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C/2008 J4 (McNaught)

Orbital Elements

The following orbital elements are taken from MPC 63138:

C/2008 J4 (McNaught)
T 2008 June 19.509 TT                                   MPC
q   0.44795              (2000.0)            P               Q
                   Peri.   93.393       +0.021567       -0.331510
                   Node   289.248       -0.332270       +0.887421
e   1.0            Incl.   87.502       +0.942938       +0.320290
From 22 observations 2008 May 10-25.

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 06 13 04 35.80 +49 16.0 0.951 0.478 27.9 83.7 11.7 2008 06 18 05 34.92 +47 32.3 1.094 0.450 24.3 68.2 11.7 2008 06 23 06 16.31 +43 38.6 1.244 0.457 20.3 50.5 12.1 2008 06 28 06 44.10 +38 59.7 1.387 0.497 16.1 34.4 12.7 2008 07 03 07 03.45 +34 21.7 1.517 0.562 11.8 21.8 13.4 2008 07 08 07 17.88 +30 02.3 1.633 0.641 7.8 12.4 14.1 2008 07 13 07 29.35 +26 05.4 1.737 0.727 4.3 6.0 14.8 2008 07 18 07 38.94 +22 29.2 1.829 0.816 3.0 3.8 15.4 2008 07 23 07 47.26 +19 10.8 1.913 0.907 5.5 6.2 16.0 2008 07 28 07 54.65 +16 07.0 1.988 0.998 8.9 9.1 16.5 2008 08 02 08 01.34 +13 15.2 2.056 1.088 12.5 11.6 16.9 2008 08 07 08 07.44 +10 33.1 2.117 1.177 16.0 13.8 17.3 2008 08 12 08 13.05 +07 58.9 2.172 1.264 19.6 15.6 17.7 2008 08 17 08 18.22 +05 30.8 2.221 1.350 23.2 17.1 18.0 2008 08 22 08 22.98 +03 07.8 2.265 1.435 26.7 18.5 18.3 2008 08 27 08 27.35 +00 48.7 2.303 1.519 30.3 19.6 18.6 2008 09 01 08 31.35 -01 27.5 2.336 1.601 33.9 20.6 18.9 2008 09 06 08 34.97 -03 41.3 2.365 1.682 37.5 21.4 19.1 2008 09 11 08 38.20 -05 53.4 2.390 1.762 41.2 22.1 19.4 2008 09 16 08 41.03 -08 04.2 2.411 1.840 44.8 22.7 19.6 2008 09 21 08 43.44 -10 14.2 2.429 1.918 48.5 23.1 19.8 2008 09 26 08 45.40 -12 23.6 2.443 1.994 52.3 23.4 19.9 2008 10 01 08 46.90 -14 32.6 2.455 2.069 56.0 23.7 20.1 2008 10 06 08 47.88 -16 41.2 2.465 2.144 59.8 23.8 20.3 2008 10 11 08 48.32 -18 49.4 2.473 2.217 63.6 23.8 20.4 2008 10 16 08 48.17 -20 57.1 2.480 2.290 67.4 23.7 20.6 2008 10 21 08 47.38 -23 03.9 2.486 2.361 71.2 23.5 20.7 2008 10 26 08 45.92 -25 09.4 2.491 2.432 75.0 23.3 20.8 2008 10 31 08 43.72 -27 13.2 2.497 2.502 78.8 22.9 21.0 2008 11 05 08 40.73 -29 14.5 2.504 2.572 82.6 22.5 21.1 2008 11 10 08 36.92 -31 12.3 2.513 2.640 86.3 22.0 21.2 2008 11 15 08 32.24 -33 05.8 2.523 2.708 89.9 21.4 21.3 2008 11 20 08 26.68 -34 53.7 2.536 2.775 93.3 20.8 21.5 2008 11 25 08 20.22 -36 35.0 2.552 2.842 96.7 20.2 21.6 2008 11 30 08 12.89 -38 08.3 2.572 2.908 99.8 19.5 21.7 2008 12 05 08 04.72 -39 32.2 2.596 2.973 102.8 18.9 