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Post Info TOPIC: Asteroid 2012 NJ


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Comet P/2012 NJ (La Sagra)
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Comet P/2012 NJ (La Sagra) makes its closest approach to the Earth (0.580 AU) on the 22nd July, 2012.



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An apparently asteroidal object has been reported as showing a 35" tail in p.a. 235 deg on stacked and single images taken by Stefano Mottola using the 1.23-m telescope on Calar Alto on July 16, 17, and 18 UT.

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Orbital elements:
    P/2012 NJ (La Sagra)
Epoch 2012 June 2.0 TT = JDT 2456080.5
T 2012 June 12.73335 TT                                 MPC
q   1.2896564            (2000.0)            P               Q
n   0.04419335     Peri.  338.11275     +0.63786978     +0.33195454
a   7.9231545      Node   315.69552     -0.47172520     -0.54485570
e   0.8372294      Incl.   84.22835     -0.60876718     +0.77002497
P  22.3
From 242 observations 2012 July 13-18

MPEC 2012 - O08



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RE: Asteroid 2012 NJ
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 Google earth file: Asteroid 2012 NJ.kmz (16kb, kmz)

Ephemeris

Date       UT      R.A. (J2000) Decl.    Delta     r     El.    Ph.   V  
2012 07 15 000000 23 37 02.3 +13 22 40   0.618   1.372  111.8  43.5  14.6
2012 07 16 000000 23 31 00.5 +15 02 40   0.611   1.376  113.1  42.8  14.6
2012 07 17 000000 23 24 41.9 +16 43 43   0.605   1.381  114.4  42.1  14.5
2012 07 18 000000 23 18 06.3 +18 25 22   0.600   1.386  115.6  41.4  14.5
2012 07 19 000000 23 11 13.4 +20 07 09   0.596   1.391  116.8  40.7  14.5
2012 07 20 000000 23 04 03.4 +21 48 32   0.593   1.396  117.9  40.1  14.5
2012 07 21 000000 22 56 36.3 +23 28 58   0.591   1.401  118.9  39.4  14.5
2012 07 22 000000 22 48 52.7 +25 07 55   0.590   1.406  119.8  38.8  14.4
2012 07 23 000000 22 40 53.1 +26 44 46   0.590   1.411  120.6  38.3  14.4
2012 07 24 000000 22 32 38.3 +28 18 58   0.591   1.417  121.4  37.8  14.4
2012 07 25 000000 22 24 09.5 +29 50 01   0.594   1.422  122.0  37.3  14.4
2012 07 26 000000 22 15 27.9 +31 17 22   0.597   1.428  122.5  36.9  14.4
2012 07 27 000000 22 06 35.2 +32 40 37   0.602   1.434  122.8  36.5  14.5
2012 07 28 000000 21 57 33.1 +33 59 21   0.607   1.440  123.1  36.2  14.5
2012 07 29 000000 21 48 23.7 +35 13 17   0.614   1.446  123.2  36.0  14.5
2012 07 30 000000 21 39 09.1 +36 22 11   0.621   1.452  123.2  35.8  14.5
2012 07 31 000000 21 29 51.7 +37 25 52   0.629   1.458  123.2  35.6  14.6

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Orbital elements:
2012 NJ
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M   2.17743              (2000.0)            P               Q
n   0.02029283     Peri.  339.75978     +0.65508922     +0.30553901
a  13.3119286      Node   316.08265     -0.47978147     -0.53830052
e   0.9021756      Incl.   85.03429     -0.58366759     +0.78541611
P  48.57           H   13.3           G   0.15           U   8

MPEC 2012 - N19

Ed ~ 6-13 Km wide. Orbital Period is 48.57 years



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