HD 12661 c
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Extrasolar planet | Lists of extrasolar planets | |
---|---|---|
Orbital elements | ||
Semimajor axis | (a) | 2.86±0.17 AU |
Eccentricity | (e) | 0.017±0.029 |
Orbital period | (P) | 1679±29 d |
Inclination | (i) | ?° |
Longitude of periastron |
(ω) | 38° |
Time of periastron | (τ) | 2,452,130 ±330 JD |
Physical characteristics | ||
Mass | (m) | >1.83±0.16 MJ |
Radius | (r) | ? RJ |
Density | (ρ) | ? kg/m3 |
Temperature | (T) | ? K |
Discovery information | ||
Discovery date | 2002 | |
Discoverer(s) | Fischer et al. | |
Detection method | Radial velocity | |
Discovery status | Published |
HD 12661 c is a gas giant one and a half times the size of Jupiter orbiting around HD 12661. It has an eccentric orbit which briefly brings it close to the outer edge of the star's habitable zone.
[edit] References
- Fischer et al. (2003). "A Planetary Companion to HD 40979 and Additional Planets Orbiting HD 12661 and HD 38529". The Astrophysical Journal 586: 1394-1408.
- Butler, R. et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646: 505 – 522. (web Preprint)