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TOPIC: Comet C/2009 R1 (McNaught)
Blobrana


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RE: Comet C/2009 R1 (McNaught)
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Comet C/2009 R1 (McNaught), at magnitude 6.3, will pass 4.39° from the magnitude 5.7 galaxy M33 at 19:00 UT, 31st May, 2010.
The Comet is currently just below the star Beta Andromeda.

2009R1McNaught-2010-5-30-23h32m.gif

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Blobrana


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Comet C/2009 R1 (McNaught), at magnitude 8.6, will pass 0.73° from the magnitude 10.5 galaxy NGC 7814 at 17:00 UT, 13th May, 2010.

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Ephemeris
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   Mag
2010 05 04    23 35.99   +09 56.1    1.884    1.387    46.0    31.5  10.8
2010 05 09    23 48.09   +13 11.8    1.758    1.300    47.0    34.6  10.4
2010 05 14    00 02.04   +16 53.6    1.635    1.210    47.6    38.0   9.9
2010 05 19    00 18.56   +21 05.1    1.517    1.119    47.5    41.8   9.4
2010 05 24    00 38.69   +25 48.9    1.408    1.026    46.7    45.9   8.9
2010 05 29    01 04.06   +31 03.2    1.311    0.932    45.1    50.3   8.3
2010 06 03    01 37.04   +36 37.2    1.230    0.837    42.5    54.9   7.7
2010 06 08    02 20.73   +42 01.6    1.171    0.742    38.8    59.1   7.0
2010 06 13    03 17.79   +46 19.9    1.139    0.647    34.4    62.3   6.4
2010 06 18    04 26.49   +48 14.0    1.139    0.558    29.3    63.0   5.7
2010 06 23    05 37.00   +46 44.8    1.171    0.480    24.0    59.6   5.2
2010 06 28    06 36.84   +42 00.7    1.231    0.424    18.8    50.7   4.7
2010 07 03    07 20.69   +35 08.7    1.305    0.405    14.2    37.9   4.7
2010 07 08    07 50.73   +27 30.3    1.382    0.430    10.9    26.7   5.0
2010 07 13    08 11.73   +20 04.7    1.454    0.489    10.3    21.9   5.7
2010 07 18    08 27.57   +13 16.4    1.521    0.570    12.2    22.1   6.5
2010 07 23    08 40.53   +07 08.3    1.584    0.660    15.2    23.8   7.2
2010 07 28    08 51.84   +01 35.8    1.646    0.754    18.4    25.2   7.9


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Blobrana


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Orbital elements:
    C/2009 R1 (McNaught)
Epoch 2010 June 13.0 TT = JDT 2455360.5
T 2010 July 2.65354 TT                                  MPC
q   0.4050109            (2000.0)            P               Q
z  -0.0008077      Peri.  130.70044     -0.41478241     -0.69149348
 +/-0.0000346      Node   322.62909     +0.19358631     +0.56804014
e   1.0003271      Incl.   77.00698     +0.88908936     -0.44628149

MPEC 2009 - S152

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Blobrana


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Orbital elements:
    C/2009 R1 (McNaught)
T 2010 July 2.0338 TT                                   MPC
q   0.401355             (2000.0)            P               Q
                   Peri.  130.8565      -0.4146774      -0.6938116
                   Node   322.7529      +0.1985730      +0.5624501
e   1.0            Incl.   76.6038      +0.8880380      -0.4497503
From 71 observations 2009 July 20-Sept. 23.

MPEC 2009 - S85

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Blobrana


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Orbital elements:
    C/2009 R1 (McNaught)
T 2010 July 2.1251 TT                                   MPC
q   0.401409             (2000.0)            P               Q
                   Peri.  130.8611      -0.4150649      -0.6932319
                   Node   322.7344      +0.1980531      +0.5632358
e   1.0            Incl.   76.6688      +0.8879730      -0.4496609
From 53 observations 2009 July 20-Sept. 15.

MPEC 2009 - S22

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Blobrana


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Orbital elements:
    C/2009 R1 (McNaught)
T 2010 July 2.1654 TT                                   MPC
q   0.401424             (2000.0)            P               Q
                   Peri.  130.8635      -0.4152440      -0.6929681
                   Node   322.7260      +0.1978227      +0.5635880
e   1.0            Incl.   76.6981      +0.8879406      -0.4496262
From 43 observations 2009 July 20-Sept. 12.

MPEC 2009 - R48

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Blobrana


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Comet C/2009 R1 (McNaught) was discovered by Rob H. McNaught (Siding Spring Survey) on the 9th September, 2009.
This discovery brings up Rob McNaughts total cometary discoveries to 51.
The preliminary orbital elements of the comet indicate a perihelion passage on the 2nd  July, 2010 at a distance of  0.40 AU from the Sun, when it could reach a magnitude 4.5.

Ephemeris

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Blobrana


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Orbital elements:
    C/2009 R1 (McNaught)
T 2010 July 2.1701 TT                                   MPC
q   0.401431             (2000.0)            P               Q
                   Peri.  130.8635      -0.4152567      -0.6929477
                   Node   322.7253      +0.1978019      +0.5636176
e   1.0            Incl.   76.7005      +0.8879394      -0.4496205
From 35 observations 2009 July 20-Sept. 10.

MPEC 2009 - R33

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