The 23 - 51 metre wide asteroid 2008 YC3 will make a close pass (67.0 lunar distances, 0.1721 AU), travelling at 8.78 km/second, to the Earth-Moon system on the 29th June, 2011 @ 05:27 UT ±00:01.
The 23 - 51 metre wide asteroid 2008 YC3 will make a close pass (12.2 Lunar Distances, 0.0313 AU), travelling at 6.53 km/s, to the Earth-Moon system on the 24th June, 2010.
The 23 - 51 metre wide asteroid 2008 YC3 will make a close pass (54.9 Lunar Distances, 0.1412 AU), travelling at 6.91 km/s, to the Earth-Moon system on the 20th December, 2009.
The 23 - 51 metre wide asteroid 2008 YC3 will make a close pass (34.5 Lunar Distances, 0.0886 AU), travelling at 6.30 km/s, to the Earth-Moon system on the 20th June, 2009.