|| align=right | 2.8 km || |-id=570 bgcolor=#fefefe | 42570 || || — || December 20, 1996 || Xinglong || SCAP || — || align=right | 4.4 km || |-id=571 bgcolor=#fefefe | 42571 || || — || December 18, 1996 || Xinglong || SCAP || — || align=right | 4.1 km || |-id=572 bgcolor=#fefefe | 42572 || 1997 AO || — || January 2, 1997 || Oizumi || T. Kobayashi || — || align=right | 3.4 km || |-id=573 bgcolor=#E9E9E9 | 42573 || || — || January 2, 1997 || Oizumi || T. Kobayashi || EUN || align=right | 4.7 km || |-id=574 bgcolor=#E9E9E9 | 42574 || || — || January 4, 1997 || Oizumi || T. Kobayashi || — || align=right | 3.1 km || |-id=575 bgcolor=#E9E9E9 | 42575 || || — || January 6, 1997 || Oizumi || T. Kobayashi || — || align=right | 2.9 km || |-id=576 bgcolor=#E9E9E9 | 42576 || || — || January 7, 1997 || Oizumi || T. Kobayashi || — || align=right | 2.9 km || |-id=577 bgcolor=#fefefe | 42577 || || — || January 15, 1997 || Oizumi || T. Kobayashi || V || align=right | 2.9 km || |-id=578 bgcolor=#fefefe | 42578 || || — || January 31, 1997 || Kitt Peak || Spacewatch || NYS || align=right | 1.7 km || |-id=579 bgcolor=#E9E9E9 | 42579 || || — || January 31, 1997 || Prescott || P. G. Comba || — || align=right | 2.8 km || |-id=580 bgcolor=#E9E9E9 | 42580 || || — || February 3, 1997 || Kitt Peak || Spacewatch || — || align=right | 2.4 km || |-id=581 bgcolor=#E9E9E9 | 42581 || || — || February 7, 1997 || Xinglong || SCAP || — || align=right | 3.1 km || |-id=582 bgcolor=#E9E9E9 | 42582 || || — || March 2, 1997 || Kitt Peak || Spacewatch || — || align=right | 4.1 km || |-id=583 bgcolor=#E9E9E9 | 42583 || || — || March 4, 1997 || Socorro || LINEAR || — || align=right | 6.0 km || |-id=584 bgcolor=#d6d6d6 | 42584 || || — || March 12, 1997 || La Silla || E. W. Elst || — || align=right | 7.1 km || |-id=585 bgcolor=#E9E9E9 | 42585 Pheidippides || || || March 30, 1997 || Colleverde || V. S. Casulli || — || align=right | 3.1 km || |-id=586 bgcolor=#E9E9E9 | 42586 || || — ||