|-id=509 bgcolor=#d6d6d6 | 29509 || || — || December 17, 1997 || Xinglong || SCAP || EOS || align=right | 5.7 km || |-id=510 bgcolor=#d6d6d6 | 29510 || || — || December 21, 1997 || Oizumi || T. Kobayashi || EOS || align=right | 6.7 km || |-id=511 bgcolor=#d6d6d6 | 29511 || || — || December 21, 1997 || Xinglong || SCAP || — || align=right | 3.6 km || |-id=512 bgcolor=#E9E9E9 | 29512 || || — || December 25, 1997 || Oizumi || T. Kobayashi || — || align=right | 5.4 km || |-id=513 bgcolor=#d6d6d6 | 29513 || || — || December 25, 1997 || Oizumi || T. Kobayashi || EOS || align=right | 9.0 km || |-id=514 bgcolor=#d6d6d6 | 29514 Karatsu || || || December 25, 1997 || Chichibu || N. Satō || — || align=right | 10 km || |-id=515 bgcolor=#E9E9E9 | 29515 || || — || December 27, 1997 || Oizumi || T. Kobayashi || — || align=right | 7.8 km || |-id=516 bgcolor=#d6d6d6 | 29516 || || — || December 27, 1997 || Oizumi || T. Kobayashi || EOS || align=right | 6.4 km || |-id=517 bgcolor=#d6d6d6 | 29517 || || — || December 30, 1997 || Oizumi || T. Kobayashi || — || align=right | 15 km || |-id=518 bgcolor=#E9E9E9 | 29518 || || — || December 31, 1997 || Lime Creek || T. Houlden, E. Ross || AGN || align=right | 4.9 km || |-id=519 bgcolor=#d6d6d6 | 29519 || || — || December 29, 1997 || Kitt Peak || Spacewatch || — || align=right | 8.9 km || |-id=520 bgcolor=#d6d6d6 | 29520 || || — || December 31, 1997 || Oizumi || T. Kobayashi || KOR || align=right | 3.9 km || |-id=521 bgcolor=#d6d6d6 | 29521 || || — || December 31, 1997 || Oizumi || T. Kobayashi || — || align=right | 12 km || |-id=522 bgcolor=#d6d6d6 | 29522 || || — || December 29, 1997 || Kitt Peak || Spacewatch || THM || align=right | 6.3 km || |-id=523 bgcolor=#E9E9E9 | 29523 || || — || December 29, 1997 || Kitt Peak || Spacewatch || AGN || align=right | 2.9 km || |-id=524 bgcolor=#d6d6d6 | 29524 || 1998 AE || — || January 3, 1998 || Oaxaca || J. M. Roe || 2:1J || align=right | 12 km || |-id=525 bgcolor=#fefefe | 29525 || 1998 AF || — || January 2,