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46P/Wirtanen

Orbital Elements

The following orbital elements are taken from MPC 60466:

46P/Wirtanen
Epoch 2008 Jan. 15.0 TT = JDT 2454480.5
T 2008 Feb. 2.4958 TT                                   MPC
q   1.057487             (2000.0)            P               Q
n   0.1811690      Peri.  356.3476      +0.1976638      -0.9593232
a   3.093239       Node    82.1749      +0.9044570      +0.0991900
e   0.658130       Incl.   11.7393      +0.3780034      +0.2643109
P   5.44
From 511 observations 1995-2007, mean residual 0".8.  Nongravitational
     parameters A1 = +0.35, A2 = -0.1373.

Elements are also available for the current standard epoch:

46P/Wirtanen
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5
T 2008 Feb. 2.4813 TT                                   MPC
q   1.057257             (2000.0)            P               Q
n   0.1812561      Peri.  356.3319      +0.1980087      -0.9592519
a   3.092248       Node    82.1701      +0.9044147      +0.0995100
e   0.658094       Incl.   11.7395      +0.3779242      +0.2644495
P   5.44

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 12 21.44 +06 38.4 3.253 2.480 34.0 13.2 17.5 23.3 2008 08 27 12 29.32 +05 39.6 3.324 2.518 31.5 12.1 17.6 23.3 2008 09 01 12 37.08 +04 42.2 3.392 2.555 28.9 11.0 17.8 23.4 2008 09 06 12 44.74 +03 46.2 3.458 2.593 26.3 9.9 17.9 23.4 2008 09 11 12 52.30 +02 51.7 3.521 2.630 23.6 8.8 18.0 23.4 2008 09 16 12 59.76 +01 58.7 3.581 2.667 21.0 7.8 18.2 23.5 2008 09 21 13 07.13 +01 07.1 3.637 2.703 18.4 6.7 18.3 23.5 2008 09 26 13 14.42 +00 17.0 3.690 2.739 15.8 5.7 18.4 23.5 2008 10 01 13 21.63 -00 31.5 3.739 2.774 13.3 4.7 18.5 23.5 2008 10 06 13 28.75 -01 18.5 3.785 2.810 10.9 3.9 18.6 23.5 2008 10 11 13 35.78 -02 04.0 3.827 2.845 8.9 3.1 18.7 23.5 2008 10 16 13 42.73 -02 47.8 3.864 2.879 7.6 2.6 18.8 23.5 2008 10 21 13 49.60 -03 30.0 3.898 2.913 7.4 2.5 18.9 23.5 2008 10 26 13 56.38 -04 10.6 3.927 2.947 8.4 2.8 19.0 23.6 2008 10 31 14 03.07 -04 49.5 3.952 2.981 10.4 3.4 19.1 23.7 2008 11 05 14 09.65 -05 26.7 3.972 3.014 12.9 4.2 19.2 23.8 2008 11 10 14 16.14 -06 02.2 3.988 3.047 15.7 5.0 19.3 23.8 2008 11 15 14 22.51 -06 35.9 4.000 3.079 18.7 5.9 19.3 23.9 2008 11 20 14 28.77 -07 07.9 4.006 3.111 21.9 6.8 19.4 24.0 2008 11 25 14 34.90 -07 38.1 4.009 3.143 25.1 7.7 19.5 24.1 2008 11 30 14 40.90 -08 06.5 4.006 3.175 28.5 8.5 19.5 24.1 2008 12 05 14 46.75 -08 33.0 3.999 3.206 31.9 9.4 19.6 24.2 2008 12 10 14 52.44 -08 57.7 3.988 3.237 35.4 10.2 19.7 24.2 2008 12 15 14 57.96 -09 20.6 3.972 3.267 39.0 10.9 19.7 24.3 2008 12 20 15 03.29 -09 41.6 3.952 3.297 42.7 11.7 19.8 24.3 2008 12 25 15 08.42 -10 00.7 3.928 3.327 46.4 12.4 19.8 24.3 2008 12 30 15 13.34 -10 18.0 3.900 3.357 50.2 13.0 19.8 24.3 2009 01 04 15 18.01 -10 33.4 3.868 3.386 54.1 13.6 19.9 24.4 2009 01 09 15 22.43 -10 46.9 3.833 3.415 58.0 14.1 19.9 24.4 2009 01 14 15 26.58 -10 58.5 3.794 3.444 62.0 14.6 20.0 24.4 2009 01 19 15 30.43 -11 08.3 3.752 3.472 66.1 15.0 20.0 24.4 2009 01 24 15 33.97 -11 16.2 3.708 3.500 70.3 15.4 