1998 || Kitt Peak || Spacewatch || HEN || align=right | 2.2 km || |-id=512 bgcolor=#d6d6d6 | 101512 || || — || December 14, 1998 || Kitt Peak || Spacewatch || — || align=right | 3.3 km || |-id=513 bgcolor=#d6d6d6 | 101513 || || — || December 14, 1998 || Kitt Peak || Spacewatch || — || align=right | 3.5 km || |-id=514 bgcolor=#fefefe | 101514 || || — || December 15, 1998 || Socorro || LINEAR || H || align=right | 1.3 km || |-id=515 bgcolor=#E9E9E9 | 101515 || || — || December 15, 1998 || Socorro || LINEAR || BRU || align=right | 6.7 km || |-id=516 bgcolor=#d6d6d6 | 101516 || || — || December 14, 1998 || Socorro || LINEAR || — || align=right | 5.9 km || |-id=517 bgcolor=#fefefe | 101517 || || — || December 14, 1998 || Socorro || LINEAR || V || align=right | 1.6 km || |-id=518 bgcolor=#fefefe | 101518 || || — || December 14, 1998 || Socorro || LINEAR || — || align=right | 5.7 km || |-id=519 bgcolor=#E9E9E9 | 101519 || || — || December 14, 1998 || Socorro || LINEAR || — || align=right | 5.0 km || |-id=520 bgcolor=#fefefe | 101520 || || — || December 14, 1998 || Socorro || LINEAR || — || align=right | 4.5 km || |-id=521 bgcolor=#fefefe | 101521 || || — || December 15, 1998 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=522 bgcolor=#fefefe | 101522 || || — || December 14, 1998 || Socorro || LINEAR || — || align=right | 2.2 km || |-id=523 bgcolor=#fefefe | 101523 || || — || December 14, 1998 || Socorro || LINEAR || — || align=right | 2.6 km || |-id=524 bgcolor=#fefefe | 101524 || || — || December 14, 1998 || Socorro || LINEAR || NYS || align=right | 1.9 km || |-id=525 bgcolor=#E9E9E9 | 101525 || || — || December 14, 1998 || Socorro || LINEAR || RAF || align=right | 2.6 km || |-id=526 bgcolor=#fefefe | 101526 || || — || December 14, 1998 || Socorro || LINEAR || MAS || align=right | 1.4 km || |-id=527 bgcolor=#E9E9E9 | 101527 || || — || December 15, 1998 || Socorro || LINEAR || ADE || align=right | 6.0 km || |-id=528 bgcolor=#d6d6d6 | 101528 || || — || December 15, 1998 || Socorro || LINEAR ||