Orbital elements: 2009 CS1 Earth MOID = 0.0746 AU Epoch 2009 Jan. 29.0 TT = JDT 2454860.5 MPC M 312.62649 (2000.0) P Q n 0.52114251 Peri. 250.33947 -0.73420783 +0.66387175 a 1.5293201 Node 330.71431 -0.46116949 -0.64134766 e 0.4182259 Incl. 16.89654 -0.49825853 -0.38463941 P 1.89 H 20.9 G 0.15 From 18 observations 2009 Feb. 3-4.