C/2008 E1 (Catalina)
Orbital Elements
The following orbital elements are taken from MPC 64113:C/2008 E1 (Catalina) Epoch 2008 Aug. 2.0 TT = JDT 2454680.5 T 2008 Aug. 11.9208 TT MPC q 4.828979 (2000.0) P Q n 0.0282173 Peri. 269.9917 -0.1283696 -0.9876242 a 10.685430 Node 189.0302 +0.9702925 -0.1438641 e 0.548078 Incl. 35.0372 -0.2050702 -0.0624629 P 34.9 From 89 observations 2007 Nov. 13-2008 Oct. 8, mean residual 0".6.Elements are also available for the current standard epoch:
C/2008 E1 (Catalina) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2008 Aug. 11.7607 TT MPC q 4.828423 (2000.0) P Q n 0.0281643 Peri. 269.9825 -0.1278726 -0.9877082 a 10.698838 Node 189.0071 +0.9703404 -0.1433409 e 0.548696 Incl. 35.0439 -0.2051538 -0.0623372 P 35.0An 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 m2WARNING! 2010 01 24 10 33.55 -15 02.4 4.960 5.679 133.2 7.3 18.0 2010 01 29 10 32.09 -14 52.0 4.925 5.694 137.8 6.7 18.0 2010 02 03 10 30.47 -14 38.7 4.896 5.708 142.3 6.1 18.0 2010 02 08 10 28.70 -14 22.6 4.873 5.722 146.6 5.4 18.0 2010 02 13 10 26.83 -14 03.6 4.856 5.736 150.6 4.9 18.0 2010 02 18 10 24.89 -13 42.0 4.846 5.751 154.0 4.3 18.0 2010 02 23 10 22.91 -13 18.0 4.843 5.765 156.7 3.9 18.0 2010 02 28 10 20.95 -12 51.9 4.848 5.780 158.3 3.6 18.0 2010 03 05 10 19.04 -12 23.9 4.860 5.794 158.6 3.6 18.1 2010 03 10 10 17.21 -11 54.4 4.879 5.809 157.5 3.8 18.1 2010 03 15 10 15.49 -11 23.7 4.906 5.824 155.2 4.1 18.1 2010 03 20 10 13.93 -10 52.2 4.940 5.839 152.1 4.6 18.1 2010 03 25 10 12.56 -10 20.2 4.981 5.853 148.4 5.1 18.2 2010 03 30 10 11.38 -09 48.2 5.029 5.868 144.3 5.7 18.2 2010 04 04 10 10.43 -09 16.3 5.083 5.883 139.9 6.3 18.2 2010 04 09 10 09.71 -08 45.1 5.143 5.898 135.4 6.8 18.3 2010 04 14 10 09.24 -08 14.7 5.208 5.913 130.9 7.4 18.3 2010 04 19 10 09.03 -07 45.3 5.279 5.929 126.3 7.8 18.3 2010 04 24 10 09.07 -07 17.4 5.354 5.944 121.7 8.3 18.4 2010 04 29 10 09.38 -06 50.9 5.433 5.959 117.1 8.7 18.4 2010 05 04 10 09.93 -06 26.1 5.515 5.974 112.5 9.0 18.5 2010 05 09 10 10.73 -06 03.0 5.600 5.990 108.0 9.2 18.5 2010 05 14 10 11.78 -05 41.8 5.688 6.005 103.5 9.4 18.6 2010 05 19 10 13.06 -05 22.5 5.778 6.021 99.1 9.6 18.6 2010 05 24 10 14.56 -05 05.1 5.868 6.036 94.7 9.6 18.7 2010 05 29 10 16.27 -04 49.7 5.960 6.052 90.4 9.6 18.7 2010 06 03 10 18.19 -04 36.3 6.052 6.067 86.1 9.6 18.7 2010 06 08 10 20.28 -04 24.7 6.144 6.083 81.8 9.5 18.8 2010 06 13 10 22.56 -04 15.1 6.235 6.099 77.6 9.4 18.8 2010 06 18 10 25.00 -04 07.3 6.325 6.114 73.5 9.2 18.9 2010 06 23 10 27.59 -04 01.3 6.414 6.130 69.4 8.9 18.9 2010 06 28 10 30.33 -03 57.0 6.501 6.146 65.3 8.6 19.0 2010 07 03 10 33.18 -03 54.4 6.585 6.162 61.3 8.3 19.0 2010 07 08 10 36.16 -03 