7.8 km || |-id=547 bgcolor=#d6d6d6 | 38547 || || — || November 3, 1999 || Socorro || LINEAR || — || align=right | 6.9 km || |-id=548 bgcolor=#d6d6d6 | 38548 || || — || November 3, 1999 || Socorro || LINEAR || — || align=right | 22 km || |-id=549 bgcolor=#E9E9E9 | 38549 || || — || November 3, 1999 || Socorro || LINEAR || — || align=right | 3.1 km || |-id=550 bgcolor=#d6d6d6 | 38550 || || — || November 4, 1999 || Socorro || LINEAR || — || align=right | 12 km || |-id=551 bgcolor=#d6d6d6 | 38551 || || — || November 4, 1999 || Socorro || LINEAR || THM || align=right | 6.3 km || |-id=552 bgcolor=#d6d6d6 | 38552 || || — || November 4, 1999 || Socorro || LINEAR || — || align=right | 7.7 km || |-id=553 bgcolor=#d6d6d6 | 38553 || || — || November 4, 1999 || Socorro || LINEAR || 3:2 || align=right | 8.4 km || |-id=554 bgcolor=#d6d6d6 | 38554 || || — || November 4, 1999 || Socorro || LINEAR || HYG || align=right | 12 km || |-id=555 bgcolor=#d6d6d6 | 38555 || || — || November 1, 1999 || Kitt Peak || Spacewatch || — || align=right | 6.5 km || |-id=556 bgcolor=#d6d6d6 | 38556 || || — || November 5, 1999 || Socorro || LINEAR || — || align=right | 14 km || |-id=557 bgcolor=#d6d6d6 | 38557 || || — || November 9, 1999 || Socorro || LINEAR || — || align=right | 7.3 km || |-id=558 bgcolor=#d6d6d6 | 38558 || || — || November 9, 1999 || Catalina || CSS || — || align=right | 11 km || |-id=559 bgcolor=#d6d6d6 | 38559 || || — || November 9, 1999 || Catalina || CSS || — || align=right | 11 km || |-id=560 bgcolor=#d6d6d6 | 38560 || || — || November 5, 1999 || Kitt Peak || Spacewatch || THM || align=right | 7.1 km || |-id=561 bgcolor=#E9E9E9 | 38561 || || — || November 10, 1999 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=562 bgcolor=#d6d6d6 | 38562 || || — || November 10, 1999 || Kitt Peak || Spacewatch || HYG || align=right | 8.6 km || |-id=563 bgcolor=#d6d6d6 | 38563 || || — || November 10, 1999 || Kitt Peak || Spacewatch || THM || align=right | 5.8 km || |-id=564