The 970 - 2200 metre wide asteroid 2063 Bacchus (1977 HB) will make a close pass (76.0 LD, 0.1952 AU) travelling at 16.15 km/second, to the Earth-Moon system on the 7th April 2015 @ 19:13 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).
Asteroid (2063) Bacchus makes its closest approach to the Earth (0.302 AU) on the 16th December 2013
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2013 12 15 18 03 03.6 -07 13 32 0.3020 0.7031 18.0 154.4 23.2 2013 12 16 17 58 20.6 -06 43 21 0.3019 0.7024 17.6 154.9 23.3 2013 12 17 17 53 35.9 -06 14 45 0.3022 0.7018 17.5 155.1 23.4 2013 12 18 17 48 51.2 -05 47 53 0.3028 0.7014 17.6 154.8 23.3 2013 12 19 17 44 07.9 -05 22 52 0.3039 0.7012 18.0 154.2 23.2 2013 12 20 17 39 27.7 -04 59 49 0.3054 0.7013 18.7 153.3 23.0 2013 12 21 17 34 52.0 -04 38 47 0.3073 0.7016 19.5 152.1 22.7 2013 12 22 17 30 22.4 -04 19 52 0.3095 0.7020 20.4 150.7 22.5 2013 12 23 17 26 00.0 -04 03 05 0.3121 0.7027 21.5 149.1 22.2 2013 12 24 17 21 46.1 -03 48 26 0.3151 0.7036 22.7 147.3 21.9 2013 12 25 17 17 41.6 -03 35 56 0.3183 0.7047 24.0 145.4 21.6 2013 12 26 17 13 47.6 -03 25 33 0.3219 0.7060 25.3 143.5 21.3 2013 12 27 17 10 04.7 -03 17 13 0.3258 0.7075 26.6 141.4 21.1 2013 12 28 17 06 33.4 -03 10 54 0.3300 0.7092 28.0 139.4 20.8 2013 12 29 17 03 14.3 -03 06 32 0.3344 0.7111 29.3 137.3 20.6 2013 12 30 17 00 07.6 -03 04 00 0.3390 0.7132 30.7 135.3 20.4 2013 12 31 16 57 13.5 -03 03 14 0.3438 0.7154 32.0 133.2 20.2