km || |-id=309 bgcolor=#fefefe | 20309 Batalden || || || March 31, 1998 || Socorro || LINEAR || — || align=right | 3.8 km || |-id=310 bgcolor=#fefefe | 20310 || || — || March 31, 1998 || Socorro || LINEAR || — || align=right | 3.6 km || |-id=311 bgcolor=#E9E9E9 | 20311 Nancycarter || || || March 31, 1998 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=312 bgcolor=#fefefe | 20312 Danahy || || || March 31, 1998 || Socorro || LINEAR || V || align=right | 3.3 km || |-id=313 bgcolor=#E9E9E9 | 20313 Fredrikson || || || March 20, 1998 || Socorro || LINEAR || — || align=right | 5.1 km || |-id=314 bgcolor=#fefefe | 20314 Johnharrison || || || March 28, 1998 || Reedy Creek || J. Broughton || — || align=right | 3.8 km || |-id=315 bgcolor=#E9E9E9 | 20315 || || — || March 22, 1998 || Socorro || LINEAR || — || align=right | 4.0 km || |-id=316 bgcolor=#fefefe | 20316 Jerahalpern || || || March 28, 1998 || Socorro || LINEAR || NYS || align=right | 2.1 km || |-id=317 bgcolor=#E9E9E9 | 20317 Hendrickson || || || March 29, 1998 || Socorro || LINEAR || — || align=right | 3.9 km || |-id=318 bgcolor=#fefefe | 20318 || 1998 GZ || — || April 3, 1998 || Oohira || T. Urata || V || align=right | 1.8 km || |-id=319 bgcolor=#E9E9E9 | 20319 || || — || April 5, 1998 || Woomera || F. B. Zoltowski || — || align=right | 6.5 km || |-id=320 bgcolor=#E9E9E9 | 20320 || || — || April 2, 1998 || Socorro || LINEAR || — || align=right | 9.2 km || |-id=321 bgcolor=#fefefe | 20321 Lightdonovan || || || April 18, 1998 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=322 bgcolor=#fefefe | 20322 || || — || April 20, 1998 || Socorro || LINEAR || — || align=right | 3.4 km || |-id=323 bgcolor=#fefefe | 20323 Tomlindstom || || || April 20, 1998 || Socorro || LINEAR || — || align=right | 3.3 km || |-id=324 bgcolor=#E9E9E9 | 20324 Johnmahoney || || || April 20, 1998 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=325 bgcolor=#fefefe | 20325 Julianoey || || || April 21, 1998 || Kitt Peak || Spacewatch || moon || align=right | 4.9 km