May 10, 1999 || Socorro || LINEAR || H || align=right | 3.2 km || |-id=807 bgcolor=#fefefe | 42807 || || — || May 8, 1999 || Catalina || CSS || — || align=right | 3.3 km || |-id=808 bgcolor=#fefefe | 42808 || || — || May 12, 1999 || Socorro || LINEAR || PHO || align=right | 3.1 km || |-id=809 bgcolor=#d6d6d6 | 42809 || || — || May 10, 1999 || Socorro || LINEAR || 7:4 || align=right | 14 km || |-id=810 bgcolor=#fefefe | 42810 || || — || May 12, 1999 || Socorro || LINEAR || — || align=right | 2.9 km || |-id=811 bgcolor=#FA8072 | 42811 || || — || May 7, 1999 || Socorro || LINEAR || H || align=right | 2.8 km || |-id=812 bgcolor=#E9E9E9 | 42812 || || — || May 12, 1999 || Socorro || LINEAR || DOR || align=right | 9.8 km || |-id=813 bgcolor=#fefefe | 42813 || || — || May 13, 1999 || Socorro || LINEAR || — || align=right | 3.1 km || |-id=814 bgcolor=#fefefe | 42814 || || — || June 9, 1999 || Socorro || LINEAR || — || align=right | 1.9 km || |-id=815 bgcolor=#fefefe | 42815 || || — || June 15, 1999 || Kitt Peak || Spacewatch || NYS || align=right | 2.0 km || |-id=816 bgcolor=#E9E9E9 | 42816 || || — || July 12, 1999 || Socorro || LINEAR || — || align=right | 4.7 km || |-id=817 bgcolor=#fefefe | 42817 || || — || July 13, 1999 || Socorro || LINEAR || FLO || align=right | 1.9 km || |-id=818 bgcolor=#fefefe | 42818 || || — || July 12, 1999 || Višnjan Observatory || K. Korlević || NYS || align=right | 2.0 km || |-id=819 bgcolor=#fefefe | 42819 || || — || July 15, 1999 || Višnjan Observatory || K. Korlević || NYS || align=right | 3.6 km || |-id=820 bgcolor=#fefefe | 42820 || || — || July 13, 1999 || Socorro || LINEAR || — || align=right | 3.8 km || |-id=821 bgcolor=#fefefe | 42821 || || — || July 13, 1999 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=822 bgcolor=#fefefe | 42822 || || — || July 14, 1999 || Socorro || LINEAR || FLO || align=right | 1.5 km || |-id=823 bgcolor=#fefefe | 42823 || || — || July 14, 1999 ||