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128P/Shoemaker-Holt

Orbital Elements

The following orbital elements are taken from MPC 51822:

128P/Shoemaker-Holt
Epoch 2007 June 29.0 TT = JDT 2454280.5
T 2007 June 13.6505 TT                                  MPC
q   3.068926             (2000.0)            P               Q
n   0.1028238      Peri.  210.4481      +0.4255220      -0.9039293
a   4.512393       Node   214.4205      +0.8448307      +0.4138078
e   0.319889       Incl.    4.3554      +0.3243333      +0.1080504
P   9.59
From 282 observations 1987-1999, mean residual 0".8.

Elements are also available for the current standard epoch:

128P/Shoemaker-Holt
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5
T 2007 June 13.3858 TT                                  MPC
q   3.067849             (2000.0)            P               Q
n   0.1028331      Peri.  210.4007      +0.4266793      -0.9033850
a   4.512121       Node   214.3946      +0.8443110      +0.4148827
e   0.320087       Incl.    4.3555      +0.3241662      +0.1084803
P   9.58

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

WARNING!

This comet gets close to the sun during the period covered in the ephemeris below. Observers are warned to be wary of observing comets near the sun. NEVER point any kind of optical instrument at the sun--instant blindness will be the probable result.

2008 08 22 09 43.15 +10 15.0 4.813 3.808 5.6 1.5 17.7 20.5 2008 08 27 09 49.05 +09 44.6 4.817 3.821 8.5 2.2 17.7 20.6 2008 09 01 09 54.89 +09 13.8 4.818 3.834 11.6 3.0 17.8 20.6 2008 09 06 10 00.64 +08 42.7 4.814 3.848 14.8 3.8 17.8 20.7 2008 09 11 10 06.30 +08 11.4 4.805 3.861 18.1 4.7 17.8 20.7 2008 09 16 10 11.86 +07 39.9 4.793 3.875 21.5 5.4 17.8 20.8 2008 09 21 10 17.32 +07 08.5 4.777 3.889 24.9 6.2 17.8 20.8 2008 09 26 10 22.67 +06 37.0 4.756 3.902 28.3 7.0 17.8 20.9 2008 10 01 10 27.89 +06 05.7 4.731 3.916 31.8 7.7 17.8 20.9 2008 10 06 10 32.99 +05 34.6 4.702 3.929 35.3 8.5 17.8 20.9 2008 10 11 10 37.94 +05 03.9 4.670 3.943 38.9 9.1 17.8 20.9 2008 10 16 10 42.75 +04 33.6 4.633 3.957 42.5 9.8 17.8 21.0 2008 10 21 10 47.39 +04 03.9 4.593 3.970 46.2 10.4 17.8 21.0 2008 10 26 10 51.86 +03 34.8 4.550 3.984 50.0 11.0 17.8 21.0 2008 10 31 10 56.15 +03 06.5 4.503 3.998 53.8 11.6 17.8 21.0 2008 11 05 11 00.23 +02 39.1 4.453 4.011 57.7 12.1 17.8 21.0 2008 11 10 11 04.10 +02 12.7 4.400 4.025 61.6 12.5 17.8 21.0 2008 11 15 11 07.74 +01 47.5 4.345 4.039 65.6 12.9 17.8 21.0 2008 11 20 11 11.14 +01 23.5 4.287 4.052 69.7 13.2 17.7 21.0 2008 11 25 11 14.28 +01 01.0 4.227 4.066 73.9 13.5 17.7 21.0 2008 11 30 11 17.14 +00 40.0 4.166 4.080 78.2 13.7 17.7 20.9 2008 12 05 11 19.71 +00 20.7 4.103 4.093 82.5 13.8 17.7 20.9 2008 12 10 11 21.97 +00 03.3 4.040 4.107 86.9 13.9 17.7 20.9 2008 12 15 11 23.91 -00 12.2 3.976 4.121 91.5 13.8 17.6 20.9 2008 12 20 11 25.50 -00 25.6 3.913 4.134 96.1 13.7 17.6 20.8 2008 12 25 11 26.74 -00 36.7 3.849 4.148 100.8 13.5 17.6 20.8 2008 12 30 11 27.60 -00 45.5 3.787 4.162 105.6 13.2 17.6 20.8 2009 01 04 11 28.09 -00 51.8 3.727 4.175 110.6 12.7 17.6 20.7 2009 01 09 11 28.19 -00 55.5 3.669 4.189 115.6 12.2 17.5 20.7 2009 01 14 11 27.91 -00 56.6 3.614 