HD 70642 b
HD 70642 b is an extrasolar planet orbiting the star HD 70642 at 3.23 AU distance and takes 5.66 years to revolve. This planet may have systems of moons like Jupiter.[1] This planet was discovered on July 3, 2003.
| Discovery | |
|---|---|
| Discovered by | Carter et al.[1] |
| Discovery site | Anglo-Australian Observatory |
| Discovery date | July 3, 2003 |
| Radial velocity (Anglo-Australian Telescope) | |
| Orbital characteristics | |
| Apastron | 3.341 AU (499,800,000 km) |
| Periastron | 3.123 AU (467,200,000 km) |
| 3.232 AU (483,500,000 km) | |
| Eccentricity | 0.034 ± 0.043 |
| 2068 ± 39 d 5.66 y | |
Average orbital speed | 17.06 |
| 2,451,350 ± 380 | |
| 205 | |
| Semi-amplitude | 30.4 ± 1.3 |
| Star | HD 70642 |
References
- Carter, Brad D.; et al. (2003). "A Planet in a Circular Orbit with a 6 Year Period". The Astrophysical Journal Letters. 593 (1): L43–L46. arXiv:astro-ph/0307066. Bibcode:2003ApJ...593L..43C. doi:10.1086/378185.
External links
- "HD 70642". Exoplanets. Archived from the original on 2009-11-24. Retrieved 2008-11-01.
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