|| — || September 26, 1998 || Socorro || LINEAR || JUN || align=right | 2.4 km || |-id=137 bgcolor=#E9E9E9 | 49137 || || — || September 26, 1998 || Socorro || LINEAR || — || align=right | 5.7 km || |-id=138 bgcolor=#fefefe | 49138 || || — || September 20, 1998 || Kitt Peak || Spacewatch || — || align=right | 2.3 km || |-id=139 bgcolor=#fefefe | 49139 || || — || September 21, 1998 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=140 bgcolor=#fefefe | 49140 || || — || September 25, 1998 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=141 bgcolor=#fefefe | 49141 || || — || September 25, 1998 || Kitt Peak || Spacewatch || — || align=right | 3.5 km || |-id=142 bgcolor=#fefefe | 49142 || || — || September 23, 1998 || Farra d'Isonzo || Farra d'Isonzo || — || align=right | 1.8 km || |-id=143 bgcolor=#fefefe | 49143 || || — || September 23, 1998 || Xinglong || SCAP || — || align=right | 2.6 km || |-id=144 bgcolor=#fefefe | 49144 || || — || September 25, 1998 || Kitt Peak || Spacewatch || — || align=right | 2.1 km || |-id=145 bgcolor=#fefefe | 49145 || || — || September 25, 1998 || Kitt Peak || Spacewatch || — || align=right | 2.4 km || |-id=146 bgcolor=#E9E9E9 | 49146 || || — || September 27, 1998 || Kitt Peak || Spacewatch || — || align=right | 5.6 km || |-id=147 bgcolor=#E9E9E9 | 49147 || || — || September 27, 1998 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=148 bgcolor=#fefefe | 49148 || || — || September 23, 1998 || Višnjan Observatory || Višnjan Obs. || — || align=right | 1.8 km || |-id=149 bgcolor=#fefefe | 49149 || || — || September 24, 1998 || Višnjan Observatory || Višnjan Obs. || NYS || align=right | 1.7 km || |-id=150 bgcolor=#fefefe | 49150 || || — || September 26, 1998 || Kitt Peak || Spacewatch || ERI || align=right | 5.5 km || |-id=151 bgcolor=#E9E9E9 | 49151 || || — || September 27, 1998 || Kitt Peak || Spacewatch || — || align=right | 2.6 km || |-id=152 bgcolor=#fefefe | 49152 || || — || September 29, 1998 || Kitt Peak || Spacewatch || — || align=right |