December 2010 Close Approaches

UPCOMING CLOSE APPROACHES TO EARTH
1 AU = ~150 million kilometers
1 LD = Lunar Distance = ~384,000 kilometers

Object
Name
Close
Approach
Date
Miss
Distance
(AU)
Miss
Distance
(LD)
Estimated
Diameter*
H
(mag)
Relative
Velocity
(km/s)
(2010 XW) 2010-Dec-26 0.0510 19.8 30 m – 66 m 24.8 8.00
(2010 RR179) 2010-Dec-26 0.1565 60.9 160 m – 360 m 21.1 11.06
(2010 WR7) 2010-Dec-26 0.0684 26.6 52 m – 120 m 23.5 5.02
(1999 LS7) 2010-Dec-26 0.1447 56.3 190 m – 430 m 20.7 10.37
(2007 MK13) 2010-Dec-27 0.1914 74.5 280 m – 620 m 19.9 14.23
(2010 XN) 2010-Dec-27 0.0596 23.2 35 m – 77 m 24.4 8.53
(2010 XG3) 2010-Dec-28 0.1442 56.1 120 m – 260 m 21.8 5.20
(2010 AF3) 2010-Dec-28 0.1483 57.7 16 m – 36 m 26.1 6.41
(2010 PR10) 2010-Dec-30 0.1580 61.5 120 m – 260 m 21.8 4.74

* Diameter estimates based on the object’s absolute magnitude.