266 Aline
From Biocrawler, the free encyclopedia.
| Discovery A (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
|---|---|
| Discoverer | Johann Palisa |
| Discovery date | May 17, 1887 |
| Alternate designations | n/a B (http://cfa-www.harvard.edu/iau/MPDes.html) |
| Category | Main belt |
| Orbital elements C (http://asteroid.lowell.edu/) Epoch 30 January, 2005 (JD 2453400.5) | |
| Eccentricity (e) | 0.157 |
| Semi-major axis (a) | 419.369 Gm (2.803 AU) |
| Perihelion (q) | 353.479 Gm (2.363 AU) |
| Aphelion (Q) | 485.259 Gm (3.244 AU) |
| Orbital period (P) | 1714.34 d (4.69 a) |
| Mean orbital speed | 17.79 km/s |
| Inclination (i) | 13.391° |
| Longitude of the ascending node (Ω) | 236.007° |
| Argument of perihelion (ω) | 151.36° |
| Mean anomaly (M) | 250.561° |
| Physical characteristics | |
| Dimensions | 109.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 12.3 h |
| Spectral class | C |
| Absolute magnitude | 8.8 |
| Albedo | 0.059 |
| Mean surface temperature | unknown |
266 Aline is a fairly large Main belt asteroid. It is a dark C-type asteroid and is probably composed of primitive carbonaceous chondrites.
It was discovered by Johann Palisa on May 17, 1887 in Vienna and is thought to have been named after the daughter of astronomer E. Weiss.
[edit]
References
- The Asteroid Orbital Elements Database (ftp://ftp.lowell.edu/pub/elgb/astorb.html)
- Minor Planet Discovery Circumstances (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html)
- Asteroid Lightcurve Data File (http://spiff.rit.edu/richmond/parallax/phot/LCSUMPUB.TXT)
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