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Discovery
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| Discovered by | Auguste Charlois |
| Discovery date | December 14, 1892 |
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Designations
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| Alternate name(s) | 1892 U |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 538.079 Gm (3.597 AU) |
| Perihelion | 393.508 Gm (2.63 AU) |
| Semi-major axis | 465.794 Gm (3.114 AU) |
| Eccentricity | 0.155 |
| Orbital period | 2006.746 d (5.49 a) |
| Average orbital speed | 16.88 km/s |
| Mean anomaly | 141.983° |
| Inclination | 24.885° |
| Longitude of ascending node | 90.214° |
| Argument of perihelion | 339.08° |
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Physical characteristics
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| Dimensions | 118.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | C |
| Absolute magnitude (H) | 8.37 |
350 Ornamenta is a relatively large main-belt asteroid, measuring 118k in diameter. It is classified as a C-type asteroid and is probably composed of carbonaceous material.
Ornamenta was discovered by Auguste Charlois on December 14, 1892, in Nice, France. It was named in 1905 after Antoinette Horneman, who was a member of the Société astronomique de France.[1]
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