347 Pariana (prov. designation: A892 WD or 1892 Q) is a metallic background asteroid from the central region of the asteroid belt.[5] It was discovered by French astronomer Auguste Charlois at the Nice Observatory on 28 November 1892. The M-type asteroid has a short rotation period of 4.1 hours and measures approximately 49 kilometers (30 miles) in diameter.[3] The origin of the asteroid's name remains unknown.[2]
![]() Modelled shape of Pariana from its lightcurve | |
Discovery | |
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Discovered by | Auguste Charlois |
Discovery date | 28 November 1892 |
Designations | |
MPC designation | (347) Pariana |
Pronunciation | classically: /pæriˈeɪnə/[1] |
Named after | unknown [2] |
Alternative designations | 1892 Q · A892 WD |
Minor planet category | Main belt |
Orbital characteristics[3] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 123.38 yr (45065 d) |
Aphelion | 3.04828 AU (456.016 Gm) |
Perihelion | 2.17513 AU (325.395 Gm) |
Semi-major axis | 2.61171 AU (390.706 Gm) |
Eccentricity | 0.16716 |
Orbital period (sidereal) | 4.22 yr (1541.6 d) |
Mean anomaly | 8.01559° |
Mean motion | 0° 14m 0.661s / day |
Inclination | 11.6792° |
Longitude of ascending node | 85.5359° |
Argument of perihelion | 86.2897° |
Physical characteristics | |
Mean diameter | 48.615±0.118 km[3] |
Synodic rotation period | 4.0529 h (0.16887 d)[4] |
Geometric albedo | 0.1845±0.036 |
Spectral type | M |
Absolute magnitude (H) | 8.96 |
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