Vienna (minor planet designation: 397 Vienna) is a typical Main belt asteroid. The Tholen spectral type is S and the SMASSII spectral type is K.
Discovery | |
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Discovered by | Auguste Charlois |
Discovery date | 19 December 1894 |
Designations | |
MPC designation | (397) Vienna |
Pronunciation | /viˈɛnə/[1] |
Named after | Vienna |
Alternative designations | 1894 BM |
Minor planet category | Main belt |
Orbital characteristics[2] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 117.48 yr (42909 d) |
Aphelion | 3.28657 AU (491.664 Gm) |
Perihelion | 1.98686 AU (297.230 Gm) |
Semi-major axis | 2.63671 AU (394.446 Gm) |
Eccentricity | 0.24646 |
Orbital period (sidereal) | 4.28 yr (1563.8 d) |
Mean anomaly | 202.358° |
Mean motion | 0° 13m 48.731s / day |
Inclination | 12.8534° |
Longitude of ascending node | 227.935° |
Argument of perihelion | 139.975° |
Physical characteristics | |
Dimensions | 43.34±1.8 km |
Synodic rotation period | 15.48 h (0.645 d) |
Geometric albedo | 0.1776±0.015 |
Absolute magnitude (H) | 9.31 |
It was discovered by Auguste Charlois on 19 December 1894 in Nice.
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