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 | |
|---|---|
| distance | 137 light-years (42 pc) |
| spectral type | G5 V |
| apparent magnitude | 7.70 |
| position | RA 23h 41m 52s, Dec -05° 59' 09" |
| Planet | |
|---|---|
| mass (Jupiter=1) | 8.4 |
| semimajor axis | 1.35 AU (202 million km, 126 million mi) |
| orbital period | 572 days |
| eccentricity | 0.76 |
| discovery | 1999, SFSU Planet Search |
| method | radial velocity |


