|| align=right | 4.9 km || |-id=980 bgcolor=#fefefe | 23980 Ogden || || || May 14, 1999 || Socorro || LINEAR || V || align=right | 3.2 km || |-id=981 bgcolor=#fefefe | 23981 Patjohnson || || || June 9, 1999 || Socorro || LINEAR || V || align=right | 2.5 km || |-id=982 bgcolor=#E9E9E9 | 23982 || || — || June 9, 1999 || Socorro || LINEAR || — || align=right | 6.5 km || |-id=983 bgcolor=#FA8072 | 23983 || || — || July 13, 1999 || Socorro || LINEAR || — || align=right | 2.7 km || |-id=984 bgcolor=#E9E9E9 | 23984 || || — || July 14, 1999 || Socorro || LINEAR || EUN || align=right | 4.1 km || |-id=985 bgcolor=#E9E9E9 | 23985 || || — || July 12, 1999 || Socorro || LINEAR || EUN || align=right | 5.8 km || |-id=986 bgcolor=#d6d6d6 | 23986 || || — || July 12, 1999 || Socorro || LINEAR || TIR || align=right | 5.2 km || |-id=987 bgcolor=#C2FFFF | 23987 || || — || July 13, 1999 || Socorro || LINEAR || L5 || align=right | 21 km || |-id=988 bgcolor=#d6d6d6 | 23988 Maungakiekie || 1999 RB || || September 2, 1999 || Auckland || I. P. Griffin || ITH || align=right | 5.3 km || |-id=989 bgcolor=#E9E9E9 | 23989 Farpoint || 1999 RF || || September 3, 1999 || Farpoint || G. Hug, G. Bell || — || align=right | 3.5 km || |-id=990 bgcolor=#fefefe | 23990 Springsteen || || || September 4, 1999 || Auckland || I. P. Griffin || — || align=right | 1.6 km || |-id=991 bgcolor=#fefefe | 23991 || || — || September 6, 1999 || Višnjan Observatory || K. Korlević || NYS || align=right | 4.1 km || |-id=992 bgcolor=#fefefe | 23992 Markhobbs || || || September 7, 1999 || Socorro || LINEAR || FLO || align=right | 1.8 km || |-id=993 bgcolor=#E9E9E9 | 23993 || || — || September 7, 1999 || Socorro || LINEAR || EUN || align=right | 4.2 km || |-id=994 bgcolor=#fefefe | 23994 Mayhan || || || September 7, 1999 || Socorro || LINEAR || NYS || align=right | 1.9 km || |-id=995 bgcolor=#fefefe | 23995 Oechsle || || || September 7, 1999 || Socorro || LINEAR || NYS || align=right | 1.8 km || |-id=996 bgcolor=#fefefe | 23996 || || — || September 8, 1999 || Višnjan