|-id=586 bgcolor=#fefefe | 18586 || || — || December 24, 1997 || Oizumi || T. Kobayashi || — || align=right | 2.3 km || |-id=587 bgcolor=#fefefe | 18587 || || — || December 25, 1997 || Oizumi || T. Kobayashi || — || align=right | 2.8 km || |-id=588 bgcolor=#fefefe | 18588 || || — || December 25, 1997 || Haleakala || NEAT || V || align=right | 2.5 km || |-id=589 bgcolor=#fefefe | 18589 || || — || December 28, 1997 || Oizumi || T. Kobayashi || — || align=right | 2.2 km || |-id=590 bgcolor=#fefefe | 18590 || || — || December 28, 1997 || Oizumi || T. Kobayashi || FLO || align=right | 5.0 km || |-id=591 bgcolor=#E9E9E9 | 18591 || || — || December 30, 1997 || Oizumi || T. Kobayashi || — || align=right | 5.2 km || |-id=592 bgcolor=#fefefe | 18592 || || — || December 24, 1997 || Xinglong || SCAP || — || align=right | 3.2 km || |-id=593 bgcolor=#fefefe | 18593 Wangzhongcheng || || || January 5, 1998 || Xinglong || SCAP || — || align=right | 5.2 km || |-id=594 bgcolor=#fefefe | 18594 || 1998 BJ || — || January 16, 1998 || Nachi-Katsuura || Y. Shimizu, T. Urata || — || align=right | 2.5 km || |-id=595 bgcolor=#fefefe | 18595 || || — || January 19, 1998 || Oizumi || T. Kobayashi || ERI || align=right | 12 km || |-id=596 bgcolor=#fefefe | 18596 Superbus || || || January 21, 1998 || Colleverde || V. S. Casulli || NYS || align=right | 3.3 km || |-id=597 bgcolor=#fefefe | 18597 || || — || January 25, 1998 || Oizumi || T. Kobayashi || — || align=right | 3.0 km || |-id=598 bgcolor=#E9E9E9 | 18598 || || — || January 25, 1998 || Oizumi || T. Kobayashi || — || align=right | 8.9 km || |-id=599 bgcolor=#fefefe | 18599 || || — || January 25, 1998 || Oizumi || T. Kobayashi || NYS || align=right | 2.8 km || |-id=600 bgcolor=#E9E9E9 | 18600 || || — || January 24, 1998 || Woomera || F. B. Zoltowski || — || align=right | 4.2 km || |} 18601–18700 |-bgcolor=#fefefe | 18601 Zafar || || || January 23, 1998 || Socorro || LINEAR || NYS || align=right | 3.0 km || |-id=602 bgcolor=#fefefe | 18602 Lagillespie || || || January 23, 1998 || Socorro