HD 12661 b
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| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Orbital elements | ||
| Semimajor axis | (a) | 0.834±0.048 AU |
| Eccentricity | (e) | 0.361±0.011 |
| Orbital period | (P) | 262.53±0.27 d |
| Angular distance | (θ) | 22 mas |
| Longitude of periastron |
(ω) | 296.3±2.6° |
| Time of periastron | (T0) | 2,450,214.1 ±2.9 JD |
| Semi-amplitude | (K) | 74.19±0.85 m/s |
| Physical characteristics | ||
| Mass | (m) | >2.34±0.19 MJ |
| Discovery information | ||
| Discovery date | 2000 | |
| Discoverer(s) | Fischer et al. | |
| Detection method | Radial velocity | |
| Discovery status | Published | |
HD 12661 b is a gas giant two and a half times the mass of Jupiter orbiting around the star HD 12661. It has an eccentric orbit within the star's habitable zone, which means that if any of its moons have atmospheres, they may have the potential to harbor life.
[edit] References
- D.A. Fischer, G.W. Marcy, R.P. Butler, S.S. Vogt, S. Frink, K. Apps (2001). "Planetary Companions to HD 12661, HD 92788, and HD 38529 and Variations in Keplerian Residuals of Extrasolar Planets". Astrophysical Journal 551 (2): 1107 – 1118. doi:.
- Butler, R. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646: 505 – 522. doi:. (web Preprint)
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