| Discovery | |
|---|---|
| Discovered by | Dominique Naef et al.[1] |
| Discovery site | Chile |
| Discovery date | March 5, 2007 |
| HARPS | |
| Orbital characteristics | |
| Apastron | 2.44 AU (365,000,000 km) |
| Periastron | 1.70 AU (254,000,000 km) |
| 2.07 ± 0.06 AU (309,700,000 ± 9,000,000 km) | |
| Eccentricity | 0.18 ± 0.02 |
| 1038.1 ± 5.1d 2.8421y | |
Averageorbital speed | 21.8 |
| 2,453,868 ± 25 | |
| 232.5 ± 9.6 | |
| Semi-amplitude | 36.4 ± 1.2 |
| Star | HD 190647 |
| Physical characteristics | |
| Mass | >1.9MJ |
HD 190647 b is >1.9 MJplanet orbiting thestarHD 190647 at 309.7gigameters or 10.04μpc away from the star, taking 89.69megaseconds to orbit the star with averagevelocity of 21.8km/s. Theorbital eccentricity is 18%.Dominique Naef discovered this planet in early 2007 by usingHARPSspectrograph located inChile.[1]
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