387 Aquitania
Aquitania (minor planet designation: 387 Aquitainia), provisional designation 1894 AZ, is a Postremian asteroid from the central regions of the asteroid belt, approximately 101 kilometers in diameter. Discovered by Fernand Courty at the Bordeaux Observatory in 1894, it was named for the French region of Aquitaine, the former province of Gallia Aquitania in the ancient Roman Empire.
Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | F. Courty |
| Discovery site | Bordeaux Obs. |
| Discovery date | 5 March 1894 |
| Designations | |
MPC designation | (387) Aquitania |
| Pronunciation | /ækwɪˈteɪniə/ |
Named after | Aquitaine (Roman Gallia Aquitania) |
Alternative designations | 1894 AZ · 1945 NA 1948 BG · 1953 EO1 |
Minor planet category | main-belt · (middle) Postrema |
| Symbol | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 123.56 yr (45,132 days) |
| Aphelion | 3.3853 AU |
| Perihelion | 2.0964 AU |
Semi-major axis | 2.7409 AU |
| Eccentricity | 0.2351 |
Orbital period (sidereal) | 4.54 yr (1,657 days) |
Mean anomaly | 330.99° |
Mean motion | 0° 13m 1.92s / day |
| Inclination | 18.113° |
Longitude of ascending node | 128.24° |
| 157.14° | |
| Physical characteristics | |
| Dimensions | 97.33±3.42 km 100.51±2.9 km 105.06±1.34 km |
| Mass | (1.90±0.64)×1018 kg (1.453 ± 0.602/0.284)×1018 kg |
Mean density | 3.27 ± 1.11 g/cm3 3.041 ± 1.259/0.595 g/cm3 |
Synodic rotation period | 24.144 h (1.0060 d) |
| 0.1900±0.011 | |
| Tholen = S SMASS = L B–V = 0.881 U–B = 0.449 | |
| 7.55 · 7.44±0.02 | |
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