|| October 29, 1999 || Catalina || CSS || TEL || align=right | 5.4 km || |-id=667 bgcolor=#d6d6d6 | 20667 || || — || October 27, 1999 || Višnjan Observatory || K. Korlević || THM || align=right | 8.3 km || |-id=668 bgcolor=#fefefe | 20668 || || — || October 27, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 4.5 km || |-id=669 bgcolor=#d6d6d6 | 20669 || || — || October 29, 1999 || Catalina || CSS || — || align=right | 7.3 km || |-id=670 bgcolor=#d6d6d6 | 20670 || || — || October 31, 1999 || Catalina || CSS || — || align=right | 12 km || |-id=671 bgcolor=#E9E9E9 | 20671 || || — || October 31, 1999 || Catalina || CSS || ADE || align=right | 6.5 km || |-id=672 bgcolor=#E9E9E9 | 20672 || || — || October 30, 1999 || Catalina || CSS || CLO || align=right | 10 km || |-id=673 bgcolor=#d6d6d6 | 20673 Janelle || 1999 VW || || November 3, 1999 || Farpoint || G. Bell || — || align=right | 6.0 km || |-id=674 bgcolor=#d6d6d6 | 20674 || || — || November 4, 1999 || Oohira || T. Urata || — || align=right | 15 km || |-id=675 bgcolor=#d6d6d6 | 20675 || || — || November 5, 1999 || Oizumi || T. Kobayashi || — || align=right | 14 km || |-id=676 bgcolor=#d6d6d6 | 20676 || || — || November 8, 1999 || Fountain Hills || C. W. Juels || ALA || align=right | 18 km || |-id=677 bgcolor=#E9E9E9 | 20677 || || — || November 7, 1999 || Višnjan Observatory || K. Korlević || MAR || align=right | 6.3 km || |-id=678 bgcolor=#fefefe | 20678 || || — || November 8, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 3.2 km || |-id=679 bgcolor=#d6d6d6 | 20679 || || — || November 9, 1999 || Fountain Hills || C. W. Juels || URS || align=right | 17 km || |-id=680 bgcolor=#E9E9E9 | 20680 || || — || November 9, 1999 || Fountain Hills || C. W. Juels || EUN || align=right | 5.8 km || |-id=681 bgcolor=#E9E9E9 | 20681 || || — || November 9, 1999 || Oizumi || T. Kobayashi || — || align=right | 4.9 km || |-id=682 bgcolor=#E9E9E9 | 20682 || || — || November 14, 1999 || Fountain Hills || C.