323 Brucia
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|
| Discovery A (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
|---|---|
| Discoverer | Max Wolf |
| Discovery date | December 22, 1891 |
| Alternate designations | B (http://cfa-www.harvard.edu/iau/MPDes.html) |
| Category | Main belt (Mars-crosser) |
| Orbital elements C (http://asteroid.lowell.edu/) Epoch 30 January, 2005 (JD 2453400.5) | |
| Eccentricity (e) | 0.302 |
| Semi-major axis (a) | 356.279 Gm (2.382 AU) |
| Perihelion (q) | 248.71 Gm (1.663 AU) |
| Aphelion (Q) | 463.848 Gm (3.101 AU) |
| Orbital period (P) | 1342.418 d (3.68 a) |
| Mean orbital speed | 19.3 km/s |
| Inclination (i) | 24.227° |
| Longitude of the ascending node (Ω) | 97.463° |
| Argument of perihelion (ω) | 291.344° |
| Mean anomaly (M) | 313.444° |
| Physical characteristics | |
| Dimensions | 36.0 km |
| Mass | unknown |
| Density | unknown |
| Surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | unknown |
| Spectral class | S |
| Absolute magnitude | 9.73 |
| Albedo | unknown |
| Mean surface temperature | unknown |
323 Brucia was the first asteroid to be discovered by the use of astrophotography. It was also the first of over 200 asteroids discovered by Max Wolf, a pioneer in that method of finding astronomical objects. Discovered in 1891, it was named in honour of Catherine Wolfe Bruce, a noted patroness of the science of astronomy.
It it also a Mars-crosser asteroid.
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| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |