The 150 - 330 metre wide asteroid 1994 CJ1 will make a close pass (35.3 lunar distances, 0.0907 AU), travelling at 7.63 km/second, to the Earth-Moon system on the 28th June 2014 @ 02:19 UT ±00:01.
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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2014 06 27 14 15.35 +15 29.8 0.0908 1.049 108.3 67.0 18.6 2014 06 28 14 26.07 +14 30.5 0.0907 1.051 110.2 65.2 18.5 2014 06 29 14 36.77 +13 28.9 0.0908 1.054 112.1 63.4 18.5 2014 06 30 14 47.39 +12 25.2 0.0911 1.057 114.0 61.5 18.4 2014 07 01 14 57.89 +11 19.9 0.0916 1.060 115.9 59.6 18.4 2014 07 02 15 08.25 +10 13.5 0.0923 1.063 117.8 57.8 18.3 2014 07 03 15 18.43 +09 06.4 0.0932 1.066 119.7 55.9 18.3 2014 07 04 15 28.40 +07 59.1 0.0943 1.069 121.6 54.1 18.3 2014 07 05 15 38.14 +06 51.9 0.0956 1.072 123.4 52.3 18.3 2014 07 06 15 47.62 +05 45.4 0.0971 1.076 125.2 50.6 18.3 2014 07 07 15 56.82 +04 39.7 0.0988 1.079 126.9 48.9 18.3 2014 07 08 16 05.74 +03 35.4 0.101 1.082 128.5 47.3 18.3 2014 07 09 16 14.37 +02 32.5 0.103 1.086 130.1 45.8 18.3 2014 07 10 16 22.70 +01 31.4 0.105 1.089 131.5 44.3 18.3 2014 07 11 16 30.72 +00 32.2 0.108 1.093 133.0 42.9 18.3 2014 07 12 16 38.44 -00 24.9 0.110 1.096 134.3 41.6 18.3 2014 07 13 16 45.87 -01 20.0 0.113 1.100 135.5 40.3 18.4 2014 07 14 16 53.00 -02 12.8 0.116 1.104 136.7 39.2 18.4 2014 07 15 16 59.85 -03 03.5 0.119 1.107 137.8 38.1 18.4 2014 07 16 17 06.42 -03 51.9 0.122 1.111 138.8 37.1 18.5 2014 07 17 17 12.72 -04 38.2 0.126 1.115 139.7 36.1 18.5 2014 07 18 17 18.77 -05 22.4 0.129 1.119 140.5 35.3 18.5 2014 07 19 17 24.56 -06 04.6 0.133 1.123 141.3 34.5 18.6 2014 07 20 17 30.13 -06 44.7 0.137 1.127 142.0 33.7 18.6 2014 07 21 17 35.47 -07 22.9 0.141 1.131 142.6 33.1 18.7 2014 07 22 17 40.60 -07 59.3 0.145 1.135 143.1 32.5 18.7 2014 07 23 17 45.53 -08 33.9 0.149 1.139 143.6 31.9 18.8 2014 07 24 17 50.27 -09 06.8 0.153 1.143 144.1 31.4 18.9 2014 07 25 17 54.83 -09 38.1 0.157 1.148 144.4 31.0 18.9 2014 07 26 17 59.22 -10 07.8 0.162 1.152 144.7 30.6 19.0 2014 07 27 18 03.45 -10 36.1 0.167 1.156 145.0 30.3 19.0 2014 07 28 18 07.54 -11 02.9 0.171 1.160 145.2 30.0 19.1 2014 07 29 18 11.48 -11 28.5 0.176 1.165 145.4 29.7 19.2 2014 07 30 18 15.29 -11 52.7 0.181 1.169 145.5 29.5 19.2 2014 07 31 18 18.98 -12 15.8 0.186 1.173 145.6 29.3 19.3