HD 222582

HD 222582 is a Sunlike star in the constellation Aquarius around which has been discovered a massive exoplanet in an orbit somewhat larger than that of Earth's around the Sun.
Host star | |
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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 | |
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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 |