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Discovery
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| Discovered by | Johann Palisa |
| Discovery date | August 30, 1891 |
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Designations
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| Named after | Chaldea |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 419.333 Gm (2.803 AU) |
| Perihelion | 291.57 Gm (1.949 AU) |
| Semi-major axis | 355.451 Gm (2.376 AU) |
| Eccentricity | 0.18 |
| Orbital period | 1337.741 d (3.66 a) |
| Average orbital speed | 19.32 km/s |
| Mean anomaly | 211.772° |
| Inclination | 11.646° |
| Longitude of ascending node | 176.826° |
| Argument of perihelion | 315.775° |
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Physical characteristics
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| Dimensions | 96.0 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) | 8.9 |
313 Chaldaea is a large Main belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material.
It was discovered by Johann Palisa on August 30, 1891 in Vienna.
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