|| — || October 3, 1999 || Catalina || CSS || — || align=right | 4.9 km || |-id=303 bgcolor=#d6d6d6 | 150303 || || — || October 9, 1999 || Catalina || CSS || — || align=right | 3.8 km || |-id=304 bgcolor=#E9E9E9 | 150304 || || — || October 9, 1999 || Socorro || LINEAR || — || align=right | 5.0 km || |-id=305 bgcolor=#d6d6d6 | 150305 || || — || October 7, 1999 || Socorro || LINEAR || — || align=right | 5.7 km || |-id=306 bgcolor=#d6d6d6 | 150306 || || — || October 1, 1999 || Catalina || CSS || — || align=right | 5.6 km || |-id=307 bgcolor=#d6d6d6 | 150307 || || — || October 4, 1999 || Kitt Peak || Spacewatch || — || align=right | 2.8 km || |-id=308 bgcolor=#fefefe | 150308 || || — || October 10, 1999 || Socorro || LINEAR || — || align=right | 1.1 km || |-id=309 bgcolor=#fefefe | 150309 || || — || October 19, 1999 || Ondřejov || P. Pravec, P. Kušnirák || — || align=right data-sort-value="0.94" | 940 m || |-id=310 bgcolor=#d6d6d6 | 150310 || || — || October 31, 1999 || Kitt Peak || Spacewatch || — || align=right | 7.5 km || |-id=311 bgcolor=#fefefe | 150311 || || — || October 30, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.2 km || |-id=312 bgcolor=#d6d6d6 | 150312 || || — || October 31, 1999 || Kitt Peak || Spacewatch || — || align=right | 3.7 km || |-id=313 bgcolor=#fefefe | 150313 || || — || October 31, 1999 || Kitt Peak || Spacewatch || — || align=right data-sort-value="0.82" | 820 m || |-id=314 bgcolor=#d6d6d6 | 150314 || || — || October 19, 1999 || Kitt Peak || Spacewatch || — || align=right | 3.5 km || |-id=315 bgcolor=#d6d6d6 | 150315 || || — || October 30, 1999 || Kitt Peak || Spacewatch || CHA || align=right | 3.4 km || |-id=316 bgcolor=#fefefe | 150316 Ivaniosifovich || || || November 1, 1999 || Uccle || E. W. Elst, S. I. Ipatov || — || align=right | 1.4 km || |-id=317 bgcolor=#fefefe | 150317 || || — || November 1, 1999 || Kitt Peak || Spacewatch || — || align=right | 1.1 km || |-id=318 bgcolor=#d6d6d6 | 150318 || || — || November 4, 1999 || Kitt Peak || Spacewatch || THM ||