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Discovery
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| Discovered by | Max Wolf |
| Discovery date | December 16, 1892 |
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Designations
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| Named after | Yrsa |
| Alternate name(s) | 1892 V |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 478.281 Gm (3.197 AU) |
| Perihelion | 348.546 Gm (2.33 AU) |
| Semi-major axis | 413.413 Gm (2.763 AU) |
| Eccentricity | 0.157 |
| Orbital period | 1677.95 d (4.59 a) |
| Average orbital speed | 17.92 km/s |
| Mean anomaly | 99.5° |
| Inclination | 9.195° |
| Longitude of ascending node | 99.451° |
| Argument of perihelion | 31.748° |
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Physical characteristics
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| Dimensions | 40.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Albedo | unknown |
| Temperature | unknown |
| Spectral type | unknown |
| Absolute magnitude (H) | 8.98 |
351 Yrsa is a typical Main belt asteroid.
It was discovered by Max Wolf on December 16, 1892 in Heidelberg.
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