HD 69830 c
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| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | HD 69830 | |
| Constellation | Puppis | |
| Right ascension | (α) | 08h 18m 23.9s |
| Declination | (δ) | -12° 37′ 55.8″ |
| Distance | 41 ly (12.6 pc) | |
| Spectral type | K0V | |
| Orbital elements | ||
| Semimajor axis | (a) | 0.186 AU |
| Eccentricity | (e) | 0.13±0.06 |
| Orbital period | (P) | 31.56±0.04 d |
| Angular distance | (θ) | 14.762 mas |
| Longitude of periastron |
(ω) | 221±35° |
| Time of periastron | (T0) | 2,453,469.6±2.8 JD |
| Semi-amplitude | (K) | 2.66±0.16 m/s |
| Physical characteristics | ||
| Mass | (m) | >0.038 MJ |
| Temperature | (T) | ~522 K |
| Discovery information | ||
| Discovery date | May 18, 2006 | |
| Discoverer(s) | Lovis et al. | |
| Detection method | Radial velocity | |
| Discovery status | Published | |
HD 69830 c is the 2nd planet orbiting HD 69830. It is most likely a gas giant. It orbits within a giant asteroid belt that orbits the star HD 69830. The multi-planet system is special because it has no planets like Jupiter.
[edit] References
- Lovis et al. (2006). "An extrasolar planetary system with three Neptune-mass planets". Nature 441: 305–309. doi:.
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