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Discovery
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| Discovered by | Johann Palisa |
| Discovery date | May 17, 1887 |
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Designations
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| Alternate name(s) | n/a |
| Minor planet category |
Main belt |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 485.259 Gm (3.244 AU) |
| Perihelion | 353.479 Gm (2.363 AU) |
| Semi-major axis | 419.369 Gm (2.803 AU) |
| Eccentricity | 0.157 |
| Orbital period | 1714.34 d (4.69 a) |
| Average orbital speed | 17.79 km/s |
| Mean anomaly | 250.561° |
| Inclination | 13.391° |
| Longitude of ascending node | 236.007° |
| Argument of perihelion | 151.36° |
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Physical characteristics
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| Dimensions | 109.0 km |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 12.3 h |
| Albedo | 0.059 |
| Temperature | unknown |
| Spectral type | C |
| Absolute magnitude (H) | 8.8 |
266 Aline is a fairly large main belt asteroid. It is a dark C-type asteroid and is probably composed of primitive carbonaceous material.
It was discovered by Johann Palisa on May 17, 1887 in Vienna and is thought to have been named after the daughter of astronomer Edmund Weiss.
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