The apparently asteroidal object 2007 VA85 has the shortest known orbital period (7.6 yr) for a orbiting object with a retrograde orbit (i = 132.6 deg). 2007 VA85 was discovered by the LINEAR project.
2007 VA85 Earth MOID = 0.1426 AU Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC M 11.93932 (2000.0) P Q n 0.12966232 Peri. 23.79462 -0.14243749 +0.73232874 a 3.8659852 Node 115.20098 +0.74819669 -0.36077423 e 0.7182148 Incl. 132.61381 +0.64800716 +0.57752626 P 7.60 H 15.1 G 0.15 U 8