54 Piscium b
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| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Orbital elements | ||
| Semimajor axis | (a) | 0.296±0.017 AU |
| Eccentricity | (e) | 0.618±0.051 |
| Orbital period | (P) | 62.206±0.021 d |
| Angular distance | (θ) | 25.818 mas |
| Longitude of periastron |
(ω) | 233.3±7.4° |
| Time of periastron | (T0) | 2,452,189.83 ±0.68 JD |
| Semi-amplitude | (K) | 16.1±1.2 m/s |
| Physical characteristics | ||
| Mass | (m) | >0.227±0.023 MJ |
| Discovery information | ||
| Discovery date | January 3, 2003 | |
| Discoverer(s) | Fischer, Butler, Marcy et al. |
|
| Detection method | Radial velocity | |
| Discovery site | California | |
| Discovery status | Published | |
54 Piscium b is an extrasolar planet [2]orbiting the star 54 Piscium. Its minimum mass is one fifth that of Jupiter, and it orbits the star in a very eccentric orbit every two or so months.
[edit] See also
[edit] References
- ^ Butler et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505 – 522. doi:. (web Preprint)
- ^ Fischer et al. (2003). "A Sub-Saturn Mass Planet Orbiting HD 3651". The Astrophysical Journal 590 (2): 1081 – 1087. doi:.
[edit] External links
- SIMBAD: HD 3651 b
- The Extrasolar Planets Encyclopaedia entry
- 54 Piscium SolStation entry.
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