Imaginary Picture of CoRoT-28 b

Display orbital revolution of CoRoT-28 b around the hoststar CoRoT-28
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Exoplanet Name : CoRoT-28 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9550 (Rjup) 10.7046 (Rearth)
Mass (Mjup / Me): 0.4840 (Mjup) 153.8820 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0590 (AU) 0.0590 (AU Est.)
Eccentricity : 0.0470
Orbital Period(Yrs) 0.0143
Orbital Period(Observed/Estimated) 5.21 (Days Obs.) 5.21 (Days Est.)
Surface Gravity (G Earth) 1.3429
Star Radiation at Atmospheric Boundary: 785180.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1328.6 (K)
Blackbody T 0.3(K) 1247.7 (K)
Blackbody T 0.7(K) 1009.5 (K)
Tidally Locked Blackbody T 0.1(K) 1579.9 (K)
Tidally Locked Blackbody T 0.3(K) 1483.7 (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 : CoRoT-28
Alternate Name :
Star Distance(LY) : 1826.5
Stellar Radius(Rsun) : 1.8 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 12.0 (GY)
Temperature : 5150 (K)
Spectral type : G8/9IV
UV portion[%]: 4.4
Visible portion[%]: 39.4
IR portion[%]: 56.2
Metalicity : 0.1
Absolute Magnitude: 4.7
Apparent Magnitude: 13.5
Right Ascension(RA) 278.6883
Declination (DEC) 5.5739
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors CUTRI R.M.; SKRUTSKIE M.F.; VAN DYK S.; BEICHMAN C.A.; CARPENTER J.M.; CHESTER T.; CAMBRESY L.; EVANS T.; FOWLER J.; GIZIS J.; HOWARD E.; HUCHRA J.; JARRETT T.; KOPAN E.L.; KIRKPATRICK J.D.; LIGHT R.M.; MARSH K.A.; McCALLON H.; SCHNEIDER S.; STIENING R.; SYKES M.; WEINBERG M.; WHEATON W.A.; WHEELOCK S.; ZACARIAS N.
Discovery Paper - Title 2MASS All Sky Catalog of point sources.
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=CoRoT-28+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/CoRoT-28%20b/
CoRoT-28 b
CoRoT-28 b

  • CoRoT-28 b is an exoplanet orbiting the star CoRoT-28, located about 1826.5 light-years (560.0 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star CoRoT-28 has apparent magnitude of 13.5, with absolute magnitude of 4.7.
  • It is 1.0 times more massive and 1.8 times bigger compared with our Sun. The surface temperature is 5150 with its spectral types of G8/9IV
  • In this planetary system, the extrasolar planet CoRoT-28 b orbits around the star CoRoT-28 every 5.2 days with its orbital distance of 0.06 AU ( 8826274.4 km)
  • (Projected orbit of CoRoT-28 b around its host star CoRoT-28)


  • The Star CoRoT-28 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.023 AU ( 153000402.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.414 AU ( 211486539.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.154 AU ( 322258684.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.170 AU ( 474217771.9 km)
  • Radiation at Planetary Boundary of CoRoT-28 b : 785180.87 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star CoRoT-28)



  • Kopparapu Recent Venus for Star CoRoT-28 distance : 1.098 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star CoRoT-28 distance : 1.390 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star CoRoT-28 distance : 1.343 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star CoRoT-28 distance : 1.474 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-28 distance : 2.506 AU
  • Kopparapu Outer Boundary for Early Mars for Star CoRoT-28 distance : 2.643 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star CoRoT-28)



  • Original Kopparapu Recent Venus for Star CoRoT-28 distance : 1.088 AU
  • Original Kopparapu Runaway Greenhouse for Star CoRoT-28 distance : 1.432 AU
  • Original Kopparapu Moist Greenhouse for Star CoRoT-28 distance : 1.440 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-28 distance : 2.548 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star CoRoT-28 distance : 2.650 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star CoRoT-28)



    (Position in Stellar Map of star CoRoT-28 and its Exoplanet CoRoT-28 b)



    (Zoomed position in Stellar Map of star CoRoT-28 and its Exoplanet CoRoT-28 b (zoom level 3))

    (Synthetic Spectrum of star CoRoT-28*)
    *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