|-id=584 bgcolor=#fefefe | 178584 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 1.5 km || |-id=585 bgcolor=#fefefe | 178585 || || — || December 14, 1999 || Socorro || LINEAR || CHL || align=right | 3.1 km || |-id=586 bgcolor=#E9E9E9 | 178586 || || — || December 15, 1999 || Kitt Peak || Spacewatch || — || align=right | 2.3 km || |-id=587 bgcolor=#fefefe | 178587 || || — || December 13, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.1 km || |-id=588 bgcolor=#fefefe | 178588 || || — || December 13, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.2 km || |-id=589 bgcolor=#fefefe | 178589 || || — || December 17, 1999 || Socorro || LINEAR || H || align=right | 1.2 km || |-id=590 bgcolor=#fefefe | 178590 || || — || December 16, 1999 || Kitt Peak || Spacewatch || NYS || align=right data-sort-value="0.82" | 820 m || |-id=591 bgcolor=#E9E9E9 | 178591 || || — || January 3, 2000 || Socorro || LINEAR || MAR || align=right | 1.8 km || |-id=592 bgcolor=#fefefe | 178592 || || — || January 4, 2000 || Socorro || LINEAR || H || align=right | 1.4 km || |-id=593 bgcolor=#E9E9E9 | 178593 || || — || January 5, 2000 || Socorro || LINEAR || — || align=right | 1.4 km || |-id=594 bgcolor=#fefefe | 178594 || || — || January 7, 2000 || Socorro || LINEAR || H || align=right data-sort-value="0.85" | 850 m || |-id=595 bgcolor=#fefefe | 178595 || || — || January 3, 2000 || Kitt Peak || Spacewatch || — || align=right | 1.1 km || |-id=596 bgcolor=#E9E9E9 | 178596 || || — || January 28, 2000 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=597 bgcolor=#fefefe | 178597 || || — || January 26, 2000 || Kitt Peak || Spacewatch || MAS || align=right | 1.2 km || |-id=598 bgcolor=#fefefe | 178598 || || — || January 31, 2000 || Socorro || LINEAR || — || align=right | 1.2 km || |-id=599 bgcolor=#fefefe | 178599 || || — || February 3, 2000 || Socorro || LINEAR || V || align=right | 1.1 km || |-id=600 bgcolor=#E9E9E9 | 178600 || || — || February 2, 2000 || Socorro || LINEAR || MIT || align=right | 4.8 km || |}