| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
(Celestia image) |
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| Parent star | ||
| Star | HD 69830 | |
| Constellation | Puppis | |
| Right ascension | (α) | 08h 18m 23.9s |
| Declination | (δ) | -12° 37′ 55.8″ |
| Apparent magnitude | (mV) | 5.95 |
| Distance | 41 ly (12.6 pc) |
|
| Spectral type | K0V | |
| Mass | (m) | 0.86 ± 0.03 M☉ |
| Radius | (r) | 0.89 R☉ |
| Temperature | (T) | 5385 ± 20 K |
| Metallicity | [Fe/H] | −0.05 ± 0.02 |
| Age | 5.1–6.1 Gyr | |
| Orbital elements | ||
| Semimajor axis | (a) | 0.186 AU |
| Eccentricity | (e) | 0.13±0.06 |
| Orbital period | (P) | 31.56±0.04 d |
| Argument 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 | ||
| Minimum mass | (m sin i) | 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 | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
HD 69830 c is the 2nd planet orbiting HD 69830. This is likely to be a rocky planet, not a gas giant.[1] If it had formed as a gas giant, it would have stayed that way.[2]
Coordinates: 08h 18m 23.9s, −12° 37′ 55.8″
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