387 Aquitania
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| Discovery | |
|---|---|
| Discovered by | F. Courty |
| Discovery date | March 5, 1894 |
| Designations | |
| Named after | Aquitaine |
| Alternative names | 1894 AZ |
| Minor planet category | Main belt |
| Orbital characteristics | |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 506.853 Gm (3.388 AU) |
| Perihelion | 312.827 Gm (2.091 AU) |
| Semi-major axis | 409.84 Gm (2.74 AU) |
| Eccentricity | 0.237 |
| Orbital period | 1656.241 d (4.53 a) |
| Average orbital speed | 18.0 km/s |
| Mean anomaly | 50.237° |
| Inclination | 18.132° |
| Longitude of ascending node | 128.332° |
| Argument of perihelion | 157.676° |
| Physical characteristics | |
| Dimensions | 100.5 km[1] |
| Mass | 1.8×1018 kg[2][3] |
| Mean density | 3.27 ± 1.11[4] g/cm3 |
| Rotation period | 24.144 h[1] |
| Albedo | 0.19[1] |
| Spectral type | S[1] |
| Absolute magnitude (H) | 7.41[1] |
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387 Aquitania is a fairly large main-belt asteroid. It is classified as an S-type asteroid.
It was discovered by F. Courty on March 5, 1894, in Bordeaux. It was second of his two asteroid discoveries. The first was 384 Burdigala.
References
- ↑ 1.0 1.1 1.2 1.3 1.4 "JPL Small-Body Database Browser: 387 Aquitania (1894 AZ)". 2008-06-15 last obs. Retrieved 2008-11-11.
- ↑ Michalak, G. (2001). "Determination of asteroid masses". Astronomy & Astrophysics 374 (2): 703–711. Bibcode:2001A&A...374..703M. doi:10.1051/0004-6361:20010731. Retrieved 2008-11-11.
- ↑ (Mass estimate of Aquitania 0.0094 / Mass of Ceres 4.75) * Mass of Ceres 9.43E+20 = 1.866E+18
- ↑ Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science 73: 98-118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
External links
- Orbital simulation from JPL (Java)
- Ephemeris
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