SWEEPS J175902.67-291153.5 is an star located 27,700 light years away from Earth, in the constellation of Sagittarius. This star has one known extrasolar planet.
Planetary system[]
In 2006, a group of astronomers working on the SWEEPS program announced the discovery of a planet, named SWEEPS-11, in this system. The planet is a gas giant, who is extremely close to the parent star at just 0.03 AU. It is classified as a Hot Jupiter. At a distance of 27,700 light years, it is one of the most distant planets ever found.
| Planet | Mass | Semimajor axis | Orbital period (days) | Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| SWEEPS-11 | 9.7 Jupiter mass | 0.03 AU | 1.796 days | N/A | >84° | 1.13 Jupiter radius |