C/2009 K2 (Catalina)
Orbital Elements
The following orbital elements are taken from MPC 66703:C/2009 K2 (Catalina) Epoch 2010 Feb. 13.0 TT = JDT 2455240.5 T 2010 Feb. 7.5153 TT MPC q 3.246384 (2000.0) P Q z +0.000784 Peri. 147.6927 +0.2954910 +0.5738117 +/-0.000020 Node 123.8090 -0.9471503 +0.0714598 e 0.997454 Incl. 66.8204 +0.1248652 -0.8158638 From 412 observations 2009 May 18-Aug. 3, mean residual 0".5.Elements are also available for the current standard epoch:
C/2009 K2 (Catalina) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2010 Feb. 7.5039 TT MPC q 3.246389 (2000.0) P Q z +0.000804 Peri. 147.6901 +0.2954628 +0.5738168 +/-0.000020 Node 123.8086 -0.9471540 +0.0714104 e 0.997389 Incl. 66.8209 +0.1249041 -0.8158645An 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! 2009 10 26 17 13.83 +19 58.5 3.827 3.395 57.3 14.3 18.2 2009 10 31 17 20.40 +18 35.8 3.852 3.381 55.0 13.9 18.2 2009 11 05 17 27.08 +17 16.2 3.877 3.368 52.6 13.5 18.2 2009 11 10 17 33.87 +15 59.9 3.902 3.356 50.2 13.1 18.2 2009 11 15 17 40.76 +14 46.8 3.927 3.344 47.9 12.7 18.2 2009 11 20 17 47.73 +13 37.1 3.951 3.333 45.5 12.2 18.2 2009 11 25 17 54.76 +12 30.8 3.974 3.323 43.2 11.7 18.2 2009 11 30 18 01.85 +11 27.9 3.995 3.313 40.9 11.2 18.2 2009 12 05 18 08.98 +10 28.3 4.016 3.304 38.7 10.7 18.2 2009 12 10 18 16.13 +09 32.1 4.034 3.296 36.5 10.2 18.2 2009 12 15 18 23.31 +08 39.1 4.051 3.288 34.5 9.8 18.2 2009 12 20 18 30.48 +07 49.4 4.066 3.280 32.7 9.3 18.2 2009 12 25 18 37.65 +07 02.8 4.078 3.274 31.0 8.9 18.2 2009 12 30 18 44.79 +06 19.2 4.087 3.268 29.6 8.5 18.2 2010 01 04 18 51.90 +05 38.4 4.094 3.263 28.4 8.3 18.2 2010 01 09 18 58.97 +05 00.4 4.097 3.259 27.7 8.1 18.2 2010 01 14 19 05.98 +04 25.0 4.098 3.255 27.2 8.0 18.2 2010 01 19 19 12.93 +03 52.1 4.095 3.252 27.2 8.0 18.2 2010 01 24 19 19.79 +03 21.4 4.089 3.249 27.7 8.1 18.2 2010 01 29 19 26.57 +02 52.8 4.079 3.248 28.5 8.3 18.2 2010 02 03 19 33.24 +02 26.1 4.066 3.247 29.7 8.7 18.2 2010 02 08 19 39.81 +02 01.2 4.049 3.246 31.3 9.1 18.2 2010 02 13 19 46.25 +01 37.7 4.028 3.247 33.2 9.6 18.1 2010 02 18 19 52.56 +01 15.6 4.003 3.248 35.3 10.1 18.1 2010 02 23 19 58.73 +00 54.5 3.975 3.250 37.8 10.7 18.1 2010 02 28 20 04.73 +00 34.2 3.943 3.252 40.4 11.4 18.1 2010 03 05 20 10.57 +00 14.5 3.907 3.255 43.2 12.0 18.1 2010 03 10 20 16.24 -00 04.8 3.868 3.259 46.1 12.7 18.1 2010 03 15 20 21.71 -00 24.1 3.825 3.264 49.2 13.3 18.1 2010 03 20 20 26.98 -00 43.6 3.779 3.269 52.5 14.0 18.0 2010 03 25 20 32.03 -01 03.5 3.730 3.275 55.8 14.6 18.0 2010 03 30 20 36.84 -01 24.3 3.678 3.282 59.3 15.2 18.0 2010 04 04 20 41.41 -01 46.2 3.623 3.289 62.9 15.7 18.0 2010 04 09 20 45.72 -02 09.4 3.565 3.297 66.5 16.2 17.9 2010 04 14 