Discovery | |
---|---|
Discovered by | Geneva Extrasolar Planet Search |
Discovery site | La Silla Observatory |
Discovery date | April 4, 2001[1] |
radial velocity | |
Orbital characteristics[2] | |
2.655 ± 0.017 AU (397,200,000 ± 2,500,000 km) | |
Eccentricity | 0.480 ± 0.010 |
4.202+0.011 −0.010 yr | |
Inclination | 46.0+4.9 −4.1 or 134.0+4.1 −4.9 |
105.3+10 −6.1 | |
JD 246463.0+8.4 −8.6 | |
291.4 ± 1.5° | |
Semi-amplitude | 152 ± 21[3] |
Star | HD 106252 |
Physical characteristics | |
Mass | 10.00+0.78 −0.73[2] MJ |
HD 106252 b is a large gas giant extrasolar planet about 10 times more massive than Jupiter. It was announced in 2001 by the European Southern Observatory.[1] The discovery was confirmed by a different team using the Lick Telescope.[4]
Astrometry of HD 106252 has determined an orbital inclination of either 46° or 134°, depending on whether the solution is prograde or retrograde. This, combined with the minimum mass, gives a true mass of 10.0 MJ, larger than the minimum mass of 7.2 MJ.[2]
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