of star LP 358-499 and its Exoplanet LP 358-499 c (zoom level 3))