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Post Info TOPIC: Asteroid 2012 DX
Blobrana


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RE: Asteroid 2012 DX
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Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.   V 
2012 02 21 030000 13 46 31.9 +27 49 09   0.0064  0.993  127.7  52.0  18.0
2012 02 21 040000 13 54 14.0 +27 05 04   0.0062  0.993  126.1  53.6  18.0
2012 02 21 050000 14 02 12.2 +26 17 09   0.0061  0.992  124.5  55.2  18.0
2012 02 21 060000 14 10 26.2 +25 25 12   0.0059  0.992  122.7  57.0  18.0
2012 02 21 070000 14 18 55.5 +24 29 00   0.0058  0.992  120.9  58.8  18.0
2012 02 21 080000 14 27 39.4 +23 28 26   0.0057  0.992  118.9  60.8  18.0
2012 02 21 090000 14 36 36.9 +22 23 23   0.0056  0.991  116.9  62.8  18.0
2012 02 21 100000 14 45 46.9 +21 13 49   0.0055  0.991  114.8  65.0  18.1
2012 02 21 110000 14 55 07.9 +19 59 46   0.0054  0.991  112.5  67.2  18.1
2012 02 21 120000 15 04 38.4 +18 41 19   0.0053  0.991  110.2  69.5  18.1
2012 02 21 130000 15 14 16.7 +17 18 42   0.0052  0.991  107.9  71.8  18.2
2012 02 21 140000 15 24 00.9 +15 52 11   0.0051  0.990  105.4  74.3  18.2
2012 02 21 150000 15 33 48.8 +14 22 10   0.0051  0.990  102.9  76.8  18.3
2012 02 21 160000 15 43 38.5 +12 49 07   0.0051  0.990  100.4  79.3  18.4
2012 02 21 170000 15 53 27.8 +11 13 36   0.0050  0.990   97.8  81.9  18.5
2012 02 21 180000 16 03 14.5 +09 36 13   0.0050  0.989   95.2  84.5  18.5
2012 02 21 190000 16 12 56.5 +07 57 39   0.0050  0.989   92.6  87.2  18.6
2012 02 21 200000 16 22 31.9 +06 18 36   0.0050  0.989   90.0  89.8  18.8
2012 02 21 210000 16 31 58.9 +04 39 43   0.0051  0.989   87.4  92.3  18.9
2012 02 21 220000 16 41 15.6 +03 01 42   0.0051  0.989   84.8  94.9  19.0
2012 02 21 230000 16 50 20.8 +01 25 10   0.0052  0.988   82.3  97.4  19.1
2012 02 22 000000 16 59 13.0 -00 09 22   0.0052  0.988   79.9  99.8  19.3


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Blobrana


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Posts: 131433
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Orbital elements:
2012 DX                                                  Earth MOID = 0.0021 AU
Epoch 2012 Feb. 3.0 TT = JDT 2455960.5                  MPC
M 325.96964              (2000.0)            P               Q
n   0.55645813     Peri.  235.15356     -0.87181916     +0.48766324
a   1.4639100      Node   333.94302     -0.40825176     -0.77530708
e   0.4126511      Incl.    6.01094     -0.27066926     -0.40135208
P   1.77           H   27.0           G   0.15
From 20 observations 2012 Feb. 19-19.

MPEC 2012 - D23

The 10 - 23metre wide asteroid 2012 DX will make a close pass (2.0 lunar distances, 0.0050 AU), travelling at 10.61 km/second, to the Earth-Moon system on the 21st February, 2012 @ 18:18 UT ±00:16.

See more

The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).



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