3290 Azabu
3290 Azabu, provisional designation 1973 SZ1, is a dynamical Hildian asteroid from the outermost regions of the asteroid belt, approximately 10–20 kilometers (6–10 miles) in diameter. It was discovered on 19 September 1973, by Dutch astronomers Ingrid and Cornelis van Houten at Leiden, and Tom Gehrels the Palomar Observatory. The asteroid has a rotation period of 7.67 hours. It was named after the former city district of Tokyo, Azabu.
| Discovery | |
|---|---|
| Discovered by | C. J. van Houten I. van Houten-G. T. Gehrels |
| Discovery site | Palomar Obs. |
| Discovery date | 19 September 1973 |
| Designations | |
| (3290) Azabu | |
Named after | Azabu (City district of Tokyo) |
| 1973 SZ1 · 1982 VX2 | |
| main-belt · (outer) Hilda · background | |
| Orbital characteristics | |
| Epoch 23 March 2018 (JD 2458200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 63.06 yr (23,034 d) |
| Aphelion | 4.4853 AU |
| Perihelion | 3.4579 AU |
| 3.9716 AU | |
| Eccentricity | 0.1293 |
| 7.92 yr (2,891 d) | |
| 44.445° | |
| 0° 7m 28.2s / day | |
| Inclination | 2.7728° |
| 75.105° | |
| 110.73° | |
| Jupiter MOID | 0.4837 AU |
| TJupiter | 3.0410 |
| Physical characteristics | |
Mean diameter | 10.185±0.504 km 21.16 km (calculated) |
| 7.670±0.005 h 12 h (poor) | |
| 0.057 (assumed) 0.32±0.08 0.324±0.082 | |
| XL (SDSS-MOC) XL (Pan-STARRS) C (SDSS-MFB) | |
| 11.81 12.1 12.31±0.23 | |
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