— || align=right | 2.4 km || |-id=544 bgcolor=#fefefe | 461544 || || — || October 19, 2003 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.82" | 820 m || |-id=545 bgcolor=#d6d6d6 | 461545 || || — || September 18, 2003 || Kitt Peak || Spacewatch || — || align=right | 2.3 km || |-id=546 bgcolor=#fefefe | 461546 || || — || October 20, 2003 || Kitt Peak || Spacewatch || V || align=right data-sort-value="0.64" | 640 m || |-id=547 bgcolor=#fefefe | 461547 || || — || October 23, 2003 || Apache Point || SDSS || — || align=right data-sort-value="0.59" | 590 m || |-id=548 bgcolor=#fefefe | 461548 || || — || October 20, 2003 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.72" | 720 m || |-id=549 bgcolor=#d6d6d6 | 461549 || || — || November 15, 2003 || Kitt Peak || Spacewatch || — || align=right | 4.1 km || |-id=550 bgcolor=#d6d6d6 | 461550 || || — || November 18, 2003 || Palomar || NEAT || — || align=right | 3.1 km || |-id=551 bgcolor=#d6d6d6 | 461551 || || — || November 18, 2003 || Palomar || NEAT || — || align=right | 3.6 km || |-id=552 bgcolor=#fefefe | 461552 || || — || October 28, 2003 || Socorro || LINEAR || — || align=right data-sort-value="0.83" | 830 m || |-id=553 bgcolor=#d6d6d6 | 461553 || || — || September 23, 1997 || Kitt Peak || Spacewatch || — || align=right | 2.4 km || |-id=554 bgcolor=#d6d6d6 | 461554 || || — || November 19, 2003 || Palomar || NEAT || TIR || align=right | 3.0 km || |-id=555 bgcolor=#d6d6d6 | 461555 || || — || November 21, 2003 || Socorro || LINEAR || — || align=right | 3.8 km || |-id=556 bgcolor=#d6d6d6 | 461556 || || — || November 30, 2003 || Kitt Peak || Spacewatch || — || align=right | 2.7 km || |-id=557 bgcolor=#d6d6d6 | 461557 || || — || November 18, 2003 || Kitt Peak || Spacewatch || — || align=right | 2.6 km || |-id=558 bgcolor=#d6d6d6 | 461558 || || — || December 14, 2003 || Kitt Peak || Spacewatch || LIX || align=right | 3.4 km || |-id=559 bgcolor=#d6d6d6 | 461559 || || — || December 19, 2003 || Socorro || LINEAR || Tj (2.99) || align=right | 3.8 km || |-id=560 bgcolor=#d6d6d6 | 461560 || || — || December