MPC
CBAT
ICQ
C/2005 R4 (LINEAR) Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 T 2006 Mar. 8.0074 TT MPC q 5.188435 (2000.0) P Q z +0.000485 Peri. 6.8861 +0.5421509 +0.8031383 +/-0.000003 Node 63.7718 +0.7572118 -0.5944273 e 0.997484 Incl. 164.0128 +0.3642837 +0.0403125 From 386 observations 2005 Sept. 13-2006 Oct. 1, mean residual 0".6.Elements are also available for the current standard epoch:
C/2005 R4 (LINEAR) Epoch 2008 May 14.0 TT = JDT 2454600.5 T 2006 Mar. 7.2654 TT MPC q 5.186733 (2000.0) P Q z +0.000707 Peri. 6.8106 +0.5411393 +0.8038254 +/-0.000003 Node 63.7687 +0.7579672 -0.5934670 e 0.996334 Incl. 164.0135 +0.3642170 +0.0407641An 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.
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 m2WARNING! 2008 04 14 23 11.46 +09 57.8 8.419 7.610 34.1 4.2 20.4 2008 04 19 23 12.15 +10 09.1 8.396 7.635 38.4 4.7 20.4 2008 04 24 23 12.73 +10 20.2 8.367 7.660 42.8 5.1 20.5 2008 04 29 23 13.17 +10 31.1 8.333 7.685 47.2 5.5 20.5 2008 05 04 23 13.47 +10 41.8 8.294 7.710 51.7 5.9 20.5 2008 05 09 23 13.62 +10 52.1 8.250 7.735 56.2 6.2 20.5 2008 05 14 23 13.60 +11 01.9 8.203 7.760 60.8 6.5 20.5 2008 05 19 23 13.40 +11 11.1 8.151 7.785 65.4 6.8 20.5 2008 05 24 23 13.03 +11 19.6 8.097 7.810 70.1 7.0 20.5 2008 05 29 23 12.46 +11 27.3 8.040 7.835 74.8 7.2 20.5 2008 06 03 23 11.69 +11 34.2 7.981 7.860 79.5 7.3 20.5 2008 06 08 23 10.71 +11 40.0 7.921 7.886 84.3 7.4 20.5 2008 06 13 23 09.52 +11 44.7 7.860 7.911 89.2 7.4 20.5 2008 06 18 23 08.11 +11 48.3 7.800 7.936 94.0 7.3 20.5 2008 06 23 23 06.49 +11 50.5 7.740 7.962 99.0 7.2 20.5 2008 06 28 23 04.65 +11 51.3 7.681 7.987 103.9 7.1 20.5 2008 07 03 23 02.60 +11 50.6 7.625 8.013 108.9 6.9 20.4 2008 07 08 23 00.33 +11 48.3 7.571 8.038 114.0 6.6 20.4 2008 07 13 22 57.86 +11 44.4 7.521 8.064 119.0 6.3 20.4 2008 07 18 22 55.19 +11 38.8 7.475 8.089 124.1 6.0 20.4 2008 07 23 22 52.35 +11 31.4 7.435 8.115 129.2 5.6 20.4 2008 07 28 22 49.34 +11 22.2 7.400 8.140 134.2 5.1 20.5 2008 08 02 22 46.18 +11 11.2 7.371 8.166 139.2 4.7 20.5 2008 08 07 22 42.90 +10 58.5 7.349 8.192 144.1 4.2 20.5 2008 08 12 22 39.53 +10 44.1 7.334 8.217 148.8 3.7 20.5 2008 08 17 22 36.08 +10 28.1 7.327 8.243 153.2 3.2 20.5 2008 08 22 22 32.59 +10 10.6 7.328 8.269 157.0 2.7 20.5 2008 08 27 22 29.08 +09 51.7 7.338 8.294 160.0 2.4 20.5 2008 09 01 22 25.59 +09 31.6 7.356 8.320 161.8 2.2 20.5 2008 09 06 22 22.14 +09 10.5 7.383 8.346 161.8 2.2 20.6 2008 09 11 22 18.76 +08 48.5 7.418 8.372 160.1 2.3 20.6 2008 09 16 22 15.48 +08 25.9 7.462 8.398 157.2 2.7 20.6 2008 09 21 22 12.33 +08 02.9 7.515 8.424 153.3 3.1 20.6 2008 09 26 22 09.33 +07 39.7 7.575 8.450 148.9 3.5 20.7 