4.202 120.7 11.6 17.5 20.6 2009 01 19 11 27.24 -00 55.0 3.562 4.216 126.0 10.9 17.5 20.6 2009 01 24 11 26.20 -00 50.7 3.515 4.230 131.3 10.1 17.5 20.5 2009 01 29 11 24.79 -00 43.8 3.472 4.243 136.7 9.2 17.5 20.5 2009 02 03 11 23.05 -00 34.3 3.435 4.257 142.2 8.2 17.5 20.4 2009 02 08 11 21.00 -00 22.4 3.403 4.270 147.8 7.1 17.5 20.3 2009 02 13 11 18.68 -00 08.3 3.378 4.284 153.4 5.9 17.5 20.3 2009 02 18 11 16.14 +00 07.8 3.360 4.297 159.1 4.7 17.5 20.2 2009 02 23 11 13.42 +00 25.6 3.348 4.311 164.7 3.5 17.5 20.1 2009 02 28 11 10.58 +00 44.8 3.345 4.324 170.1 2.2 17.5 20.1 2009 03 05 11 07.69 +01 04.9 3.349 4.337 174.8 1.2 17.5 20.0 2009 03 10 11 04.79 +01 25.5 3.361 4.351 175.1 1.1 17.5 20.0 2009 03 15 11 01.96 +01 46.3 3.380 4.364 170.6 2.1 17.5 20.1 2009 03 20 10 59.25 +02 06.9 3.407 4.377 165.3 3.3 17.6 20.2 2009 03 25 10 56.71 +02 26.9 3.442 4.391 159.8 4.5 17.6 20.3 2009 03 30 10 54.38 +02 45.9 3.483 4.404 154.2 5.7 17.6 20.4 2009 04 04 10 52.32 +03 03.6 3.531 4.417 148.8 6.7 17.7 20.5 2009 04 09 10 50.55 +03 19.8 3.586 4.430 143.4 7.7 17.7 20.6 2009 04 14 10 49.09 +03 34.3 3.646 4.444 138.1 8.7 17.8 20.6 2009 04 19 10 47.96 +03 46.8 3.712 4.457 132.9 9.5 17.8 20.7 2009 04 24 10 47.18 +03 57.4 3.782 4.470 127.8 10.2 17.9 20.8 2009 04 29 10 46.75 +04 05.8 3.857 4.483 122.8 10.9 17.9 20.9 2009 05 04 10 46.67 +04 12.1 3.935 4.496 117.9 11.4 18.0 20.9 2009 05 09 10 46.94 +04 16.3 4.016 4.509 113.1 11.9 18.1 21.0 2009 05 14 10 47.54 +04 18.3 4.100 4.522 108.4 12.2 18.1 21.1 2009 05 19 10 48.46 +04 18.2 4.186 4.535 103.8 12.5 18.2 21.1 2009 05 24 10 49.69 +04 16.0 4.273 4.548 99.3 12.7 18.2 21.2 2009 05 29 10 51.21 +04 11.9 4.361 4.560 94.9 12.8 18.3 21.2 2009 06 03 10 53.02 +04 05.9 4.450 4.573 90.6 12.8 18.3 21.3 2009 06 08 10 55.08 +03 58.0 4.538 4.586 86.3 12.8 18.4 21.3 2009 06 13 10 57.39 +03 48.4 4.627 4.599 82.1 12.6 18.5 21.4 2009 06 18 10 59.93 +03 37.1 4.714 4.611 78.0 12.4 18.5 21.4 2009 06 23 11 02.68 +03 24.3 4.801 4.624 74.0 12.2 18.6 21.5 2009 06 28 11 05.63 +03 09.9 4.886 4.637 70.0 11.9 18.6 21.5 2009 07 03 11 08.76 +02 54.2 4.969 4.649 66.0 11.5 18.7 21.5 2009 07 08 11 12.05 +02 37.1 5.050 4.662 62.1 11.1 18.7 21.6 2009 07 13 11 15.49 +02 18.9 5.128 4.674 58.3 10.7 18.7 21.6 2009 07 18 11 19.07 +01 59.5 5.204 4.687 54.5 10.2 18.8 21.6 2009 07 23 11 22.78 +01 39.1 5.277 4.699 50.7 9.6 18.8 21.6 2009 07 28 11 26.60 +01 17.7 5.346 4.711 46.9 9.1 18.9 21.6 2009 08 02 11 30.53 +00 55.4 5.412 4.724 43.2 8.5 18.9 21.6 2009 08 07 11 34.54 +00 32.3 5.474 4.736 39.5 7.8 18.9 21.6 2009 08 12 11 38.63 +00 08.4 5.533 4.748 35.8 7.2 19.0 21.6 2009 08 17 11 42.80 -00 16.0 5.587 4.760 32.1 6.5 19.0 21.6 2009 08 22 11 47.03 -00 41.1 5.637 4.772 28.4 5.8 19.0 21.6 2009 08 27 11 51.31 -01 06.7 5.683 4.784 24.8 5.1 19.1 21.6 2009 09 01 11 55.63 -01 32.7 5.724 4.796 21.1 4.3 19.1 21.6 2009 09 06 11 59.98 -01 59.0 5.760 4.808 17.5 3.6 19.1 21.6 2009 09 11 12 04.37 -02 25.6 5.792 4.820 13.8 2.9 19.1 21.5 2009 09 16 12 08.77 -02 52.4 5.818 4.832 10.2 2.1 19.2 21.5 2009 09 21 12 13.18 -03 19.3 5.840 4.844 6.6 1.4 19.2 21.4 2009 09 26 12 17.59 -03 46.3 5.856 4.855 3.1 0.6 19.2 21.4

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