Imaginary Picture of Kepler-1882 Ab

Display orbital revolution of Kepler-1882 Ab around the hoststar Kepler-1882 A
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Exoplanet Name : Kepler-1882 Ab
Alternate Name : "KOI-2848 b, KOI-2848.01"
Status : Confirmed
Radius (Rjup / Re): 0.1326 (Rjup) 1.4867 (Rearth)
Mass (Mjup / Me): 0.0130 (Mjup) 4.1193 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1151 (AU) 0.1151 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0377
Orbital Period(Observed/Estimated) 13.79 (Days Obs.) 14.41 (Days Est.)
Surface Gravity (G Earth) 1.8637
Star Radiation at Atmospheric Boundary: 177024.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 915.5 (K)
Blackbody T 0.3(K) 859.7 (K)
Blackbody T 0.7(K) 695.6 (K)
Tidally Locked Blackbody T 0.1(K) 1088.7 (K)
Tidally Locked Blackbody T 0.3(K) 1022.4 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-1882 A
Alternate Name : "KIC 7749773, KOI-2848 A"
Star Distance(LY) : 1446.1
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 7.8 (GY)
Temperature : 5579 (K)
Spectral type : G5IV
UV portion[%]: 7.2
Visible portion[%]: 43.7
IR portion[%]: 49.0
Metalicity : 0.3
Absolute Magnitude: 4.3
Apparent Magnitude: 12.5
Right Ascension(RA) 290.6641
Declination (DEC) 43.4998
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
Kepler-1882 Ab
Kepler-1882 Ab

  • Kepler-1882 Ab is an exoplanet orbiting the star Kepler-1882 A, located about 1446.1 light-years (443.4 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1882 A has apparent magnitude of 12.5, with absolute magnitude of 4.3.
  • It is 1.0 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5579 with its spectral types of G5IV
  • In this planetary system, the extrasolar planet Kepler-1882 Ab orbits around the star Kepler-1882 A every 13.8 days with its orbital distance of 0.12 AU ( 17218714.9 km)
  • (Projected orbit of Kepler-1882 Ab around its host star Kepler-1882 A)


  • The Star Kepler-1882 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.947 AU ( 141725226.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.310 AU ( 195901300.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.995 AU ( 298510228.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.936 AU ( 439270878.2 km)
  • Radiation at Planetary Boundary of Kepler-1882 Ab : 177024.04 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1882 A)



  • Kopparapu Recent Venus for Star Kepler-1882 A distance : 0.994 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1882 A distance : 1.258 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1882 A distance : 1.215 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1882 A distance : 1.333 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1882 A distance : 2.234 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1882 A distance : 2.357 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1882 A)



  • Original Kopparapu Recent Venus for Star Kepler-1882 A distance : 0.991 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1882 A distance : 1.294 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1882 A distance : 1.311 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1882 A distance : 2.273 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1882 A distance : 2.364 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1882 A)



    (Position in Stellar Map of star Kepler-1882 A and its Exoplanet Kepler-1882 Ab)



    (Zoomed position in Stellar Map of star Kepler-1882 A and its Exoplanet Kepler-1882 Ab (zoom level 3))

    (Synthetic Spectrum of star Kepler-1882 A*)
    *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