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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