List of asteroids/28301–28400

|| February 12, 1999 || Socorro || LINEAR
-
28303 - || || February 12, 1999 || Socorro || LINEAR
-
28306 - || || February 12, 1999 || Socorro || LINEAR
-
28309 - || || February 10, 1999 || Socorro || LINEAR
-
28312 - || || February 10, 1999 || Socorro || LINEAR
-
28315 - || || February 12, 1999 || Socorro || LINEAR
-
28318 - || || February 12, 1999 || Socorro || LINEAR
-
28321 - || || February 12, 1999 || Socorro || LINEAR
-
28324 - || || February 11, 1999 || Socorro || LINEAR
-
28327 - || || February 13, 1999 || Kitt Peak || Spacewatch
-
28330 - || || February 18, 1999 || Haleakala || NEAT
-
28333 - || || February 19, 1999 || Oizumi || T. Kobayashi
-
28336 - || || March 10, 1999 || Kitt Peak || Spacewatch
-
28339 - || || March 13, 1999 || Goodricke-Pigott || R. A. Tucker
-
28342 - || || March 22, 1999 || Anderson Mesa || LONEOS
-
28345 - || || March 19, 1999 || Socorro || LINEAR
-
28348 - || || March 19, 1999 || Socorro || LINEAR
-
28351 - || || March 19, 1999 || Socorro || LINEAR
-
28354 - || || March 20, 1999 || Socorro || LINEAR
-
28357 - || || March 20, 1999 || Socorro || LINEAR
-
28360 - || || April 7, 1999 || Nachi-Katsuura || Y. Shimizu, T. Urata
-
28363 - || || April 15, 1999 || Socorro || LINEAR
-
28366 - || || April 15, 1999 || Socorro || LINEAR
-
28369 - || || April 12, 1999 || Socorro || LINEAR
-
28372 - || 1999 HU || April 18, 1999 || Woomera || F. B. Zoltowski
-
28373 - || || May 10, 1999 || Socorro || LINEAR
-
28377 - || || May 10, 1999 || Socorro || LINEAR
-
28380 - || || May 10, 1999 || Socorro || LINEAR
-
28383 - || || May 12, 1999 || Socorro || LINEAR
-
28386 - || || May 12, 1999 || Socorro || LINEAR
-
28389 - || || June 9, 1999 || Socorro || LINEAR
-
28392 - || || September 13, 1999 || Prescott || P. G. Comba
-
28395 - || || September 7, 1999 || Socorro || LINEAR
-
28398 - || || September 9, 1999 || Socorro || LINEAR
-List of asteroids/Helper|283