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| Class | Unambiguous Class. | Asteroids in SDSS | SDSS Observ. |
| V | 42 | 11 (11) | 35 (32) |
| A | 17 | - | - |
| S | 741 | 153 (128) | 304 (237) |
| Q | 7 | - | - |
| O | 3 | - | - |
|
117 | 33 (27) | 79 (66) |
| C | 451 | 93 (86) | 191 (167) |
| X | 383 | 97 (91) | 176 (164) |
| D | 99 | 27 (25) | 50 (42) |
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