2005 WY55

is a near-Earth Asteroid belonging to the Apollo group. It was first discovered on 26 November 2005. The asteroid will pass within 330,000 km from the Earth on 28 May 2065. It has an absolute magnitude of 20.68. It is estimated to be 190 to 250 meters in diameter. It was removed from the Sentry Risk Table on 1 July 2006.

Asteroid	Date	Nominal approach distance	Min. distance	Max. distance	Absolute magnitude	Size
	1914-12-31	0.606	0.604	0.608	19.4	279–900
	1918-09-17	0.911	0.909	0.913	17.9	556–1795
	1925-08-30	0.903	0.901	0.905	18.5	443–477
	2001-11-08	0.454	0.318	3.436	20.7	153–494
	2028-06-26	0.647	0.647	0.647	18.2	921–943
99942 Apophis	2029-04-13	0.0981	0.0963	0.1000	19.7	310–340
	2065-05-28	0.865	0.856	0.874	20.7	153–494
101955 Bennu	2135-09-25	0.780	0.308	1.406	20.19	472–512
	2140-12-01	0.634	0.631	0.637	19.3	427–593