Imaginary Picture of OY Car b
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Exoplanet Name : OY Car b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 8.4800 (Mjup) 2696.1142 (Mearth)
Semi Major Axis / Orbital Distance Calculated 6.1800 (AU) 6.1800 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 5770.50 (Days Est.)
Star Radiation at Atmospheric Boundary: 0.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 35.4 (K)
Blackbody T 0.3(K) 33.2 (K)
Blackbody T 0.7(K) 26.9 (K)
Tidally Locked Blackbody T 0.1(K) 42.0 (K)
Tidally Locked Blackbody T 0.3(K) 39.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Pulsar
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : OY Car
Alternate Name :
Star Distance(LY) : 903.8
Stellar Radius(Rsun) : 0.3 (Rsun Estimated)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3200 (K)
Spectral type : M5
Metalicity : 0.0
Absolute Magnitude: 5.0
Apparent Magnitude: 12.2
Right Ascension(RA) 151.5920
Declination (DEC) -70.2347
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=OY+Car+&submit=SIMBAD+search
Open Exoplanet Database Link 0
OY Car b
OY Car b

  • OY Car b is an exoplanet orbiting the star OY Car, located about 903.8 light-years (277.1 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star OY Car has apparent magnitude of 12.2, with absolute magnitude of 5.0.
  • It is 0.9 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3200 with its spectral types of M5
  • (Projected orbit of OY Car b around its host star OY Car)


  • The Star OY Car 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.076 AU ( 11347744.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.105 AU ( 15685547.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.160 AU ( 23901303.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.235 AU ( 35171815.2 km)
  • Radiation at Planetary Boundary of OY Car b : 0.39 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star OY Car)



  • Kopparapu Recent Venus for Star OY Car distance : 0.086 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star OY Car distance : 0.109 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star OY Car distance : 0.105 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star OY Car distance : 0.116 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star OY Car distance : 0.215 AU
  • Kopparapu Outer Boundary for Early Mars for Star OY Car distance : 0.227 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star OY Car)



  • Original Kopparapu Recent Venus for Star OY Car distance : 0.086 AU
  • Original Kopparapu Runaway Greenhouse for Star OY Car distance : 0.113 AU
  • Original Kopparapu Moist Greenhouse for Star OY Car distance : 0.113 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star OY Car distance : 0.218 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star OY Car distance : 0.227 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star OY Car)



    (Position in Stellar Map of star OY Car and its Exoplanet OY Car b)



    (Zoomed position in Stellar Map of star OY Car and its Exoplanet OY Car b (zoom level 3))