HD 187085 b
From Infogalactic: the planetary knowledge core
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 187085 | |
| Constellation | Sagittarius | |
| Right ascension | (α) | 19h 49m 33.9667s |
| Declination | (δ) | –37° 46′ 49.981″ |
| Distance | 147 ly (45 pc) |
|
| Spectral type | G0V | |
| Orbital elements | ||
| Semi-major axis | (a) | 2.05 AU |
| Periastron | (q) | 1.38 AU |
| Apastron | (Q) | 2.72 AU |
| Eccentricity | (e) | 0.33[1] |
| Orbital period | (P) | 986 d (2.70 y) |
| Orbital speed | (υ) | 22.7 km/s |
| Argument of periastron |
(ω) | 94° |
| Time of periastron | (T0) | 2,450,912 JD |
| Semi-amplitude | (K) | 26 m/s |
| Physical characteristics | ||
| Mass | (m) | >0.75 MJ |
| Discovery information | ||
| Discovery date | March 14, 2006 | |
| Discoverer(s) | Marcy et al. | |
| Discovery method | Doppler spectroscopy | |
| Discovery site |  Australia |
|
| Discovery status | Published | |
| Other designations | ||
|
HIP 97546 b
|
||
HD 187085 b is an extrasolar planet discovered in 2006 by a team led by Geoffrey Marcy. HD 187085 b orbits its star in a highly eccentric orbit. The discovery was made as part of the Anglo-Australian Planet Search. Their interpretation of the data set the eccentricity at 0.47. Using a statistical computer program, another team reinterpreted the same data for a lower eccentricity of 0.33.[1]
See also
References
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