20.0 24.4 2009 01 29 15 37.17 -11 22.3 3.661 3.528 74.5 15.6 20.0 24.4 2009 02 03 15 40.00 -11 26.6 3.612 3.555 78.9 15.8 20.1 24.4 2009 02 08 15 42.45 -11 29.1 3.561 3.582 83.3 15.9 20.1 24.4 2009 02 13 15 44.50 -11 29.9 3.510 3.609 87.8 15.9 20.1 24.4 2009 02 18 15 46.12 -11 28.9 3.457 3.636 92.4 15.8 20.1 24.4 2009 02 23 15 47.29 -11 26.3 3.405 3.662 97.1 15.6 20.1 24.3 2009 02 28 15 48.00 -11 22.0 3.353 3.688 101.9 15.2 20.1 24.3 2009 03 05 15 48.22 -11 16.2 3.302 3.713 106.9 14.8 20.1 24.3 2009 03 10 15 47.96 -11 09.0 3.253 3.739 111.9 14.3 20.2 24.2 2009 03 15 15 47.19 -11 00.3 3.207 3.764 117.0 13.6 20.2 24.2 2009 03 20 15 45.93 -10 50.4 3.163 3.789 122.2 12.8 20.2 24.1 2009 03 25 15 44.18 -10 39.3 3.122 3.813 127.6 12.0 20.2 24.1 2009 03 30 15 41.95 -10 27.2 3.087 3.838 133.0 11.0 20.2 24.1 2009 04 04 15 39.26 -10 14.2 3.056 3.862 138.5 9.9 20.2 24.0 2009 04 09 15 36.17 -10 00.7 3.030 3.885 144.0 8.7 20.2 23.9 2009 04 14 15 32.70 -09 46.7 3.011 3.909 149.5 7.5 20.3 23.9 2009 04 19 15 28.92 -09 32.6 2.998 3.932 155.0 6.2 20.3 23.8 2009 04 24 15 24.89 -09 18.5 2.993 3.955 160.4 4.9 20.3 23.8 2009 04 29 15 20.67 -09 04.9 2.995 3.978 165.4 3.7 20.4 23.7 2009 05 04 15 16.34 -08 51.9 3.004 4.000 169.5 2.6 20.4 23.7 2009 05 09 15 11.99 -08 39.9 3.022 4.022 171.1 2.2 20.5 23.7 2009 05 14 15 07.68 -08 29.0 3.047 4.044 169.2 2.7 20.5 23.7 2009 05 19 15 03.49 -08 19.6 3.079 4.066 165.1 3.7 20.6 23.8 2009 05 24 14 59.49 -08 11.8 3.120 4.087 160.2 4.8 20.6 23.9 2009 05 29 14 55.73 -08 05.8 3.167 4.108 154.9 6.0 20.7 24.0 2009 06 03 14 52.27 -08 01.7 3.222 4.129 149.6 7.1 20.8 24.1 2009 06 08 14 49.16 -07 59.6 3.283 4.149 144.3 8.2 20.9 24.2 2009 06 13 14 46.41 -07 59.5 3.349 4.170 139.0 9.2 20.9 24.3 2009 06 18 14 44.05 -08 01.4 3.422 4.190 133.8 10.1 21.0 24.4 2009 06 23 14 42.09 -08 05.3 3.499 4.210 128.7 10.9 21.1 24.5 2009 06 28 14 40.55 -08 11.1 3.580 4.229 123.7 11.5 21.2 24.6 2009 07 03 14 39.42 -08 18.8 3.665 4.249 118.8 12.1 21.2 24.7 2009 07 08 14 38.70 -08 28.2 3.753 4.268 113.9 12.6 21.3 24.8 2009 07 13 14 38.37 -08 39.2 3.844 4.287 109.2 12.9 21.4 24.8 2009 07 18 14 38.43 -08 51.7 3.936 4.306 104.5 13.2 21.5 24.9 2009 07 23 14 38.85 -09 05.6 4.031 4.324 100.0 13.4 21.6 25.0 2009 07 28 14 39.63 -09 20.7 4.126 4.342 95.5 13.5 21.6 25.0 2009 08 02 14 40.74 -09 37.0 4.221 4.360 91.1 13.5 21.7 25.1 2009 08 07 14 42.17 -09 54.2 4.317 4.378 86.7 13.4 21.8 25.2 2009 08 12 14 43.89 -10 12.4 4.412 4.395 82.5 13.2 21.9 25.2 2009 08 17 14 45.89 -10 31.2 4.506 4.413 78.2 13.0 21.9 25.3 2009 08 22 14 48.16 -10 50.8 4.599 4.430 74.1 12.7 22.0 25.3 2009 08 27 14 50.67 -11 10.8 4.690 4.446 69.9 12.3 22.1 25.3 2009 09 01 14 53.41 -11 31.3 4.779 4.463 65.9 11.9 22.1 25.4 2009 09 06 14 56.36 -11 52.2 4.866 4.479 61.8 11.4 22.2 25.4 2009 09 11 14 59.51 -12 13.2 4.950 4.496 57.8 10.9 22.3 25.4 2009 09 16 15 02.84 -12 34.4 5.031 4.511 53.9 10.4 22.3 25.4 2009 09 21 15 06.34 -12 55.7 5.108 4.527 49.9 9.8 22.4 25.5 2009 09 26 15 10.00 -13 17.0 5.182 4.543 46.0 9.1 22.4 25.5

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