Imaginary Picture of MARVELS-12 b

Display orbital revolution of MARVELS-12 b around the hoststar TYC 3469-492-1
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Exoplanet Name : MARVELS-12 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 32.8000 (Mjup) 10428.3664 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.8500 (AU) 0.8500 (AU Est.)
Eccentricity : 0.6000
Orbital Period(Yrs) 0.6913
Orbital Period(Observed/Estimated) 252.50 (Days Obs.) 252.01 (Days Est.)
Star Radiation at Atmospheric Boundary: 7563.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 416.2 (K)
Blackbody T 0.3(K) 390.9 (K)
Blackbody T 0.7(K) 316.3 (K)
Tidally Locked Blackbody T 0.1(K) 495.0 (K)
Tidally Locked Blackbody T 0.3(K) 464.8 (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 : TYC 3469-492-1
Alternate Name : 2MASS J13333594+5226134
Star Distance(LY) : 1555.8
Stellar Radius(Rsun) : 2.4 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5285 (K)
Spectral type : K0
Metalicity : 0.4
Absolute Magnitude: 2.9
Apparent Magnitude: 11.3
Right Ascension(RA) 203.3998
Declination (DEC) 52.4371
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
MARVELS-12 b
MARVELS-12 b

  • MARVELS-12 b is an exoplanet orbiting the star TYC 3469-492-1, located about 1555.8 light-years (477.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star TYC 3469-492-1 has apparent magnitude of 11.3, with absolute magnitude of 2.9.
  • It is 1.3 times more massive and 2.4 times bigger compared with our Sun. The surface temperature is 5285 with its spectral types of K0
  • In this planetary system, the extrasolar planet MARVELS-12 b orbits around the star TYC 3469-492-1 every 252.5 days with its orbital distance of 0.85 AU ( 127158190.1 km)
  • (Projected orbit of MARVELS-12 b around its host star TYC 3469-492-1)


  • The Star TYC 3469-492-1 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.446 AU ( 216344568.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.999 AU ( 299044731.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.046 AU ( 455677992.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.482 AU ( 670550127.7 km)
  • Radiation at Planetary Boundary of MARVELS-12 b : 7563.85 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TYC 3469-492-1)



  • Kopparapu Recent Venus for Star TYC 3469-492-1 distance : 1.542 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TYC 3469-492-1 distance : 1.952 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TYC 3469-492-1 distance : 1.886 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TYC 3469-492-1 distance : 2.069 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 3469-492-1 distance : 3.501 AU
  • Kopparapu Outer Boundary for Early Mars for Star TYC 3469-492-1 distance : 3.693 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TYC 3469-492-1)



  • Original Kopparapu Recent Venus for Star TYC 3469-492-1 distance : 1.531 AU
  • Original Kopparapu Runaway Greenhouse for Star TYC 3469-492-1 distance : 2.010 AU
  • Original Kopparapu Moist Greenhouse for Star TYC 3469-492-1 distance : 2.026 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 3469-492-1 distance : 3.561 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TYC 3469-492-1 distance : 3.703 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TYC 3469-492-1)



    (Position in Stellar Map of star TYC 3469-492-1 and its Exoplanet MARVELS-12 b)



    (Zoomed position in Stellar Map of star TYC 3469-492-1 and its Exoplanet MARVELS-12 b (zoom level 3))