1090 Sumida
From Wikipedia, the free encyclopedia
1090 Sumida is a Phocaea asteroid orbiting the Sun.[1][2]
| Discovery[3] | |
|---|---|
| Discovered by | O. Oikawa |
| Discovery site | Tokyo |
| Discovery date | 20 February 1928 |
| Designations | |
| (1090) Sumida | |
| 1928 DG | |
| Orbital characteristics[3] | |
| Epoch 21 November 2025 (JD 2461000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 97.76 yr (35708 d) |
| Aphelion | 2.8805 AU (430.92 Gm) |
| Perihelion | 1.8369 AU (274.80 Gm) |
| 2.3587 AU (352.86 Gm) | |
| Eccentricity | 0.22121 |
| 3.63 yr (1323.2 d) | |
| 7.214° | |
| 0° 16m 19.488s / day | |
| Inclination | 21.543° |
| 147.924° | |
| 337.987° | |
| Physical characteristics | |
| 12.977±0.438 km[3] | |
| 0.311±0.120[3] | |
| 12.44[3] | |