(54509) YORP = 2000 PH
5
26 images of 6 second exposure, taken 23:47 27 July – 00:13 28 July 2003
Ephemeris brightness mag +15.7, motion 35”/min
. Field 18’x18’
0.3-m Schmidt-Cassegrain & CCD.
Playback 300x real-time