HD 107148 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 107148 | |
| Constellation | Virgo | |
| Right ascension | (α) | 12h 19m 13.4909s |
| Declination | (δ) | −03° 19′ 11.242″ |
| Distance | 167.18 ± 8.48 ly (51.26 ± 2.6 pc) | |
| Spectral type | G5V | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.269 ± 0.016 AU |
| Periastron | (q) | 0.26 AU |
| Apastron | (Q) | 0.28 AU |
| Eccentricity | (e) | 0.05 ± 0.17 |
| Orbital period | (P) | 48.056 ± 0.057 d (0.13157 y) |
| Orbital speed | (υ) | 61.1 km/s |
| Argument of periastron |
(ω) | 75° |
| Time of periastron | (T0) | 2,399,987 ± 12 JD |
| Semi-amplitude | (K) | 11 ± 1.8 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 0.21 ± 0.036 MJ (67 M⊕) |
| Discovery information | ||
| Discovery date | 15 July 2006 | |
| Discoverer(s) | Butler et al.[1] | |
| Discovery method | radial velocity | |
| Discovery site | Keck Observatory, USA | |
| Discovery status | Published[1] | |
| Other designations | ||
| HIP 60081 b | ||
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 107148 b is a jovian exoplanet with minimum mass of only 70% that of Saturn. Unlike Saturn, it orbits much closer to the star, only 26.9% of distance of Earth to the Sun, but like Saturn, it has low eccentricity about the same as Saturn.[1]
See also
References
- 1 2 3 Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal 646 (1): 505–522. arXiv:astro-ph/0607493. Bibcode:2006ApJ...646..505B. doi:10.1086/504701.
External links
- "HD 107148". Exoplanets.
Coordinates: 
12h 19m 13.4909s, −03° 19′ 11.242″
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