The 4 - 8 metre wide asteroid 2009 TB made a close pass to the Earth (68047 km, 0.0005 AU) on the 30th September, 2009. The asteroid was discovered by the Mt. Lemmon Survey on the 2nd October, 2009.
Orbital elements: 2009 TB Earth MOID = 0.0005 AU Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC M 63.53915 (2000.0) P Q n 0.48579775 Peri. 314.73622 +0.79189047 +0.61051132 a 1.6026267 Node 7.67273 -0.52749879 +0.69510914 e 0.4307374 Incl. 5.85347 -0.30765974 +0.37960401 P 2.03 H 29.2 G 0.15 U 7