| 25020 Tinyacheng | August 17, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 25021 Nischaykumar | August 17, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 25024 Calebmcgraw | August 17, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 25025 Joshuavo | August 17, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21562 Chrismessick | August 19, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21554 Leechaohsi | August 24, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21555 Levary | August 24, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21558 Alisonliu | August 24, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 22692 Carfrekahl | August 26, 1998 | Eric Walter Elst | asteroid |
| 14575 Jamesblanc | August 28, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 11190 Jennibell | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 13302 Kezmoh | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 13319 Michaelmi | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 13320 Jessicamiles | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 13729 Nicolewen | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 13730 Willis | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 13733 Dylanyoung | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 13734 Buklad | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 14582 Conlin | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 14583 Lester | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 14584 Lawson | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 20415 Amandalu | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 20416 Mansour | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21571 Naegeli | September 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 59000 Beiguan | September 17, 1998 | Beijing Schmidt CCD Asteroid Program | asteroid |
| 11384 Sartre | September 18, 1998 | Eric Walter Elst | asteroid |
| 11385 Beauvoir | September 20, 1998 | Eric Walter Elst | asteroid |
| 11379 Flaubert | September 21, 1998 | Eric Walter Elst | asteroid |
| 13760 Rodriguez | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 13761 Dorristaylor | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 14154 Negrelli | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 14155 Cibronen | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 15021 Alexkardon | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21583 Caropietsch | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21584 Polepeddi | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21585 Polmear | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 21587 Christopynn | September 26, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 14172 Amanolivere | November 10, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 15031 Lemus | November 10, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 15032 Alexlevin | November 10, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 15434 Mittal | November 10, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 29643 Plücker | November 15, 1998 | Paul G. Comba | asteroid |
| 13380 Yamamohammed | November 21, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16973 Gaspari | November 23, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| Gliese 86 b | November 24, 1998 | Michel Mayor | exoplanet |
| 15452 Ibramohammed | December 14, 1998 | Lincoln Near-Earth Asteroid Research | asteroid |
| 28196 Szeged | December 15, 1998 | Krisztián Sárneczky | asteroid |
| 15476 Narendra | January 18, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 15083 Tianhuili | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 15088 Licitra | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16013 Schmidgall | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16014 Sinha | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16015 Snell | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16023 Alisonyee | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16996 Dahir | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16998 Estelleweber | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| Kampung Gual Mesa | February 10, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16017 Street | February 12, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16019 Edwardsu | February 12, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |
| 16021 Caseyvaughn | February 12, 1999 | Lincoln Near-Earth Asteroid Research | asteroid |