Orbital elements: 2011 DY4 PHA, Earth MOID = 0.0082 AU Epoch 2011 Feb. 8.0 TT = JDT 2455600.5 MPC M 16.26494 (2000.0) P Q n 0.39144274 Peri. 81.28304 +0.71801350 -0.69328113 a 1.8507903 Node 322.56943 +0.59193317 +0.65491961 e 0.7475434 Incl. 5.83478 +0.36615807 +0.30073505 P 2.52 H 21.9 G 0.15 From 20 observations 2011 Feb. 25.