20 49.76 -02 34.4 3.505 3.306 70.3 16.6 17.9 2010 04 19 20 53.49 -03 01.5 3.444 3.315 74.2 17.0 17.9 2010 04 24 20 56.91 -03 31.0 3.381 3.325 78.3 17.2 17.9 2010 04 29 21 00.00 -04 03.4 3.316 3.335 82.4 17.4 17.8 2010 05 04 21 02.73 -04 38.9 3.251 3.347 86.6 17.5 17.8 2010 05 09 21 05.10 -05 18.0 3.186 3.358 91.0 17.5 17.8 2010 05 14 21 07.07 -06 00.9 3.120 3.371 95.5 17.4 17.7 2010 05 19 21 08.62 -06 48.2 3.056 3.384 100.1 17.1 17.7 2010 05 24 21 09.74 -07 40.0 2.993 3.397 104.9 16.7 17.7 2010 05 29 21 10.41 -08 36.6 2.932 3.412 109.8 16.2 17.7 2010 06 03 21 10.61 -09 38.3 2.874 3.426 114.9 15.6 17.6 2010 06 08 21 10.33 -10 45.0 2.819 3.442 120.1 14.8 17.6 2010 06 13 21 09.55 -11 57.0 2.768 3.458 125.4 13.8 17.6 2010 06 18 21 08.27 -13 13.9 2.723 3.474 130.9 12.8 17.6 2010 06 23 21 06.49 -14 35.6 2.682 3.491 136.5 11.6 17.6 2010 06 28 21 04.24 -16 01.4 2.649 3.508 142.3 10.2 17.6 2010 07 03 21 01.53 -17 30.8 2.622 3.526 148.1 8.8 17.6 2010 07 08 20 58.39 -19 02.9 2.603 3.545 153.9 7.2 17.6 2010 07 13 20 54.87 -20 36.8 2.593 3.564 159.8 5.7 17.6 2010 07 18 20 51.03 -22 11.2 2.591 3.583 165.4 4.1 17.6 2010 07 23 20 46.95 -23 45.0 2.597 3.603 170.4 2.7 17.6 2010 07 28 20 42.70 -25 17.1 2.614 3.623 172.9 2.0 17.7 2010 08 02 20 38.37 -26 46.2 2.639 3.644 170.9 2.5 17.7 2010 08 07 20 34.05 -28 11.5 2.673 3.666 166.1 3.8 17.8 2010 08 12 20 29.83 -29 32.2 2.716 3.687 160.6 5.2 17.8 2010 08 17 20 25.81 -30 47.6 2.767 3.709 155.0 6.6 17.9 2010 08 22 20 22.07 -31 57.3 2.826 3.732 149.3 8.0 18.0 2010 08 27 20 18.69 -33 01.1 2.892 3.755 143.7 9.2 18.1 2010 09 01 20 15.72 -33 59.1 2.965 3.778 138.2 10.3 18.1 2010 09 06 20 13.22 -34 51.4 3.044 3.801 132.8 11.2 18.2 2010 09 11 20 11.22 -35 38.2 3.128 3.825 127.5 12.1 18.3 2010 09 16 20 09.75 -36 19.8 3.217 3.850 122.4 12.7 18.4 2010 09 21 20 08.83 -36 56.6 3.309 3.874 117.3 13.3 18.5 2010 09 26 20 08.44 -37 29.0 3.405 3.899 112.4 13.8 18.6 2010 10 01 20 08.59 -37 57.3 3.504 3.925 107.6 14.1 18.7 2010 10 06 20 09.26 -38 22.0 3.604 3.950 103.0 14.3 18.8 2010 10 11 20 10.45 -38 43.4 3.706 3.976 98.4 14.4 18.8 2010 10 16 20 12.12 -39 01.8 3.809 4.003 93.9 14.4 18.9 2010 10 21 20 14.25 -39 17.4 3.912 4.029 89.6 14.3 19.0 2010 10 26 20 16.81 -39 30.7 4.014 4.056 85.3 14.1 19.1 2010 10 31 20 19.77 -39 41.8 4.116 4.083 81.1 13.9 19.2 2010 11 05 20 23.12 -39 50.9 4.218 4.110 77.0 13.6 19.3 2010 11 10 20 26.82 -39 58.2 4.317 4.138 73.0 13.2 19.3 2010 11 15 20 30.84 -40 04.0 4.415 4.166 69.1 12.8 19.4 2010 11 20 20 35.16 -40 08.3 4.510 4.194 65.3 12.4 19.5 2010 11 25 20 39.75 -40 11.3 4.603 4.222 61.5 11.9 19.6 2010 11 30 20 44.58 -40 13.2 4.693 4.251 57.8 11.3 19.6This 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.