21.8 2008 12 10 07 55.81 -40 45.6 2.624 3.038 105.4 18.2 21.9 2008 12 15 07 46.29 -41 47.5 2.657 3.102 107.8 17.6 22.0 2008 12 20 07 36.31 -42 37.3 2.694 3.166 109.8 17.0 22.2 2008 12 25 07 26.05 -43 14.4 2.737 3.229 111.4 16.5 22.3 2008 12 30 07 15.72 -43 38.6 2.785 3.291 112.6 16.0 22.4 2009 01 04 07 05.54 -43 50.4 2.839 3.353 113.4 15.6 22.5 2009 01 09 06 55.70 -43 50.4 2.898 3.415 113.8 15.3 22.6 2009 01 14 06 46.37 -43 39.7 2.962 3.476 113.7 15.0 22.8 2009 01 19 06 37.71 -43 19.3 3.030 3.537 113.3 14.8 22.9 2009 01 24 06 29.81 -42 50.6 3.104 3.597 112.5 14.7 23.0 2009 01 29 06 22.75 -42 14.9 3.182 3.657 111.3 14.5 23.1 2009 02 03 06 16.56 -41 33.7 3.264 3.716 109.8 14.4 23.3 2009 02 08 06 11.26 -40 48.4 3.350 3.775 108.1 14.4 23.4 2009 02 13 06 06.81 -40 00.0 3.439 3.834 106.2 14.3 23.5 2009 02 18 06 03.18 -39 09.7 3.531 3.892 104.1 14.3 23.6 2009 02 23 06 00.33 -38 18.4 3.625 3.950 101.9 14.2 23.8 2009 02 28 05 58.21 -37 26.9 3.722 4.007 99.5 14.1 23.9 2009 03 05 05 56.77 -36 35.9 3.821 4.064 97.1 14.0 24.0 2009 03 10 05 55.95 -35 46.0 3.921 4.121 94.6 13.9 24.1 2009 03 15 05 55.69 -34 57.7 4.022 4.177 92.0 13.8 24.2 2009 03 20 05 55.94 -34 11.3 4.123 4.233 89.5 13.6 24.3 2009 03 25 05 56.65 -33 27.1 4.225 4.289 86.9 13.4 24.5 2009 03 30 05 57.78 -32 45.4 4.327 4.344 84.4 13.2 24.6 2009 04 04 05 59.28 -32 06.4 4.428 4.399 81.9 13.0 24.7 2009 04 09 06 01.12 -31 30.1 4.529 4.454 79.4 12.8 24.8 2009 04 14 06 03.25 -30 56.8 4.629 4.509 76.9 12.5 24.9 2009 04 19 06 05.65 -30 26.4 4.727 4.563 74.5 12.2 25.0 2009 04 24 06 08.27 -29 59.0 4.824 4.617 72.2 12.0 25.1 2009 04 29 06 11.11 -29 34.6 4.919 4.671 70.0 11.7 25.2 2009 05 04 06 14.12 -29 13.4 5.012 4.724 67.8 11.4 25.2 2009 05 09 06 17.29 -28 55.1 5.103 4.777 65.7 11.1 25.3 2009 05 14 06 20.58 -28 40.0 5.191 4.830 63.8 10.8 25.4 2009 05 19 06 23.99 -28 27.8 5.277 4.883 61.9 10.5 25.5 2009 05 24 06 27.50 -28 18.6 5.360 4.935 60.2 10.3 25.6 2009 05 29 06 31.08 -28 12.4 5.440 4.987 58.6 10.0 25.7 2009 06 03 06 34.72 -28 09.1 5.517 5.039 57.1 9.7 25.7 2009 06 08 06 38.39 -28 08.8 5.592 5.090 55.8 9.5 25.8 2009 06 13 06 42.10 -28 11.2 5.662 5.142 54.6 9.3 25.9 2009 06 18 06 45.82 -28 16.5 5.730 5.193 53.6 9.1 25.9 2009 06 23 06 49.53 -28 24.5 5.795 5.244 52.9 8.9 26.0 2009 06 28 06 53.24 -28 35.2 5.856 5.294 52.2 8.7 26.1 2009 07 03 06 56.91 -28 48.6 5.913 5.345 51.8 8.6 26.1 2009 07 08 07 00.54 -29 04.5 5.967 5.395 51.6 8.5 26.2 2009 07 13 07 04.12 -29 23.0 6.018 5.445 51.6 8.4 26.3 2009 07 18 07 07.63 -29 44.0 6.065 5.495 51.8 8.4 26.3

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