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IAU Minor Planet Center

Minor Planet Center

C/2005 S4 (McNaught)

Orbital Elements

The following orbital elements are taken from MPC 60464:
C/2005 S4 (McNaught)
Epoch 2007 June 29.0 TT = JDT 2454280.5
T 2007 July 18.6747 TT                                  MPC
q   5.850099             (2000.0)            P               Q
z  +0.000178       Peri.   31.4567      +0.5297525      -0.5645768
 +/-0.000002       Node   318.2902      -0.8284134      -0.1843639
e   0.998957       Incl.  107.9586      +0.1819162      +0.8045265
From 358 observations 2005 July 27-2007 Aug. 21, mean residual 0".6.
Elements are also available for the current standard epoch:
C/2005 S4 (McNaught)
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5
T 2007 July 19.9712 TT                                  MPC
q   5.854285             (2000.0)            P               Q
z  +0.000096       Peri.   31.5871      +0.5284495      -0.5657804
 +/-0.000002       Node   318.2889      -0.8288426      -0.1824679
e   0.999437       Incl.  107.9589      +0.1837417      +0.8041132
An explanation of the orbital elements is available.

These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.


Ephemeris

The following ephemeris is at intervals of five days. A daily ephemeris covering the same time interval is also available.

Personalized ephemerides for this (and other) objects may be generated using the Minor Planet & Comet Ephemeris Service.

Recent magnitude estimates for this comet (as reported to the ICQ) may be available.

Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase   m1    m2
2009 10 26    15 46.73   +48 05.8    8.542    8.169    64.8     6.3  18.8
2009 10 31    15 48.49   +47 55.0    8.562    8.192    65.0     6.3  18.8
2009 11 05    15 50.33   +47 46.6    8.579    8.214    65.3     6.3  18.8
2009 11 10    15 52.25   +47 40.7    8.594    8.237    65.8     6.3  18.8
2009 11 15    15 54.22   +47 37.3    8.605    8.260    66.5     6.3  18.8
2009 11 20    15 56.23   +47 36.6    8.613    8.283    67.3     6.3  18.9
2009 11 25    15 58.25   +47 38.5    8.619    8.306    68.3     6.3  18.9
2009 11 30    16 00.26   +47 43.0    8.622    8.329    69.5     6.4  18.9
2009 12 05    16 02.26   +47 50.3    8.623    8.352    70.8     6.4  18.9
2009 12 10    16 04.21   +48 00.2    8.621    8.375    72.3     6.4  18.9
2009 12 15    16 06.10   +48 12.8    8.618    8.398    73.9     6.5  18.9
2009 12 20    16 07.91   +48 28.1    8.612    8.421    75.6     6.5  18.9
2009 12 25    16 09.62   +48 46.0    8.605    8.444    77.3     6.5  18.9
2009 12 30    16 11.21   +49 06.4    8.597    8.467    79.2     6.5  18.9
2010 01 04    16 12.66   +49 29.3    8.587    8.490    81.1     6.6  19.0
2010 01 09    16 13.93   +49 54.5    8.577    8.514    83.0     6.6  19.0
2010 01 14    16 15.03   +50 22.1    8.567    8.537    85.0     6.6  19.0
2010 01 19    16 15.91   +50 51.7    8.556    8.560    87.0     6.6  19.0
2010 01 24    16 16.55   +51 23.3    8.546    8.584    88.9     6.6  19.0
2010 01 29    16 16.93   +51 56.6    8.536    8.607    90.9     6.6  19.0
2010 02 03    16 17.03   +52 31.5    8.527    8.631    92.8     6.5  19.0
2010 02 08    16 16.83   +53 07.7    8.519    8.654    94.6     6.5  19.0
2010 02 13    16 16.29   +53 45.0    8.512    8.678    96.4     6.5  19.0
2010 02 18    16 15.40   +54 23.0    8.508    8.701    98.0     6.5  19.0
2010 02 23    16 14.13   +55 01.6    8.505    8.725    99.6     6.4  19.1
2010 02 28    16 12.46   +55 40.2    8.505    8.748   101.0     6.4  19.1
2010 03 05    16 10.38   +56 18.7    8.507    8.772   102.3     6.3  19.1
2010 03 10    16 07.87   +56 56.6    8.513    8.796   103.4     6.3  19.1
2010 03 15    16 04.93   +57 33.5    8.521    8.819   104.3     6.3  19.1
2010 03 20    16 01.54   +58 09.2    8.532    8.843   105.0     6.2  19.1
2010 03 25    15 57.72   +58 43.1    8.547    8.867   105.6     6.2  19.1
2010 03 30    15 53.47   +59 14.9    8.565    8.891   105.9     6.2  19.2
2010 04 04    15 48.81   +59 44.3    8.587    8.915   106.0     6.2  19.2
2010 04 09    15 43.77   +60 10.9    8.612    8.939   105.9     6.2  19.2
2010 04 14    15 38.38   +60 34.4    8.641    8.962   105.6     6.2  19.2
2010 04 19    15 32.70   +60 54.6    8.673    8.986   105.1     6.2  19.2
2010 04 24    15 26.78   +61 11.2    8.708    9.010   104.4     6.2  19.2
2010 04 29    15 20.68   +61 24.0    8.747    9.034   103.5     6.2  19.3
2010 05 04    15 14.48   +61 33.0    8.789    9.058   102.4     6.2  19.3
2010 05 09    15 08.23   +61 38.1    8.833    9.082   101.1     6.3  19.3
2010 05 14    15 02.02   +61 39.4    8.881    9.106    99.7     6.3  19.3
2010 05 19    14 55.91   +61 36.9    8.931    9.130    98.2     6.3  19.4
2010 05 24    14 49.98   +61 30.7    8.984    9.155    96.5     6.3  19.4
2010 05 29    14 44.28   +61 21.1    9.038    9.179    94.8     6.3  19.4
2010 06 03    14 38.85   +61 08.3    9.095    9.203    92.9     6.3  19.4
2010 06 08    14 33.75   +60 52.5    9.153    9.227    91.0     6.3  19.5
2010 06 13    14 29.01   +60 34.0    9.212    9.251    89.0     6.3  19.5
2010 06 18    14 24.65   +60 13.1    9.273    9.276    87.0     6.3  19.5
2010 06 23    14 20.69   +59 50.1    9.334    9.300    85.0     6.2  19.5
2010 06 28    14 17.14   +59 25.4    9.395    9.324    82.9     6.2  19.6
2010 07 03    14 13.99   +58 59.2    9.456    9.348    80.8     6.2  19.6
2010 07 08    14 11.24   +58 31.8    9.518    9.373    78.8     6.1  19.6
2010 07 13    14 08.88   +58 03.4    9.578    9.397    76.7     6.0  19.6
2010 07 18    14 06.91   +57 34.5    9.638    9.421    74.7     6.0  19.7
2010 07 23    14 05.30   +57 05.1    9.697    9.446    72.8     5.9  19.7
2010 07 28    14 04.03   +56 35.7    9.754    9.470    70.9     5.8  19.7
2010 08 02    14 03.10   +56 06.2    9.810    9.495    69.1     5.7  19.7
2010 08 07    14 02.47   +55 37.0    9.864    9.519    67.3     5.6  19.8
2010 08 12    14 02.14   +55 08.3    9.915    9.544    65.7     5.6  19.8
2010 08 17    14 02.07   +54 40.2    9.965    9.568    64.2     5.5  19.8
2010 08 22    14 02.25   +54 12.9   10.011    9.593    62.9     5.4  19.8
2010 08 27    14 02.66   +53 46.5   10.055    9.617    61.7     5.3  19.8
2010 09 01    14 03.28   +53 21.2   10.097    9.642    60.6     5.2  19.9
2010 09 06    14 04.10   +52 57.0   10.135    9.666    59.8     5.2  19.9
2010 09 11    14 05.09   +52 34.2   10.169    9.691    59.1     5.1  19.9
2010 09 16    14 06.23   +52 12.8   10.201    9.715    58.6     5.1  19.9
2010 09 21    14 07.52   +51 53.0   10.229    9.740    58.4     5.0  19.9
2010 09 26    14 08.92   +51 34.8   10.253    9.765    58.3     5.0  20.0
2010 10 01    14 10.43   +51 18.2   10.274    9.789    58.5     5.0  20.0
2010 10 06    14 12.04   +51 03.5   10.292    9.814    59.0     5.0  20.0
2010 10 11    14 13.71   +50 50.6   10.306    9.838    59.6     5.0  20.0
2010 10 16    14 15.45   +50 39.7   10.316    9.863    60.5     5.0  20.0
2010 10 21    14 17.23   +50 30.8   10.324    9.888    61.5     5.1  20.0
2010 10 26    14 19.03   +50 24.0   10.327    9.913    62.8     5.1  20.0
2010 10 31    14 20.85   +50 19.2   10.328    9.937    64.3     5.2  20.0
2010 11 05    14 22.67   +50 16.6   10.326    9.962    65.9     5.2  20.1
2010 11 10    14 24.47   +50 16.1   10.320    9.987    67.7     5.3  20.1
2010 11 15    14 26.23   +50 17.8   10.312   10.012    69.7     5.3  20.1
2010 11 20    14 27.94   +50 21.8   10.302   10.036    71.8     5.4  20.1
2010 11 25    14 29.58   +50 27.9   10.289   10.061    74.0     5.4  20.1
2010 11 30    14 31.14   +50 36.2   10.275   10.086    76.3     5.5  20.1

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