HD 27631 b is an extrasolar planet that has more mass than Jupiter. It orbits 3.25 AU from the star, taking six years to revolve around the parent star HD 27631. Its orbit is eccentric, around 12%.[1]
Discovery | |
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Discovered by | MARMIER et al.[1] |
Discovery site | HARPS |
Discovery date | Sept. 13, 2011 |
Detection method | doppler spectroscopy |
Orbital characteristics | |
Semi-major axis | 3.25 ± 0.07 AU (486,000,000 ± 10,000,000 km) |
Eccentricity | 0.12 ± 0.06 |
Orbital period (sidereal) | 2208 ± 66 d |
Time of periastron | 2.45387e+06 ± 224 |
Star | HD 27631 |
Physical characteristics | |
Mass | >1.45 ± 0.14 MJ |
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