— || align=right | 1.9 km || |-id=580 bgcolor=#fefefe | 52580 || 1997 NO || — || July 1, 1997 || Kitt Peak || Spacewatch || V || align=right | 1.8 km || |-id=581 bgcolor=#fefefe | 52581 || || — || July 3, 1997 || Farra d'Isonzo || Farra d'Isonzo || NYS || align=right | 2.4 km || |-id=582 bgcolor=#E9E9E9 | 52582 || || — || July 9, 1997 || Kitt Peak || Spacewatch || — || align=right | 2.4 km || |-id=583 bgcolor=#E9E9E9 | 52583 || || — || July 2, 1997 || Kitt Peak || Spacewatch || — || align=right | 3.1 km || |-id=584 bgcolor=#fefefe | 52584 || || — || July 30, 1997 || Farra d'Isonzo || Farra d'Isonzo || — || align=right | 2.5 km || |-id=585 bgcolor=#E9E9E9 | 52585 || || — || July 29, 1997 || Bédoin || P. Antonini || — || align=right | 2.8 km || |-id=586 bgcolor=#fefefe | 52586 || 1997 PB || — || August 1, 1997 || Haleakala || NEAT || — || align=right | 3.6 km || |-id=587 bgcolor=#fefefe | 52587 || 1997 PD || — || August 1, 1997 || Haleakala || NEAT || — || align=right | 6.1 km || |-id=588 bgcolor=#fefefe | 52588 || || — || August 3, 1997 || Xinglong || SCAP || — || align=right | 2.4 km || |-id=589 bgcolor=#fefefe | 52589 Montviloff || || || August 12, 1997 || Pises || Pises Obs. || — || align=right | 2.0 km || |-id=590 bgcolor=#fefefe | 52590 || || — || August 11, 1997 || Xinglong || SCAP || NYS || align=right | 2.1 km || |-id=591 bgcolor=#E9E9E9 | 52591 || 1997 QD || — || August 22, 1997 || Kleť || Z. Moravec || — || align=right | 2.9 km || |-id=592 bgcolor=#E9E9E9 | 52592 || || — || August 27, 1997 || Nachi-Katsuura || Y. Shimizu, T. Urata || — || align=right | 6.5 km || |-id=593 bgcolor=#d6d6d6 | 52593 || || — || August 27, 1997 || Nachi-Katsuura || Y. Shimizu, T. Urata || — || align=right | 5.7 km || |-id=594 bgcolor=#fefefe | 52594 || || — || September 5, 1997 || Rand || G. R. Viscome || — || align=right | 2.3 km || |-id=595 bgcolor=#E9E9E9 | 52595 || || — || September 1, 1997 || Caussols || ODAS || — || align=right | 3.5 km