可以计算，不过得需要小龙给我提供详细的轨道根数才行。而且这么小直径估计掩星时间会很短，肉眼估计很难计时！
给一个一般精度的吧：
2004 XP14 Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 MPCM 325.18635 (2000.0) P Qn 0.91403322 Peri.273.68571 -0.80948000 +0.24452652 T = 2454238.58795 JDTa 1.0515455 Node 281.06863 +0.01052991 -0.90295950 q = 0.8849004e 0.1584764 Incl. 32.95118 -0.58705303 -0.35337081 Earth MOID = 0.00211 AUP 1.08 H 19.4 G 0.15 U 2From 974 observations at 2 oppositions, 2004-2006, mean residual 0".49.
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