HD 149143 b
From Infogalactic: the planetary knowledge core
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 149143 | |
| Constellation | Ophiuchus | |
| Right ascension | (α) | 16h 32m 51.0498s |
| Declination | (δ) | +02° 05′ 05.395″ |
| Distance | 207 ly (63.5 pc) |
|
| Spectral type | G0 | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.0531 AU |
| Periastron | (q) | 0.0531 AU |
| Apastron | (Q) | 0.0531 AU |
| Eccentricity | (e) | 0 |
| Orbital period | (P) | 4.07 ± 0.70 d |
| Orbital speed | (υ) | 143 km/s |
| Time of periastron | (T0) | 2453483.9 ± 1.2 JD |
| Semi-amplitude | (K) | 149.6 ± 3 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.33 MJ (423 M⊕) |
| Discovery information | ||
| Discovery date | 22 August 2005 | |
| Discoverer(s) | Da Silva et al. | |
| Discovery method | Doppler Spectroscopy | |
| Discovery site | Haute-Provence Observatory | |
| Discovery status | Published[1][2] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 149143 b is an extrasolar planet that has a minimum mass of 1.33 Jupiter masses. As is typical for a lot of hot Jupiters, its orbital eccentricity is low.[1][2]
References
External links
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Coordinates: 
16h 32m 51.0498s, +02° 05′ 05.395″
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