|| R. S. Dugan || — || align=right | 82 km || |-id=504 bgcolor=#E9E9E9 | 504 Cora || 1902 LK || || June 30, 1902 || Arequipa || S. I. Bailey || — || align=right | 30 km || |-id=505 bgcolor=#E9E9E9 | 505 Cava || 1902 LL || || August 21, 1902 || Arequipa || R. H. Frost || — || align=right | 115 km || |-id=506 bgcolor=#d6d6d6 | 506 Marion || 1903 LN || || February 17, 1903 || Heidelberg || R. S. Dugan || — || align=right | 106 km || |-id=507 bgcolor=#d6d6d6 | 507 Laodica || 1903 LO || || February 19, 1903 || Heidelberg || R. S. Dugan || — || align=right | 45 km || |-id=508 bgcolor=#d6d6d6 | 508 Princetonia || 1903 LQ || || April 20, 1903 || Heidelberg || R. S. Dugan || — || align=right | 117 km || |-id=509 bgcolor=#d6d6d6 | 509 Iolanda || 1903 LR || || April 28, 1903 || Heidelberg || M. F. Wolf || — || align=right | 52 km || |-id=510 bgcolor=#E9E9E9 | 510 Mabella || 1903 LT || || May 20, 1903 || Heidelberg || R. S. Dugan || — || align=right | 60 km || |-id=511 bgcolor=#d6d6d6 | 511 Davida || 1903 LU || || May 30, 1903 || Heidelberg || R. S. Dugan || MEL || align=right | 270 km || |-id=512 bgcolor=#FA8072 | 512 Taurinensis || 1903 LV || || June 23, 1903 || Heidelberg || M. F. Wolf || — || align=right | 23 km || |-id=513 bgcolor=#d6d6d6 | 513 Centesima || 1903 LY || || August 24, 1903 || Heidelberg || M. F. Wolf || EOS || align=right | 49 km || |-id=514 bgcolor=#d6d6d6 | 514 Armida || 1903 MB || || August 24, 1903 || Heidelberg || M. F. Wolf || — || align=right | 120 km || |-id=515 bgcolor=#d6d6d6 | 515 Athalia || 1903 ME || || September 20, 1903 || Heidelberg || M. F. Wolf || THM || align=right | 41 km || |-id=516 bgcolor=#E9E9E9 | 516 Amherstia || 1903 MG || || September 20, 1903 || Heidelberg || R. S. Dugan || — || align=right | 65 km || |-id=517 bgcolor=#d6d6d6 | 517 Edith || 1903 MH || || September 22, 1903 || Heidelberg || R. S. Dugan || — || align=right | 112 km || |-id=518 bgcolor=#E9E9E9 | 518 Halawe || 1903 MO || ||