|| — || August 17, 1998 || Socorro || LINEAR || — || align=right | 8.4 km || |-id=548 bgcolor=#fefefe | 12548 Erinriley || || || August 17, 1998 || Socorro || LINEAR || NYS || align=right | 3.3 km || |-id=549 bgcolor=#d6d6d6 | 12549 || || — || August 17, 1998 || Socorro || LINEAR || HYG || align=right | 11 km || |-id=550 bgcolor=#E9E9E9 | 12550 || || — || August 17, 1998 || Socorro || LINEAR || EUN || align=right | 6.6 km || |-id=551 bgcolor=#fefefe | 12551 || || — || August 17, 1998 || Socorro || LINEAR || — || align=right | 7.0 km || |-id=552 bgcolor=#d6d6d6 | 12552 || || — || August 17, 1998 || Socorro || LINEAR || — || align=right | 19 km || |-id=553 bgcolor=#fefefe | 12553 Aaronritter || || || August 17, 1998 || Socorro || LINEAR || — || align=right | 3.1 km || |-id=554 bgcolor=#d6d6d6 | 12554 || || — || August 17, 1998 || Socorro || LINEAR || HYG || align=right | 13 km || |-id=555 bgcolor=#d6d6d6 | 12555 || || — || August 17, 1998 || Socorro || LINEAR || KOR || align=right | 9.1 km || |-id=556 bgcolor=#fefefe | 12556 Kyrobinson || || || August 17, 1998 || Socorro || LINEAR || V || align=right | 2.9 km || |-id=557 bgcolor=#d6d6d6 | 12557 Caracol || || || August 27, 1998 || Anderson Mesa || LONEOS || — || align=right | 15 km || |-id=558 bgcolor=#E9E9E9 | 12558 || || — || August 31, 1998 || Xinglong || SCAP || — || align=right | 5.3 km || |-id=559 bgcolor=#d6d6d6 | 12559 || || — || August 24, 1998 || Socorro || LINEAR || — || align=right | 30 km || |-id=560 bgcolor=#d6d6d6 | 12560 || || — || September 14, 1998 || Socorro || LINEAR || THM || align=right | 16 km || |-id=561 bgcolor=#d6d6d6 | 12561 Howard || || || September 20, 1998 || Kitt Peak || Spacewatch || THM || align=right | 14 km || |-id=562 bgcolor=#d6d6d6 | 12562 Briangrazer || || || September 19, 1998 || Kitt Peak || Spacewatch || — || align=right | 25 km || |-id=563 bgcolor=#E9E9E9 | 12563 || || — || September 20, 1998 || Xinglong || SCAP || — || align=right | 7.4 km || |-id=564 bgcolor=#d6d6d6 | 12564 Ikeller || || || September 22, 1998