2010 WC9
2018 approach
On 15 May 2018, 22:05 UT, the asteroid approached Earth at just over 0.5 LD, the closest approach of this asteroid in nearly 300 years.

2010 WC9

Section Title: 2018 approach
Table Section Text: On 15 May 2018, 22:05 UT, the asteroid approached Earth at just over 0.5 LD, the closest approach of this asteroid in nearly 300 years.

NEO	Date	Approach distance in lunar distances	Abs. mag (H)	Diameter (C) (m)	Ref (D)

Nominal(B)	Minimum	Maximum

(152680) 1998 KJ9	1914-12-31	0.606	0.604	0.608	19.4	279–900	data

(458732) 2011 MD5	1918-09-17	0.911	0.909	0.913	17.9	556–1795	data

(163132) 2002 CU11	1925-08-30	0.903	0.901	0.905	18.5	443–477	data

2010 VB1	1936-01-06	0.553	0.553	0.553	23.2	48–156	data

2002 JE9	1971-04-11	0.616	0.587	0.651	21.2	122–393	data

2013 UG1	1976-10-17	0.854	0.853	0.855	22.3	73–237	data

2012 TY52	1981-11-04	0.818	0.813	0.823	21.4	111–358	data

2012 UE34	1991-04-08	0.847	0.676	1.027	23.3	46–149	data

2017 VW13	2001-11-08	0.454	0.318	3.436	20.7	153–494	data

2002 MN	2002-06-14	0.312	0.312	0.312	23.6	40–130	data

(308635) 2005 YU55	2011-11-08	0.845	0.845	0.845	21.9	320–400	data

2011 XC2	2011-12-03	0.904	0.901	0.907	23.2	48–156	data

2018 AH	2018-01-02	0.773	0.772	0.773	22.5	67–216	data

2018 GE3	2018-04-15	0.502	0.501	0.503	23.7	35–135	data

2010 WC9	2018-05-15	0.528	0.528	0.528	23.5	42–136	data

(153814) 2001 WN5	2028-06-26	0.647	0.647	0.647	18.2	921–943	data

99942 Apophis	2029-04-13	0.0981	0.0963	0.1000	19.7	310–340	data

2012 UE34	2041-04-08	0.283	0.274	0.354	23.3	46–149	data

2015 XJ351	2047-06-06	0.789	0.251	38.135	22.4	70–226	data

2007 TV18	2058-09-22	0.918	0.917	0.919	23.8	37–119	data

2005 WY55	2065-05-28	0.865	0.856	0.874	20.7	153–494	data

(308635) 2005 YU55	2075-11-08	0.592	0.499	0.752	21.9	320–400	data

(456938) 2007 YV56	2101-01-02	0.621	0.615	0.628	21.0	133–431	data

2007 UW1	2129-10-19	0.239	0.155	0.381	22.7	61–197	data

101955 Bennu	2135-09-25	0.780	0.308	1.406	20.19	472–512	data

(153201) 2000 WO107	2140-12-01	0.634	0.631	0.637	19.3	427–593	data

2009 DO111	2146-03-23	0.896	0.744	1.288	22.8	58–188	data

(85640) 1998 OX4	2148-01-22	0.771	0.770	0.771	21.1	127–411	data

2007 UY1	2156-02-13	0.685	0.652	6.856	22.9	56–179	data

2011 LT17	2156-12-16	0.998	0.955	1.215	21.6	101–327	data

(A) This list includes near-Earth approaches of less than 1 lunar distances (LD) of objects with H brighter than 24. (B) Nominal geocentric distance from the center of Earth to the center of the object (Earth has a radius of approximately 6,400 km).

Sentence(s)

2010 WC9 has an absolute magnitude of 23.5

final_sentence: 2010 WC9 has an absolute magnitude of 23.5