1.2 km || |-id=414 bgcolor=#fefefe | 178414 || || — || September 14, 1998 || Socorro || LINEAR || NYS || align=right | 1.1 km || |-id=415 bgcolor=#fefefe | 178415 || || — || September 14, 1998 || Socorro || LINEAR || NYS || align=right | 1.5 km || |-id=416 bgcolor=#fefefe | 178416 || || — || September 14, 1998 || Socorro || LINEAR || — || align=right | 1.5 km || |-id=417 bgcolor=#E9E9E9 | 178417 || || — || September 14, 1998 || Socorro || LINEAR || MIT || align=right | 2.4 km || |-id=418 bgcolor=#fefefe | 178418 || || — || September 14, 1998 || Socorro || LINEAR || NYS || align=right | 1.2 km || |-id=419 bgcolor=#fefefe | 178419 || || — || September 14, 1998 || Socorro || LINEAR || V || align=right | 1.5 km || |-id=420 bgcolor=#E9E9E9 | 178420 || || — || September 20, 1998 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=421 bgcolor=#fefefe | 178421 || || — || September 19, 1998 || Socorro || LINEAR || H || align=right | 1.1 km || |-id=422 bgcolor=#fefefe | 178422 || || — || September 26, 1998 || Socorro || LINEAR || H || align=right | 1.4 km || |-id=423 bgcolor=#fefefe | 178423 || || — || September 20, 1998 || Kitt Peak || Spacewatch || — || align=right | 1.5 km || |-id=424 bgcolor=#fefefe | 178424 || || — || September 26, 1998 || Socorro || LINEAR || — || align=right | 1.9 km || |-id=425 bgcolor=#fefefe | 178425 || || — || September 26, 1998 || Socorro || LINEAR || — || align=right | 1.4 km || |-id=426 bgcolor=#fefefe | 178426 || || — || September 26, 1998 || Socorro || LINEAR || MAS || align=right | 1.3 km || |-id=427 bgcolor=#fefefe | 178427 || || — || September 26, 1998 || Socorro || LINEAR || V || align=right | 1.2 km || |-id=428 bgcolor=#fefefe | 178428 || || — || September 26, 1998 || Socorro || LINEAR || — || align=right | 1.6 km || |-id=429 bgcolor=#E9E9E9 | 178429 || || — || September 18, 1998 || La Silla || E. W. Elst || — || align=right | 3.1 km || |-id=430 bgcolor=#E9E9E9 | 178430 || || — || September 16, 1998 || Anderson Mesa || LONEOS || — || align=right | 1.5 km ||