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Post Info TOPIC: Comet P/2011 FR143 (LEMMON)
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Comet P/2011 FR143 (LEMMON)
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Comet P/2011 FR143 (Lemmon) is at Opposition (4.865 AU) on the 2nd July, 2013.

Ephemeris

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2013 07 01    18 36 43.7 -03 49 09   4.8615  5.8306   160.7     3.3
2013 07 02    18 36 15.3 -03 49 43   4.8648  5.8339   160.7     3.3
2013 07 03    18 35 47.0 -03 50 22   4.8683  5.8372   160.6     3.3
2013 07 04    18 35 18.7 -03 51 04   4.8722  5.8405   160.5     3.3
2013 07 05    18 34 50.6 -03 51 49   4.8763  5.8438   160.4     3.4
2013 07 06    18 34 22.5 -03 52 39   4.8807  5.8471   160.1     3.4
2013 07 07    18 33 54.6 -03 53 32   4.8854  5.8505   159.9     3.4
2013 07 08    18 33 26.9 -03 54 30   4.8904  5.8538   159.5     3.5
2013 07 09    18 32 59.3 -03 55 30   4.8956  5.8571   159.2     3.5
2013 07 10    18 32 31.9 -03 56 35   4.9012  5.8604   158.8     3.6


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Comet P/2011 FR143 (Lemmon) makes its closest approach to the Earth (3.519 AU) on the 14th May, 2012.



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Orbital elements:
    P/2011 FR143 (Lemmon)
Epoch 2011 Mar. 20.0 TT = JDT 2455640.5
T 2011 Mar. 10.74431 TT                                 MPC
q   3.7355809            (2000.0)            P               Q
n   0.05522767     Peri.  349.94149     -0.99856263     +0.00952153
a   6.8291225      Node   191.02265     -0.00237615     -0.99099076
e   0.4529925      Incl.   16.01362     -0.05354457     -0.13359141
P  17.8
From 52 observations 2011 Mar. 5-2012 Apr. 11

MPEC 2012 - G36

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Comet P/2011 FR143 (LEMMON) was first discovered by the Mount Lemmon Observatory, located in Arizona, in 2011.  The object was classified as belonging to the centaurs group.
The object has an absolute magnitude of 13.7 which corresponds to a diameter of 6-8 km, and an orbital period of 17.85 years.
In June-July 1968 the comet had a close encounter with the planet Saturn.

Google earth file: Comet P2011 FR143 (Lemmon).kmz (18kb, kmz)



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