HD 190647 b | |
Discoverer: | Dominique Naef et al. |
Discovery Site: | Chile |
Discovered: | March 5, 2007 |
Apsis: | astron |
Aphelion: | 2.44AU |
Perihelion: | 1.7AU |
Semimajor: | 2.07± |
Eccentricity: | 0.18 ± 0.02 |
Period: | 1038.1 ± 5.1 d 2.8421 y |
Avg Speed: | 21.8 |
Time Periastron: | 2,453,868 ± 25 |
Arg Peri: | 232.5 ± 9.6 |
Semi-Amplitude: | 36.4 ± 1.2 |
Mass: | >1.9 |
HD 190647 b is >1.9 MJ planet orbiting the star HD 190647 at 309.7 gigameters or 10.04 μpc away from the star, taking 89.69 megaseconds to orbit the star with average velocity of 21.8 km/s. The orbital eccentricity is 18%. Dominique Naef discovered this planet in early 2007 by using HARPS spectrograph located in Chile.