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 |
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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