LINEAR || V || align=right | 2.9 km || |-id=585 bgcolor=#E9E9E9 | 31585 || || — || March 19, 1999 || Socorro || LINEAR || ADE || align=right | 9.0 km || |-id=586 bgcolor=#d6d6d6 | 31586 || || — || March 19, 1999 || Socorro || LINEAR || — || align=right | 6.9 km || |-id=587 bgcolor=#fefefe | 31587 || || — || March 23, 1999 || Višnjan Observatory || K. Korlević || NYS || align=right | 2.8 km || |-id=588 bgcolor=#E9E9E9 | 31588 Harrypaul || || || March 19, 1999 || Socorro || LINEAR || HOF || align=right | 5.7 km || |-id=589 bgcolor=#d6d6d6 | 31589 || || — || March 19, 1999 || Socorro || LINEAR || — || align=right | 9.0 km || |-id=590 bgcolor=#E9E9E9 | 31590 || || — || March 19, 1999 || Socorro || LINEAR || — || align=right | 7.4 km || |-id=591 bgcolor=#d6d6d6 | 31591 || || — || March 19, 1999 || Socorro || LINEAR || THM || align=right | 7.6 km || |-id=592 bgcolor=#fefefe | 31592 Jacobplaut || || || March 20, 1999 || Socorro || LINEAR || — || align=right | 3.5 km || |-id=593 bgcolor=#fefefe | 31593 Romapradhan || || || March 20, 1999 || Socorro || LINEAR || — || align=right | 2.4 km || |-id=594 bgcolor=#fefefe | 31594 Drewprevost || || || March 20, 1999 || Socorro || LINEAR || — || align=right | 5.0 km || |-id=595 bgcolor=#fefefe | 31595 Noahpritt || || || March 20, 1999 || Socorro || LINEAR || — || align=right | 2.9 km || |-id=596 bgcolor=#fefefe | 31596 Ragavender || || || March 20, 1999 || Socorro || LINEAR || MAS || align=right | 2.3 km || |-id=597 bgcolor=#fefefe | 31597 Allisonmarie || || || March 20, 1999 || Socorro || LINEAR || V || align=right | 2.3 km || |-id=598 bgcolor=#fefefe | 31598 Danielrudin || || || March 20, 1999 || Socorro || LINEAR || V || align=right | 2.8 km || |-id=599 bgcolor=#fefefe | 31599 Chloesherry || || || March 20, 1999 || Socorro || LINEAR || — || align=right | 4.1 km || |-id=600 bgcolor=#E9E9E9 | 31600 Somasundaram || || || March 20, 1999 || Socorro || LINEAR || MRX || align=right | 3.0 km || |} 31601–31700 |-bgcolor=#E9E9E9 | 31601 || 1999 GF || — || April 3, 1999 || Višnjan Observatory || K. Korlević ||