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Post Info TOPIC: C/2007 F1 (LONEOS)


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RE: C/2007 F1 (LONEOS)
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Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1 
2007 11 01    15 53.05   -15 42.3    0.739    0.412    21.8   116.3   5.5
2007 11 06    16 27.14   -29 00.4    0.842    0.459    27.5    94.7   6.2
2007 11 11    16 49.82   -37 56.7    0.983    0.533    31.3    75.0   7.2
2007 11 16    17 05.21   -43 49.1    1.133    0.620    33.1    60.6   8.2
2007 11 21    17 16.54   -47 52.8    1.276    0.714    33.8    50.4   9.1
2007 11 26    17 25.69   -50 52.6    1.410    0.810    34.0    43.0   9.8


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Comet 2007 F1 (LONEOS) has brightened to magnitude 4.3; but  is low down  in the evening  skies.
The comet, currently located  near the  Coma Bootis boarder, will be 9 degrees  west of  Arcturus  on the 17th October.
Comet C/2007 F1 ( LONEOS ) is expected to reach perihelion on October 28th, 2007, at a distance of 0.4 A.U. from the sun.
In early November it will appear as a magnitude 7 object in the evening sky for Southern Hemisphere observers.

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Comet LONEOS (C/2007 F1)
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Orbital Elements at Epoch 2454213.5 (2007-Apr-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e 1.00007010969863 9.2139e-06  
a -5738.87563114344 754.26 AU
q 0.402350840957792 6.1821e-06 AU
i 116.07979178064 0.00023959 deg
node 172.8859813634567 6.8832e-05 deg
peri 153.7129721998903 0.0004747 deg
M 359.9995720656401 8.4361e-05 deg
tp 2454402.261449758058
(2007-Oct-28.76144976)
0.0022466 JED
period n/a
n/a
n/a
n/a
d
yr
n 2.267064384334217E-6 4.4694e-07 deg/d
Q n/a n/a AU
   

Orbit Diagram


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L

Posts: 131433
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RE: C/2007 F1 (LONEOS)
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Comet C/2007 F1 (LONEOS) may brighten to  become a visual  morning object in October (However it will be close to the Sun).
The comet will pass close to the NGC 4278 elliptical galaxy on October 8.

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 09 27 11 55.28 +27 58.8 1.595 0.877 29.6 34.4 10.4
2007 10 02 12 11.74 +27 36.5 1.440 0.782 31.2 41.6 9.7
2007 10 07 12 32.23 +26 46.7 1.277 0.686 32.3 51.0 8.9
2007 10 12 12 58.53 +24 59.7 1.109 0.594 32.2 63.6 8.0
2007 10 17 13 32.90 +21 13.2 0.944 0.509 30.3 80.6 6.9
2007 10 22 14 16.80 +13 34.6 0.801 0.442 25.7 102.5 6.0
2007 10 27 15 06.90 +00 23.5 0.721 0.405 20.4 121.4 5.4
2007 11 01 15 53.05 -15 42.3 0.739 0.412 21.8 116.3 5.5

Note: This comet gets close to the sun during this period, and observers are warned to be wary of observing comets close to the sun.


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C/2007 F1 (LONEOS)

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2007 03 21 11 20.41 +20 35.9 2.798 3.737 157.3 5.9 18.0
2007 03 26 11 12.95 +21 42.8 2.770 3.678 151.5 7.4 17.9
2007 03 31 11 05.45 +22 46.0 2.752 3.618 145.4 9.0 17.8
2007 04 05 10 58.01 +23 44.8 2.742 3.559 139.0 10.6 17.7
2007 04 10 10 50.75 +24 38.5 2.741 3.499 132.7 12.1 17.6
2007 04 15 10 43.78 +25 26.7 2.747 3.438 126.4 13.6 17.6
2007 04 20 10 37.21 +26 09.3 2.759 3.377 120.1 14.9 17.5
2007 04 25 10 31.12 +26 46.3 2.777 3.316 114.0 16.1 17.4
2007 04 30 10 25.57 +27 17.9 2.798 3.254 108.0 17.1 17.4



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