align=right | 11 km || |-id=519 bgcolor=#d6d6d6 | 15519 || 1999 XW || — || December 2, 1999 || Oizumi || T. Kobayashi || — || align=right | 16 km || |-id=520 bgcolor=#E9E9E9 | 15520 || || — || December 7, 1999 || Socorro || LINEAR || EUN || align=right | 8.6 km || |-id=521 bgcolor=#C2FFFF | 15521 || || — || December 12, 1999 || Socorro || LINEAR || L4 || align=right | 28 km || |-id=522 bgcolor=#fefefe | 15522 Trueblood || || || December 14, 1999 || Fountain Hills || C. W. Juels || — || align=right | 3.6 km || |-id=523 bgcolor=#E9E9E9 | 15523 Grenville || || || December 9, 1999 || Anderson Mesa || LONEOS || GEF || align=right | 4.9 km || |-id=524 bgcolor=#E9E9E9 | 15524 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 7.6 km || |-id=525 bgcolor=#E9E9E9 | 15525 || || — || December 10, 1999 || Socorro || LINEAR || — || align=right | 6.8 km || |-id=526 bgcolor=#d6d6d6 | 15526 Kokura || || || December 8, 1999 || Anderson Mesa || LONEOS || — || align=right | 6.0 km || |-id=527 bgcolor=#C2FFFF | 15527 || || — || December 16, 1999 || Socorro || LINEAR || L4 || align=right | 36 km || |-id=528 bgcolor=#fefefe | 15528 || || — || January 3, 2000 || Socorro || LINEAR || FLO || align=right | 2.3 km || |-id=529 bgcolor=#C2FFFF | 15529 || || — || January 5, 2000 || Socorro || LINEAR || L4slow || align=right | 16 km || |-id=530 bgcolor=#fefefe | 15530 Kuber || || || January 5, 2000 || Socorro || LINEAR || FLO || align=right | 2.3 km || |-id=531 bgcolor=#fefefe | 15531 || || — || January 5, 2000 || Socorro || LINEAR || — || align=right | 2.2 km || |-id=532 bgcolor=#d6d6d6 | 15532 || || — || January 5, 2000 || Socorro || LINEAR || — || align=right | 19 km || |-id=533 bgcolor=#fefefe | 15533 || || — || January 5, 2000 || Socorro || LINEAR || slow || align=right | 3.9 km || |-id=534 bgcolor=#d6d6d6 | 15534 || || — || January 5, 2000 || Socorro || LINEAR || — || align=right | 13 km || |-id=535 bgcolor=#C2FFFF | 15535 || || — || January 7, 2000 || Socorro || LINEAR || L4 || align=right