— || align=right | 3.3 km || |-id=131 bgcolor=#fefefe | 31131 || || — || September 28, 1997 || Xinglong || SCAP || FLO || align=right | 2.5 km || |-id=132 bgcolor=#fefefe | 31132 || || — || September 28, 1997 || Kitt Peak || Spacewatch || V || align=right | 2.2 km || |-id=133 bgcolor=#fefefe | 31133 || || — || September 27, 1997 || Caussols || ODAS || — || align=right | 5.7 km || |-id=134 bgcolor=#fefefe | 31134 Zurria || || || September 27, 1997 || Bologna || San Vittore Obs. || NYS || align=right | 1.9 km || |-id=135 bgcolor=#fefefe | 31135 || || — || September 30, 1997 || Kitt Peak || Spacewatch || — || align=right | 4.4 km || |-id=136 bgcolor=#fefefe | 31136 || || — || September 28, 1997 || Kitt Peak || Spacewatch || FLO || align=right | 3.1 km || |-id=137 bgcolor=#fefefe | 31137 || || — || September 30, 1997 || Xinglong || SCAP || NYS || align=right | 2.5 km || |-id=138 bgcolor=#fefefe | 31138 || || — || September 29, 1997 || Xinglong || SCAP || — || align=right | 2.2 km || |-id=139 bgcolor=#fefefe | 31139 Garnavich || || || September 25, 1997 || Ondřejov || Ondřejov Obs. || MAS || align=right | 2.0 km || |-id=140 bgcolor=#E9E9E9 | 31140 || || — || October 2, 1997 || Kitt Peak || Spacewatch || — || align=right | 2.0 km || |-id=141 bgcolor=#fefefe | 31141 || || — || October 3, 1997 || Xinglong || SCAP || NYS || align=right | 1.9 km || |-id=142 bgcolor=#fefefe | 31142 || || — || October 5, 1997 || Kitt Peak || Spacewatch || — || align=right | 5.1 km || |-id=143 bgcolor=#fefefe | 31143 || || — || October 8, 1997 || Xinglong || SCAP || — || align=right | 3.9 km || |-id=144 bgcolor=#fefefe | 31144 || || — || October 7, 1997 || Church Stretton || S. P. Laurie || — || align=right | 3.1 km || |-id=145 bgcolor=#fefefe | 31145 || 1997 UK || — || October 19, 1997 || Kleť || Kleť Obs. || — || align=right | 2.6 km || |-id=146 bgcolor=#fefefe | 31146 || || — || October 26, 1997 || Oizumi || T. Kobayashi || NYS || align=right | 3.5 km || |-id=147 bgcolor=#fefefe | 31147 Miriquidi || || || October 22,