|| J. Broughton || — || align=right | 6.5 km || |-id=473 bgcolor=#E9E9E9 | 59473 || || — || April 19, 1999 || Višnjan Observatory || Višnjan Obs. || — || align=right | 5.4 km || |-id=474 bgcolor=#E9E9E9 | 59474 || || — || April 20, 1999 || Višnjan Observatory || K. Korlević, M. Jurić || — || align=right | 5.8 km || |-id=475 bgcolor=#fefefe | 59475 || || — || April 19, 1999 || Višnjan Observatory || K. Korlević, M. Jurić || — || align=right | 4.1 km || |-id=476 bgcolor=#fefefe | 59476 || || — || April 21, 1999 || Hawker || J. B. Child || — || align=right | 2.2 km || |-id=477 bgcolor=#d6d6d6 | 59477 || || — || April 18, 1999 || Catalina || CSS || EMA || align=right | 9.2 km || |-id=478 bgcolor=#E9E9E9 | 59478 || || — || April 16, 1999 || Kitt Peak || Spacewatch || VIB || align=right | 6.3 km || |-id=479 bgcolor=#E9E9E9 | 59479 || || — || April 17, 1999 || Kitt Peak || Spacewatch || — || align=right | 4.0 km || |-id=480 bgcolor=#d6d6d6 | 59480 || || — || April 19, 1999 || Kitt Peak || Spacewatch || EOS || align=right | 5.9 km || |-id=481 bgcolor=#E9E9E9 | 59481 || || — || April 17, 1999 || Socorro || LINEAR || — || align=right | 4.3 km || |-id=482 bgcolor=#E9E9E9 | 59482 || || — || April 17, 1999 || Socorro || LINEAR || DOR || align=right | 5.4 km || |-id=483 bgcolor=#E9E9E9 | 59483 || || — || April 16, 1999 || Catalina || CSS || JUN || align=right | 7.1 km || |-id=484 bgcolor=#fefefe | 59484 || 1999 JJ || — || May 6, 1999 || Socorro || LINEAR || H || align=right | 1.9 km || |-id=485 bgcolor=#E9E9E9 | 59485 || 1999 JR || — || May 4, 1999 || Xinglong || SCAP || — || align=right | 4.1 km || |-id=486 bgcolor=#E9E9E9 | 59486 || 1999 JV || — || May 5, 1999 || Xinglong || SCAP || — || align=right | 2.8 km || |-id=487 bgcolor=#E9E9E9 | 59487 || || — || May 8, 1999 || Catalina || CSS || — || align=right | 4.3 km || |-id=488 bgcolor=#E9E9E9 | 59488 || || — || May 8, 1999 || Catalina || CSS || — || align=right | 7.0 km ||