Unusual asteroid: 1999 XS16

Actually measured positions:

     J99X16S FC2001 06 19.11156 21 52 39.93 -23 22 25.4          21.5 V d1613493
     J99X16S FC2001 06 19.12233 21 52 39.87 -23 22 28.8                 d1613493
     J99X16S FC2001 06 20.10919 21 52 25.06 -23 27 35.5                 d1613493
     J99X16S FC2001 06 20.12135 21 52 24.81 -23 27 40.4                 d1613493

Images:


composite of 2 images.
Exposure 2*160 s = 320 s at 20010619

composite of 2 images.
Exposure 2*180 s = 360 s at 20010620




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