53.3 6.667 6.178 57.3 8.0 19.0 2010 07 13 10 39.24 -03 53.8 6.747 6.194 53.4 7.6 19.1 2010 07 18 10 42.42 -03 55.7 6.823 6.210 49.4 7.1 19.1 2010 07 23 10 45.68 -03 59.0 6.895 6.226 45.5 6.7 19.1 2010 07 28 10 49.02 -04 03.5 6.964 6.242 41.7 6.2 19.2 2010 08 02 10 52.41 -04 09.2 7.029 6.258 37.8 5.7 19.2 2010 08 07 10 55.87 -04 16.0 7.089 6.274 34.0 5.2 19.2 2010 08 12 10 59.37 -04 23.9 7.145 6.291 30.3 4.7 19.3 2010 08 17 11 02.91 -04 32.7 7.196 6.307 26.5 4.1 19.3 2010 08 22 11 06.48 -04 42.4 7.243 6.323 22.9 3.6 19.3 2010 08 27 11 10.06 -04 52.8 7.284 6.339 19.3 3.0 19.3 2010 09 01 11 13.65 -05 03.9 7.320 6.356 15.9 2.5 19.4 2010 09 06 11 17.25 -05 15.7 7.351 6.372 12.8 2.0 19.4 2010 09 11 11 20.85 -05 28.0 7.377 6.388 10.3 1.6 19.4 2010 09 16 11 24.42 -05 40.7 7.397 6.405 8.8 1.4 19.4 2010 09 21 11 27.98 -05 53.8 7.411 6.421 9.0 1.4 19.4 2010 09 26 11 31.50 -06 07.1 7.420 6.438 10.8 1.7 19.4 2010 10 01 11 34.98 -06 20.6 7.423 6.454 13.6 2.1 19.5 2010 10 06 11 38.41 -06 34.3 7.421 6.471 16.9 2.6 19.5 2010 10 11 11 41.78 -06 47.9 7.413 6.487 20.5 3.1 19.5 2010 10 16 11 45.09 -07 01.5 7.400 6.504 24.2 3.6 19.5 2010 10 21 11 48.31 -07 14.9 7.382 6.521 28.1 4.1 19.5 2010 10 26 11 51.45 -07 28.1 7.358 6.537 32.1 4.6 19.5 2010 10 31 11 54.50 -07 40.9 7.329 6.554 36.2 5.1 19.5 2010 11 05 11 57.43 -07 53.2 7.295 6.571 40.3 5.6 19.5 2010 11 10 12 00.25 -08 05.1 7.257 6.587 44.5 6.1 19.5 2010 11 15 12 02.94 -08 16.3 7.214 6.604 48.8 6.5 19.5 2010 11 20 12 05.49 -08 26.7 7.167 6.621 53.1 6.9 19.5 2010 11 25 12 07.90 -08 36.4 7.116 6.638 57.5 7.2 19.5 2010 11 30 12 10.14 -08 45.1 7.062 6.655 61.9 7.5 19.5 2010 12 05 12 12.21 -08 52.8 7.004 6.671 66.4 7.8 19.5 2010 12 10 12 14.10 -08 59.4 6.944 6.688 71.0 8.0 19.5 2010 12 15 12 15.80 -09 04.7 6.882 6.705 75.6 8.2 19.5 2010 12 20 12 17.30 -09 08.8 6.818 6.722 80.3 8.3 19.4 2010 12 25 12 18.59 -09 11.5 6.753 6.739 85.0 8.4 19.4 2010 12 30 12 19.66 -09 12.6 6.687 6.756 89.8 8.4 19.4 2011 01 04 12 20.51 -09 12.3 6.621 6.773 94.7 8.3 19.4 2011 01 09 12 21.13 -09 10.2 6.555 6.790 99.7 8.2 19.4 2011 01 14 12 21.52 -09 06.5 6.491 6.807 104.7 8.0 19.4 2011 01 19 12 21.67 -09 01.1 6.429 6.824 109.7 7.8 19.4 2011 01 24 12 21.59 -08 53.8 6.369 6.841 114.8 7.5 19.4 2011 01 29 12 21.29 -08 44.8 6.312 6.858 120.0 7.1 19.4 2011 02 03 12 20.76 -08 33.9 6.259 6.875 125.3 6.7 19.4 2011 02 08 12 20.01 -08 21.3 6.210 6.892 130.6 6.2 19.3 2011 02 13 12 19.07 -08 07.0 6.166 6.909 135.9 5.7 19.3 2011 02 18 12 17.94 -07 51.0 6.128 6.926 141.3 5.1 19.3 2011 02 23 12 16.65 -07 33.5 6.096 6.943 146.7 4.5 19.3 2011 02 28 12 15.21 -07 14.6 6.070 6.961 152.1 3.8 19.3This 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.
