— || December 19, 1998 || Oizumi || T. Kobayashi || — || align=right | 14 km || |-id=526 bgcolor=#E9E9E9 | 44526 || || — || December 16, 1998 || Socorro || LINEAR || MAR || align=right | 3.4 km || |-id=527 bgcolor=#E9E9E9 | 44527 Tonnon || || || December 22, 1998 || Cocoa || I. P. Griffin || — || align=right | 7.0 km || |-id=528 bgcolor=#E9E9E9 | 44528 || || — || December 22, 1998 || Višnjan Observatory || K. Korlević || GEF || align=right | 4.7 km || |-id=529 bgcolor=#d6d6d6 | 44529 || || — || December 22, 1998 || Reedy Creek || J. Broughton || EOS || align=right | 4.3 km || |-id=530 bgcolor=#E9E9E9 | 44530 Horáková || || || December 25, 1998 || Kleť || J. Tichá, M. Tichý || slow? || align=right | 7.1 km || |-id=531 bgcolor=#d6d6d6 | 44531 || || — || December 17, 1998 || Xinglong || SCAP || — || align=right | 13 km || |-id=532 bgcolor=#d6d6d6 | 44532 || || — || December 23, 1998 || Xinglong || SCAP || EOS || align=right | 6.4 km || |-id=533 bgcolor=#E9E9E9 | 44533 || || — || December 24, 1998 || Višnjan Observatory || K. Korlević, M. Jurić || — || align=right | 4.6 km || |-id=534 bgcolor=#fefefe | 44534 || || — || December 25, 1998 || Višnjan Observatory || K. Korlević, M. Jurić || FLO || align=right | 1.9 km || |-id=535 bgcolor=#d6d6d6 | 44535 || || — || December 22, 1998 || Kitt Peak || Spacewatch || — || align=right | 6.3 km || |-id=536 bgcolor=#E9E9E9 | 44536 || || — || December 19, 1998 || Socorro || LINEAR || INO || align=right | 2.7 km || |-id=537 bgcolor=#fefefe | 44537 || 1999 AG || — || January 5, 1999 || Višnjan Observatory || K. Korlević || FLO || align=right | 1.8 km || |-id=538 bgcolor=#d6d6d6 | 44538 || || — || January 9, 1999 || Oizumi || T. Kobayashi || — || align=right | 8.4 km || |-id=539 bgcolor=#fefefe | 44539 || || — || January 9, 1999 || Višnjan Observatory || K. Korlević || FLO || align=right | 1.8 km || |-id=540 bgcolor=#E9E9E9 | 44540 || || — || January 8, 1999 || Socorro || LINEAR || EUN || align=right | 4.9 km || |-id=541 bgcolor=#fefefe | 44541 || || — || January 9, 1999 ||