Orbital elements: P/2008 X1 (Hill) T 2009 May 7.973 TT MPC q 2.36169 (2000.0) P Q n 0.146295 Peri. 4.472 -0.522631 -0.802611 a 3.56710 Node 117.288 +0.771830 -0.588672 e 0.33793 Incl. 18.877 +0.362126 +0.096335 P 6.74 From 109 observations 2008 Dec. 4-26.