Orbital elements: 2009 HU77 Earth MOID = 0.1217 AU Epoch 2009 June 18.0 TT = JDT 2455000.5 MPC M 21.69257 (2000.0) P Q n 0.44923253 Peri. 1.01979 -0.77429412 +0.58436817 a 1.6884515 Node 218.31890 -0.58334417 -0.80786535 e 0.3315599 Incl. 23.05974 -0.24531247 +0.07659908 P 2.19 H 23.4 G 0.15 U 8
The 55 - 120 metre wide asteroid 2009 HU77 made a close pass (47.1 Lunar Distances, 0.1209 AU), travelling at 12.47 km/s, to the Earth-Moon system on the 29th April 2009.