2008 10 01 22 06.50 +07 16.4 7.644 8.476 144.1 4.0 20.7 2008 10 06 22 03.85 +06 53.4 7.719 8.502 139.2 4.4 20.7 2008 10 11 22 01.41 +06 30.8 7.802 8.527 134.2 4.8 20.8 2008 10 16 21 59.17 +06 08.9 7.891 8.554 129.0 5.2 20.8 2008 10 21 21 57.16 +05 47.6 7.985 8.580 123.9 5.5 20.8 2008 10 26 21 55.36 +05 27.3 8.084 8.606 118.7 5.8 20.9 2008 10 31 21 53.80 +05 07.9 8.187 8.632 113.5 6.1 20.9 2008 11 05 21 52.46 +04 49.7 8.294 8.658 108.4 6.2 21.0 2008 11 10 21 51.35 +04 32.7 8.404 8.684 103.2 6.4 21.0 2008 11 15 21 50.46 +04 17.0 8.515 8.710 98.1 6.5 21.1 2008 11 20 21 49.78 +04 02.7 8.628 8.736 93.0 6.5 21.1 2008 11 25 21 49.30 +03 49.6 8.741 8.762 88.0 6.5 21.1 2008 11 30 21 49.02 +03 38.0 8.854 8.788 83.0 6.4 21.2 2008 12 05 21 48.93 +03 27.8 8.966 8.815 78.0 6.3 21.2 2008 12 10 21 49.01 +03 18.9 9.076 8.841 73.1 6.1 21.3 2008 12 15 21 49.25 +03 11.4 9.185 8.867 68.2 5.9 21.3 2008 12 20 21 49.64 +03 05.3 9.290 8.893 63.4 5.7 21.3 2008 12 25 21 50.17 +03 00.5 9.392 8.920 58.6 5.4 21.4 2008 12 30 21 50.83 +02 56.9 9.490 8.946 53.9 5.1 21.4 2009 01 04 21 51.60 +02 54.6 9.583 8.972 49.2 4.8 21.4 2009 01 09 21 52.47 +02 53.5 9.672 8.998 44.6 4.4 21.5 2009 01 14 21 53.42 +02 53.4 9.755 9.025 40.1 4.0 21.5 2009 01 19 21 54.45 +02 54.5 9.832 9.051 35.7 3.6 21.5 2009 01 24 21 55.55 +02 56.6 9.903 9.077 31.4 3.2 21.6 2009 01 29 21 56.69 +02 59.6 9.968 9.104 27.3 2.8 21.6 2009 02 03 21 57.86 +03 03.5 10.026 9.130 23.4 2.5 21.6 2009 02 08 21 59.06 +03 08.3 10.078 9.157 19.9 2.1 21.6 2009 02 13 22 00.27 +03 13.7 10.122 9.183 17.0 1.8 21.7 2009 02 18 22 01.49 +03 19.9 10.160 9.209 15.1 1.6 21.7 2009 02 23 22 02.69 +03 26.7 10.191 9.236 14.5 1.5 21.7 2009 02 28 22 03.87 +03 34.0 10.214 9.262 15.3 1.6 21.7 2009 03 05 22 05.02 +03 41.8 10.230 9.289 17.4 1.8 21.7 2009 03 10 22 06.12 +03 50.0 10.239 9.315 20.4 2.1 21.7 2009 03 15 22 07.17 +03 58.6 10.242 9.341 23.9 2.5 21.8 2009 03 20 22 08.15 +04 07.3 10.238 9.368 27.7 2.8 21.8 2009 03 25 22 09.06 +04 16.3 10.227 9.394 31.8 3.2 21.8 2009 03 30 22 09.88 +04 25.4 10.211 9.421 36.0 3.6 21.8 2009 04 04 22 10.61 +04 34.5 10.188 9.447 40.3 3.9 21.8 2009 04 09 22 11.23 +04 43.5 10.160 9.474 44.7 4.3 21.8 2009 04 14 22 11.74 +04 52.4 10.126 9.500 49.1 4.6 21.8 2009 04 19 22 12.13 +05 01.1 10.088 9.527 53.6 4.9 21.8 2009 04 24 22 12.39 +05 09.6 10.046 9.553 58.2 5.1 21.8 2009 04 29 22 12.51 +05 17.6 9.999 9.580 62.7 5.4 21.8 2009 05 04 22 12.49 +05 25.3 9.949 9.606 67.4 5.6 21.8 2009 05 09 22 12.32 +05 32.3 9.897 9.633 72.0 5.7 21.8 2009 05 14 22 11.99 +05 38.8 9.842 9.659 76.7 5.8 21.8 2009 05 19 22 11.50 +05 44.7 9.785 9.686 81.4 5.9 21.8This 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.
