|| || — || December 29, 1998 || Xinglong || SCAP || — || align=right | 7.9 km || |-id=456 bgcolor=#E9E9E9 | 49456 || || — || December 21, 1998 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=457 bgcolor=#E9E9E9 | 49457 || || — || December 19, 1998 || Xinglong || SCAP || EUN || align=right | 3.3 km || |-id=458 bgcolor=#E9E9E9 | 49458 || || — || January 9, 1999 || Oizumi || T. Kobayashi || — || align=right | 3.3 km || |-id=459 bgcolor=#d6d6d6 | 49459 || || — || January 9, 1999 || Oizumi || T. Kobayashi || — || align=right | 8.9 km || |-id=460 bgcolor=#d6d6d6 | 49460 || || — || January 11, 1999 || Oizumi || T. Kobayashi || — || align=right | 6.3 km || |-id=461 bgcolor=#d6d6d6 | 49461 || || — || January 10, 1999 || Nachi-Katsuura || Y. Shimizu, T. Urata || EOS || align=right | 8.5 km || |-id=462 bgcolor=#E9E9E9 | 49462 || || — || January 9, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 5.6 km || |-id=463 bgcolor=#d6d6d6 | 49463 || || — || January 9, 1999 || Višnjan Observatory || K. Korlević || EOS || align=right | 9.1 km || |-id=464 bgcolor=#d6d6d6 | 49464 || || — || January 11, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 5.9 km || |-id=465 bgcolor=#E9E9E9 | 49465 || || — || January 10, 1999 || Fair Oaks Ranch || J. V. McClusky || NEM || align=right | 4.0 km || |-id=466 bgcolor=#E9E9E9 | 49466 Huanglin || || || January 6, 1999 || Xinglong || SCAP || GEF || align=right | 4.0 km || |-id=467 bgcolor=#E9E9E9 | 49467 || || — || January 9, 1999 || Kitt Peak || Spacewatch || — || align=right | 6.6 km || |-id=468 bgcolor=#E9E9E9 | 49468 || || — || January 15, 1999 || Oizumi || T. Kobayashi || MIT || align=right | 7.9 km || |-id=469 bgcolor=#d6d6d6 | 49469 Emilianomazzoni || || || January 15, 1999 || Monte Agliale || S. Donati || — || align=right | 8.6 km || |-id=470 bgcolor=#E9E9E9 | 49470 || || — || January 9, 1999 || Kitt Peak || Spacewatch || — || align=right | 9.4 km || |-id=471 bgcolor=#d6d6d6 | 49471 || || — || January 11, 1999 || Kitt Peak ||