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    HD 222582

    HD 22582
    A Sunlike star in the constellation Aquarius around which has been discovered a massive extrasolar planet in an orbit somewhat larger than that of Earth's around the Sun.


    Host star
    Distance 137 light-years (42 pc)
    Spectral type G5 V
    Apparent magnitude 7.70
    Position R.A. 23h 41m 52s, Dec. -05° 59' 09"


    Planet
    Mass (Jupiter=1) 5.4
    Semimajor axis 1.35 AU (202 million km, 126 million miles)
    Orbital period 576 days
    Eccentricity 0.0
    Discovery 1999, SFSU Planet Search
    Method radial velocity


    Related categories

       • NOTABLE STARS
       • EXTRASOLAR PLANETS AND SUBSTELLAR OBJECTS





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