| 25 km || |-id=918 bgcolor=#d6d6d6 | 12918 || || — || October 29, 1998 || Višnjan Observatory || K. Korlević || EOS || align=right | 14 km || |-id=919 bgcolor=#fefefe | 12919 Tomjohnson || || || November 11, 1998 || Catalina || CSS || — || align=right | 4.9 km || |-id=920 bgcolor=#d6d6d6 | 12920 || || — || November 10, 1998 || Socorro || LINEAR || 3:2 || align=right | 35 km || |-id=921 bgcolor=#C2FFFF | 12921 || || — || November 20, 1998 || Nachi-Katsuura || Y. Shimizu, T. Urata || L4 || align=right | 32 km || |-id=922 bgcolor=#d6d6d6 | 12922 || || — || November 27, 1998 || Woomera || F. B. Zoltowski || — || align=right | 16 km || |-id=923 bgcolor=#FFC2E0 | 12923 Zephyr || || || April 11, 1999 || Anderson Mesa || LONEOS || APO +1kmPHA || align=right | 2.1 km || |-id=924 bgcolor=#fefefe | 12924 || || — || September 7, 1999 || Socorro || LINEAR || — || align=right | 2.3 km || |-id=925 bgcolor=#fefefe | 12925 || || — || September 29, 1999 || Višnjan Observatory || Višnjan Obs. || — || align=right | 3.9 km || |-id=926 bgcolor=#E9E9E9 | 12926 Brianmason || || || September 27, 1999 || Takapuna || J. L. Schiff, C. J. Schiff || — || align=right | 10 km || |-id=927 bgcolor=#fefefe | 12927 Pinocchio || || || September 30, 1999 || San Marcello || M. Tombelli, L. Tesi || FLO || align=right | 1.7 km || |-id=928 bgcolor=#E9E9E9 | 12928 Nicolapozio || || || September 30, 1999 || San Marcello || A. Boattini, G. Forti || — || align=right | 5.4 km || |-id=929 bgcolor=#C2FFFF | 12929 Periboea || || || October 2, 1999 || Fountain Hills || C. W. Juels || L5 || align=right | 54 km || |-id=930 bgcolor=#d6d6d6 | 12930 || || — || October 2, 1999 || Višnjan Observatory || K. Korlević, M. Jurić || THM || align=right | 9.4 km || |-id=931 bgcolor=#E9E9E9 | 12931 Mario || || || October 7, 1999 || Gnosca || S. Sposetti || — || align=right | 4.6 km || |-id=932 bgcolor=#fefefe | 12932 Conedera || || || October 10, 1999 || Gnosca || S. Sposetti || NYS || align=right | 3.0 km || |-id=933 bgcolor=#fefefe | 12933 Muzzonigro || || || October 14, 1999 || Farra d'Isonzo || Farra d'Isonzo ||