Asteroids · 18
Historic Discoveries
The minor planets found in the nineteenth century, from Ceres (1801) onward.
| Name | Category | Type | Diameter | Discovered |
|---|---|---|---|---|
| Ceres | Dwarf planet | Carbonaceous (C) | 939 km | 1801 |
| 2 Pallas | Main belt | Carbonaceous (C) | 513 km | 1802 |
| 3 Juno | Main belt | Silicaceous (S) | 233 km | 1804 |
| 4 Vesta | Main belt | Basaltic (V) | 525 km | 1807 |
| 8 Flora | Main belt | Silicaceous (S) | 136 km | 1847 |
| 10 Hygiea | Main belt | Carbonaceous (C) | 434 km | 1849 |
| 15 Eunomia | Main belt | Silicaceous (S) | 268 km | 1851 |
| 16 Psyche | Main belt | Metallic (M) | 222 km | 1852 |
| 24 Themis | Main belt | Carbonaceous (C) | 198 km | 1853 |
| 31 Euphrosyne | Main belt | Carbonaceous (C) | 256 km | 1854 |
| 52 Europa | Main belt | Carbonaceous (C) | 315 km | 1858 |
| 87 Sylvia | Main belt | Carbonaceous (C) | 253 km | 1866 |
| 132 Aethra | Main belt | Metallic (M) | 42 km | 1873 |
| 153 Hilda | Main belt | Carbonaceous (C) | 170 km | 1875 |
| 221 Eos | Main belt | Other | 104 km | 1882 |
| 243 Ida | Main belt | Silicaceous (S) | ≈ 60 × 25 × 19 km | 1884 |
| 433 Eros | Near-Earth | Silicaceous (S) | ≈ 34 × 11 × 11 km | 1898 |
| 434 Hungaria | Main belt | Other | 11 km | 1898 |