63 Ausonia
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Discovery
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| Discovered by | Annibale de Gasparis |
| Discovery date | February 10, 1861 |
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Designations
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| Alternative names | |
| Minor planet category |
Main belt |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 403.452 Gm (2.697 AU) |
| Perihelion | 313.198 Gm (2.094 AU) |
| Semi-major axis | 358.325 Gm (2.395 AU) |
| Eccentricity | 0.126 |
| Orbital period | 1354.023 d (3.71 a) |
| Average orbital speed | 19.17 km/s |
| Mean anomaly | 23.398° |
| Inclination | 5.786° |
| Longitude of ascending node | 337.911° |
| Argument of perihelion | 295.635° |
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Physical characteristics
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| Dimensions | 103.1 km |
| Mass | 1.1×1018 kg |
| Mean density | ? g/cm³ |
| Equatorial surface gravity | 0.0288 m/s² |
| Escape velocity | 0.0545 km/s |
| Rotation period | ? d |
| Albedo | 0.159 [1] |
| Temperature | ~180 K |
| Spectral type | S |
| Absolute magnitude | 7.55 |
63 Ausonia (aw-soh'-nee-a, IPA: /ɔˈsoʊniə/) is a large main belt asteroid. It was discovered by A. de Gasparis on February 10, 1861. 'Ausonia' is an alternative name for Italy.
Based on its lightcurve, a small satellite has been suggested [1]
[edit] References
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