Imaginary Picture of Kepler-289 c

Display orbital revolution of Kepler-289 c around the hoststar Kepler-289
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Exoplanet Name : Kepler-289 c
Alternate Name : "PH3 c, 2MASS J19495168+4252582 c, K01353.01, KIC 7303287 c, KOI-1353 c, KOI-1353.01, WISE J194951.68+425258.2 c"
Status : Confirmed
Radius (Rjup / Re): 1.0340 (Rjup) 11.5901 (Rearth)
Mass (Mjup / Me): 0.4200 (Mjup) 133.5340 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.5100 (AU) 0.5100 (AU Est.)
Eccentricity : 0.0115
Orbital Period(Yrs) 0.3446
Orbital Period(Observed/Estimated) 125.85 (Days Obs.) 128.01 (Days Est.)
Surface Gravity (G Earth) 0.9941
Star Radiation at Atmospheric Boundary: 6187.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 395.8 (K)
Blackbody T 0.3(K) 371.7 (K)
Blackbody T 0.7(K) 300.8 (K)
Tidally Locked Blackbody T 0.1(K) 470.7 (K)
Tidally Locked Blackbody T 0.3(K) 442.1 (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 : Kepler-289
Alternate Name : "PH3, 2MASS J19495168+4252582, KIC 7303287, KOI-1353, WISE J194951.68+425258.2"
Star Distance(LY) : 2296.5
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.7 (GY)
Temperature : 5989 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.7
Apparent Magnitude: 12.9
Right Ascension(RA) 297.4653
Declination (DEC) 42.8828
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Joseph R. Schmitt, Eric Agol, Katherine M. Deck, Leslie A. Rogers, J. Zachary Gazak, Debra A. Fischer, Ji Wang, Matthew J. Holman, Kian J. Jek, Charles Margossian, Mark R. Omohundro, Troy Winarski, John M. Brewer, Matthew J. Giguere, Chris Lintott, Stuart Lynn, Michael Parrish, Kevin Schawinski, Megan E. Schwamb, Robert Simpson, Arfon M. Smith"
Discovery Paper - Title "Planet Hunters VII. Discovery of a New Low-Mass, Low-Density Planet (PH3 c) Orbiting Kepler-289 with Mass Measurements of Two Additional Planets (PH3 b and d)"
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-289%20c/
Kepler-289 c
Kepler-289 c

  • Kepler-289 c is an exoplanet orbiting the star Kepler-289, located about 2296.5 light-years (704.1 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-289 has apparent magnitude of 12.9, with absolute magnitude of 3.7.
  • It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5989 with its spectral types of G1
  • In this planetary system, the extrasolar planet Kepler-289 c orbits around the star Kepler-289 every 125.9 days with its orbital distance of 0.51 AU ( 76294914.1 km)
  • (Projected orbit of Kepler-289 c around its host star Kepler-289)


  • The Star Kepler-289 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.785 AU ( 117405410.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.085 AU ( 162284959.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.653 AU ( 247286364.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.432 AU ( 363892718.4 km)
  • Radiation at Planetary Boundary of Kepler-289 c : 6187.63 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-289)



  • Kopparapu Recent Venus for Star Kepler-289 distance : 0.803 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-289 distance : 1.017 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-289 distance : 0.982 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-289 distance : 1.077 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-289 distance : 1.786 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-289 distance : 1.884 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-289)



  • Original Kopparapu Recent Venus for Star Kepler-289 distance : 0.808 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-289 distance : 1.044 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-289 distance : 1.069 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-289 distance : 1.818 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-289 distance : 1.891 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-289)



    (Position in Stellar Map of star Kepler-289 and its Exoplanet Kepler-289 c)



    (Zoomed position in Stellar Map of star Kepler-289 and its Exoplanet Kepler-289 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-289*)
    *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