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	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