Spacewatch || NAE || align=right | 6.5 km || |-id=472 bgcolor=#d6d6d6 | 49472 || || — || January 14, 1999 || Kitt Peak || Spacewatch || — || align=right | 6.4 km || |-id=473 bgcolor=#d6d6d6 | 49473 || || — || January 15, 1999 || Kitt Peak || Spacewatch || — || align=right | 5.1 km || |-id=474 bgcolor=#d6d6d6 | 49474 || 1999 BL || — || January 16, 1999 || Oizumi || T. Kobayashi || — || align=right | 9.0 km || |-id=475 bgcolor=#E9E9E9 | 49475 || || — || January 19, 1999 || Črni Vrh || Črni Vrh || RAF || align=right | 6.0 km || |-id=476 bgcolor=#fefefe | 49476 || || — || January 21, 1999 || Višnjan Observatory || K. Korlević || V || align=right | 2.2 km || |-id=477 bgcolor=#fefefe | 49477 || || — || January 21, 1999 || Višnjan Observatory || K. Korlević || NYS || align=right | 2.9 km || |-id=478 bgcolor=#d6d6d6 | 49478 || || — || January 22, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 7.5 km || |-id=479 bgcolor=#fefefe | 49479 || || — || January 22, 1999 || Višnjan Observatory || K. Korlević || V || align=right | 1.8 km || |-id=480 bgcolor=#d6d6d6 | 49480 || || — || January 23, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 9.0 km || |-id=481 bgcolor=#d6d6d6 | 49481 Gisellarubini || || || January 24, 1999 || Monte Agliale || M. M. M. Santangelo || THM || align=right | 7.0 km || |-id=482 bgcolor=#d6d6d6 | 49482 || || — || January 24, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 7.3 km || |-id=483 bgcolor=#E9E9E9 | 49483 || || — || January 25, 1999 || Višnjan Observatory || K. Korlević || — || align=right | 13 km || |-id=484 bgcolor=#E9E9E9 | 49484 || || — || January 27, 1999 || High Point || D. K. Chesney || ADE || align=right | 9.6 km || |-id=485 bgcolor=#d6d6d6 | 49485 || || — || January 16, 1999 || Socorro || LINEAR || — || align=right | 5.8 km || |-id=486 bgcolor=#E9E9E9 | 49486 || || — || January 16, 1999 || Socorro || LINEAR || — || align=right | 3.2 km || |-id=487 bgcolor=#E9E9E9 | 49487 || || — || January 18, 1999 || Socorro || LINEAR || — ||