Imaginary Picture of Kepler-88 c

Display orbital revolution of Kepler-88 c around the hoststar Kepler-88
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Exoplanet Name : Kepler-88 c
Alternate Name : "KOI-142 c, 2MASS J19243554+4040098 c, KIC 5446285 c, TIC 122712595 c, WISE J192435.54+404009.8 c, KOI-142.02"
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.6740 (Mjup) 214.2902 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1529 (AU) 0.1529 (AU Est.)
Eccentricity : 0.0572
Orbital Period(Yrs) 0.0610
Orbital Period(Observed/Estimated) 22.26 (Days Obs.) 21.95 (Days Est.)
Surface Gravity (G Earth) 2.0695
Star Radiation at Atmospheric Boundary: 38434.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 624.9 (K)
Blackbody T 0.3(K) 586.9 (K)
Blackbody T 0.7(K) 474.8 (K)
Tidally Locked Blackbody T 0.1(K) 743.2 (K)
Tidally Locked Blackbody T 0.3(K) 697.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-88
Alternate Name : "KOI-142, 2MASS J19243554+4040098, KIC 5446285, TIC 122712595, WISE J192435.54+404009.8, SPOCS 3481"
Star Distance(LY) : 1228.7
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 2.5 (GY)
Temperature : 5466 (K)
Spectral type : G6 V
UV portion[%]: 6.7
Visible portion[%]: 43.0
IR portion[%]: 50.3
Metalicity : 0.3
Absolute Magnitude: 5.6
Apparent Magnitude: 13.5
Right Ascension(RA) 291.1481
Declination (DEC) 40.6694
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "William J. Borucki, David G. Koch, Gibor Basri, Natalie Batalha, Timothy M. Brown, Stephen T. Bryson, Douglas Caldwell, J_rgen Christensen-Dalsgaard, William D. Cochran, Edna DeVore, Edward W. Dunham, Thomas N. Gautier III, John C. Geary, Ronald Gilliland, Alan Gould, Steve B. Howell, Jon M. Jenkins, David W. Latham, Jack J. Lissauer, Geoffrey W. Marcy, Jason Rowe, Dimitar Sasselov, Alan Boss, David Charbonneau, David Ciardi, Laurance Doyle, Andrea K. Dupree, Eric B. Ford, Jonathan Fortney, Matthew J. Holman, Sara Seager, Jason H. Steffen, Jill Tarter, William F. Welsh, Christopher Allen, Lars A. Buchhave, Jessie L. Christiansen, Bruce D. Clarke, Jean-Michel D_sert, Michael Endl, Daniel Fabrycky, Francois Fressin, Michael Haas, Elliott Horch, Andrew Howard, Howard Isaacson, Hans Kjeldsen, et al. (19 additional authors not shown) "
Discovery Paper - Title "Characteristics of planetary candidates observed by Kepler, II: Analysis of the first four months of data"
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-88+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/KOI-142%20b/
Kepler-88 c
Kepler-88 c
  • Kepler-88 c is an exoplanet orbiting the star Kepler-88, located about 1228.7 light-years (376.7 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star Kepler-88 has apparent magnitude of 13.5, with absolute magnitude of 5.6.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5466 with its spectral types of G6 V
  • In this planetary system, the extrasolar planet Kepler-88 c orbits around the star Kepler-88 every 22.3 days with its orbital distance of 0.15 AU ( 22873514.4 km)
    • (Projected orbit of Kepler-88 c around its host star Kepler-88)


  • The Star Kepler-88 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.586 AU ( 87725442.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.811 AU ( 121259486.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.235 AU ( 184772622.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.818 AU ( 271901008.1 km)
  • Radiation at Planetary Boundary of Kepler-88 c : 38434.81 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-88)



  • Kopparapu Recent Venus for Star Kepler-88 distance : 0.619 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-88 distance : 0.784 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-88 distance : 0.757 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-88 distance : 0.830 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-88 distance : 1.397 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-88 distance : 1.473 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-88)



  • Original Kopparapu Recent Venus for Star Kepler-88 distance : 0.616 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-88 distance : 0.806 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-88 distance : 0.815 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-88 distance : 1.421 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-88 distance : 1.478 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-88)



    (Position in Stellar Map of star Kepler-88 and its Exoplanet Kepler-88 c)



    (Zoomed position in Stellar Map of star Kepler-88 and its Exoplanet Kepler-88 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-88*)
    *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