October 18, 2003 || Anderson Mesa || LONEOS || — || align=right | 4.5 km || |-id=991 bgcolor=#E9E9E9 | 163991 || || — || October 18, 2003 || Kitt Peak || Spacewatch || — || align=right | 1.8 km || |-id=992 bgcolor=#E9E9E9 | 163992 || || — || October 18, 2003 || Palomar || NEAT || WIT || align=right | 1.7 km || |-id=993 bgcolor=#E9E9E9 | 163993 || || — || October 19, 2003 || Kitt Peak || Spacewatch || — || align=right | 4.0 km || |-id=994 bgcolor=#E9E9E9 | 163994 || || — || October 20, 2003 || Socorro || LINEAR || — || align=right | 2.1 km || |-id=995 bgcolor=#E9E9E9 | 163995 || || — || October 20, 2003 || Kitt Peak || Spacewatch || — || align=right | 3.2 km || |-id=996 bgcolor=#E9E9E9 | 163996 || || — || October 21, 2003 || Kitt Peak || Spacewatch || — || align=right | 2.8 km || |-id=997 bgcolor=#E9E9E9 | 163997 || || — || October 21, 2003 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=998 bgcolor=#E9E9E9 | 163998 || || — || October 21, 2003 || Socorro || LINEAR || — || align=right | 3.8 km || |-id=999 bgcolor=#d6d6d6 | 163999 || || — || October 21, 2003 || Kitt Peak || Spacewatch || KOR || align=right | 1.7 km || |-id=000 bgcolor=#E9E9E9 | 164000 || || — || October 22, 2003 || Socorro || LINEAR || — || align=right | 2.4 km || |} References External links Discovery Circumstances: Numbered Minor Planets (160001)–(165000) (IAU Minor Planet Center) 0163