data-sort-value="0.74" | 740 m || |-id=511 bgcolor=#fefefe | 461511 || || — || September 16, 2003 || Kitt Peak || Spacewatch || V || align=right data-sort-value="0.51" | 510 m || |-id=512 bgcolor=#fefefe | 461512 || || — || September 18, 2003 || Palomar || NEAT || — || align=right | 1.2 km || |-id=513 bgcolor=#fefefe | 461513 || || — || September 18, 2003 || Socorro || LINEAR || V || align=right data-sort-value="0.69" | 690 m || |-id=514 bgcolor=#fefefe | 461514 || || — || September 18, 2003 || Socorro || LINEAR || — || align=right data-sort-value="0.82" | 820 m || |-id=515 bgcolor=#fefefe | 461515 || || — || September 18, 2003 || Anderson Mesa || LONEOS || — || align=right data-sort-value="0.85" | 850 m || |-id=516 bgcolor=#fefefe | 461516 || || — || September 16, 2003 || Palomar || NEAT || — || align=right | 1.4 km || |-id=517 bgcolor=#fefefe | 461517 || || — || September 19, 2003 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.55" | 550 m || |-id=518 bgcolor=#fefefe | 461518 || || — || September 19, 2003 || Anderson Mesa || LONEOS || — || align=right | 1.0 km || |-id=519 bgcolor=#d6d6d6 | 461519 || || — || September 20, 2003 || Socorro || LINEAR || — || align=right | 2.9 km || |-id=520 bgcolor=#fefefe | 461520 || || — || September 18, 2003 || Socorro || LINEAR || — || align=right data-sort-value="0.84" | 840 m || |-id=521 bgcolor=#fefefe | 461521 || || — || September 26, 2003 || Desert Eagle || W. K. Y. Yeung || — || align=right data-sort-value="0.76" | 760 m || |-id=522 bgcolor=#fefefe | 461522 || || — || September 27, 2003 || Kitt Peak || Spacewatch || H || align=right data-sort-value="0.66" | 660 m || |-id=523 bgcolor=#d6d6d6 | 461523 || || — || September 28, 2003 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=524 bgcolor=#fefefe | 461524 || || — || September 22, 2003 || Anderson Mesa || LONEOS || — || align=right data-sort-value="0.84" | 840 m || |-id=525 bgcolor=#fefefe | 461525 || || — || September 28, 2003 || Kitt Peak || Spacewatch || NYS || align=right data-sort-value="0.63" | 630 m || |-id=526 bgcolor=#fefefe | 461526 || || — || September 17, 2003 || Palomar || NEAT || — || align=right data-sort-value="0.91" | 910 m || |-id=527 bgcolor=#fefefe | 461527