15, 1999 || Socorro || LINEAR || NYS || align=right | 2.6 km || |-id=019 bgcolor=#E9E9E9 | 23019 Thomgregory || || || November 3, 1999 || Socorro || LINEAR || WIT || align=right | 2.3 km || |-id=020 bgcolor=#fefefe | 23020 || || — || November 27, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 3.4 km || |-id=021 bgcolor=#E9E9E9 | 23021 || || — || November 28, 1999 || Oizumi || T. Kobayashi || — || align=right | 5.2 km || |-id=022 bgcolor=#d6d6d6 | 23022 || || — || November 28, 1999 || Oizumi || T. Kobayashi || KOR || align=right | 4.4 km || |-id=023 bgcolor=#d6d6d6 | 23023 || || — || November 28, 1999 || Višnjan Observatory || K. Korlević || KOR || align=right | 5.6 km || |-id=024 bgcolor=#d6d6d6 | 23024 || || — || November 28, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 4.1 km || |-id=025 bgcolor=#d6d6d6 | 23025 || || — || November 30, 1999 || Oizumi || T. Kobayashi || 7:4 || align=right | 17 km || |-id=026 bgcolor=#d6d6d6 | 23026 || || — || November 30, 1999 || Oizumi || T. Kobayashi || EOS || align=right | 12 km || |-id=027 bgcolor=#E9E9E9 | 23027 || || — || November 30, 1999 || Kitt Peak || Spacewatch || — || align=right | 5.2 km || |-id=028 bgcolor=#d6d6d6 | 23028 || || — || December 4, 1999 || Catalina || CSS || 7:4 || align=right | 11 km || |-id=029 bgcolor=#d6d6d6 | 23029 || || — || December 4, 1999 || Catalina || CSS || — || align=right | 6.7 km || |-id=030 bgcolor=#d6d6d6 | 23030 Jimkennedy || || || December 4, 1999 || Fountain Hills || C. W. Juels || — || align=right | 20 km || |-id=031 bgcolor=#fefefe | 23031 || || — || December 3, 1999 || Socorro || LINEAR || FLO || align=right | 2.2 km || |-id=032 bgcolor=#E9E9E9 | 23032 Fossey || || || December 3, 1999 || Reedy Creek || J. Broughton || WIT || align=right | 3.3 km || |-id=033 bgcolor=#d6d6d6 | 23033 || || — || December 5, 1999 || Catalina || CSS || — || align=right | 12 km || |-id=034 bgcolor=#fefefe | 23034 || || — || December 5, 1999 || Višnjan Observatory || K. Korlević || NYS || align=right | 3.2 km ||