HD 87883 b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 87883 | |
| Constellation | Leo Minor | |
| Right ascension | (α) | 10h 08m 43.140s[1] |
| Declination | (δ) | +34° 14′ 32.13″[1] |
| Apparent magnitude | (mV) | 7.56 |
| Distance | 59.4±0.6[1] ly (18.2±0.2[1] pc) |
|
| Spectral type | K0V | |
| Orbital elements | ||
| Semi-major axis | (a) | 3.60±0.08 AU |
| Periastron | (q) | 1.69 AU |
| Apastron | (Q) | 5.51 AU |
| Eccentricity | (e) | 0.53±0.12 |
| Orbital period | (P) | 2754±87 d (7.54±0.24 y) |
| Argument of periastron |
(ω) | 191±15° |
| Time of periastron | (T0) | 11139±90 JD |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.78±0.34 MJ |
| Discovery information | ||
| Discovery date | August 13, 2009 | |
| Discoverer(s) | ||
| Discovery method | Radial velocity | |
| Discovery status | Published[2] | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 87883 b is an extrasolar planet which orbits the K-type main sequence star HD 87883, located approximately 59 light years away in the constellation Leo Minor. It is a long-period planet, taking seven and a half years to orbit the star at the average distance of 3.60 AU. However this planet orbits in a very eccentric path, which ranges distance from as close as 1.69 AU to as far as 5.51 AU. This planet was detected by radial velocity method on August 13, 2009.[2]
References
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10h 08m 43.1395s, +34° 14′ 32.135″
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