The 1500 - 3300 metre wide asteroid 2002 CY46 will make a close pass (63.8 lunar distances, 0.1640 AU), travelling at 24.04 km/second, to the Earth-Moon system on the 2nd September, 2010.
Asteroid (154029) 2002 CY46 Minimum distance: 0.164 AU Date of closest approach: 2010-09-02 09:36:00 UT Date of maximum brightness: 2010-09-03 11:00:00 UT Maximum brightness at closest approach: 14.5 V. Maximum angular velocity: 12.23"/min maximum date and time the angular velocity: 2010-09-02: 00 UT Absolute brightness: 16.2