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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 May 14.0 TT = JDT 2454600.5
T 2008 Feb. 2.4918 TT                                   MPC
q   1.057458             (2000.0)            P               Q
n   0.1811819      Peri.  356.3433      +0.1977540      -0.9593052
a   3.093092       Node    82.1738      +0.9044462      +0.0992751
e   0.658123       Incl.   11.7391      +0.3779821      +0.2643445
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 04 14 06 53.51 +34 59.5 1.235 1.407 77.2 44.0 11.7 20.9 2008 04 19 07 15.91 +34 33.6 1.292 1.447 77.0 42.5 12.0 21.0 2008 04 24 07 37.05 +33 55.2 1.353 1.488 76.7 41.1 12.2 21.1 2008 04 29 07 56.93 +33 06.6 1.418 1.530 76.1 39.7 12.5 21.3 2008 05 04 08 15.59 +32 10.1 1.486 1.571 75.4 38.4 12.8 21.4 2008 05 09 08 33.11 +31 07.3 1.556 1.614 74.5 37.1 13.1 21.5 2008 05 14 08 49.56 +30 00.0 1.630 1.656 73.5 35.8 13.3 21.6 2008 05 19 09 05.03 +28 49.4 1.705 1.699 72.4 34.6 13.6 21.7 2008 05 24 09 19.61 +27 36.5 1.783 1.742 71.1 33.4 13.9 21.9 2008 05 29 09 33.39 +26 22.2 1.863 1.784 69.7 32.2 14.1 22.0 2008 06 03 09 46.46 +25 06.9 1.944 1.827 68.1 31.0 14.4 22.1 2008 06 08 09 58.89 +23 51.4 2.026 1.870 66.5 29.9 14.6 22.2 2008 06 13 10 10.75 +22 35.9 2.109 1.912 64.8 28.7 14.8 22.3 2008 06 18 10 22.11 +21 20.8 2.193 1.954 63.0 27.6 15.1 22.4 2008 06 23 10 33.00 +20 06.3 2.278 1.996 61.1 26.5 15.3 22.5 2008 06 28 10 43.49 +18 52.6 2.363 2.038 59.2 25.4 15.5 22.6 2008 07 03 10 53.61 +17 39.9 2.448 2.080 57.1 24.2 15.7 22.7 2008 07 08 11 03.42 +16 28.1 2.533 2.121 55.1 23.1 15.9 22.7 2008 07 13 11 12.93 +15 17.5 2.618 2.162 52.9 22.0 16.1 22.8 2008 07 18 11 22.18 +14 08.1 2.702 2.203 50.7 20.9 16.3 22.9 2008 07 23 11 31.19 +13 00.0 2.785 2.244 48.5 19.8 16.5 23.0 2008 07 28 11 39.99 +11 53.1 2.867 2.284 46.2 18.7 16.7 23.0 2008 08 02 11 48.60 +10 47.4 2.947 2.324 43.8 17.6 16.8 23.1 2008 08 07 11 57.04 +09 43.1 3.026 2.363 41.4 16.5 17.0 23.2 2008 08 12 12 05.32 +08 40.2 3.104 2.402 39.0 15.4 17.2 23.2 2008 08 17 12 13.45 +07 38.6 3.179 2.441 36.5 14.3 17.3 23.3 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

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