P/1999 XN120 (Catalina)
Orbital Elements
The following orbital elements are taken from MPC 54170:P/1999 XN120 (Catalina) Epoch 2008 Nov. 30.0 TT = JDT 2454800.5 T 2008 Nov. 12.5113 TT MPC q 3.304077 (2000.0) P Q n 0.1150477 Peri. 161.6110 +0.0501268 -0.9951664 a 4.186818 Node 285.4487 +0.9049837 +0.0810255 e 0.210838 Incl. 5.0263 +0.4224830 -0.0554869 P 8.57 From 66 observations 1999 Nov. 3-2000 Mar. 18, mean residual 0".6.Elements are also available for the current standard epoch:
P/1999 XN120 (Catalina) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2008 Nov. 12.3926 TT MPC q 3.303667 (2000.0) P Q n 0.1149879 Peri. 161.5865 +0.0506802 -0.9951398 a 4.188269 Node 285.4414 +0.9049459 +0.0815203 e 0.211209 Incl. 5.0250 +0.4224979 -0.0552372 P 8.57An 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 11 15.28 -00 41.1 3.012 3.758 133.5 10.9 19.5 2010 01 29 11 13.69 -00 39.6 2.968 3.767 138.9 9.9 19.4 2010 02 03 11 11.73 -00 35.3 2.930 3.775 144.4 8.7 19.3 2010 02 08 11 09.43 -00 28.2 2.898 3.784 150.0 7.5 19.2 2010 02 13 11 06.82 -00 18.6 2.872 3.793 155.5 6.2 19.2 2010 02 18 11 03.96 -00 06.7 2.853 3.802 161.1 4.8 19.1 2010 02 23 11 00.93 +00 07.3 2.841 3.810 166.5 3.5 19.0 2010 02 28 10 57.79 +00 22.8 2.837 3.819 171.4 2.2 18.9 2010 03 05 10 54.61 +00 39.5 2.840 3.828 174.2 1.5 18.9 2010 03 10 10 51.46 +00 57.0 2.851 3.837 172.1 2.0 18.9 2010 03 15 10 48.42 +01 14.9 2.869 3.846 167.4 3.2 19.0 2010 03 20 10 45.54 +01 32.6 2.895 3.855 162.1 4.5 19.1 2010 03 25 10 42.90 +01 49.8 2.928 3.864 156.7 5.9 19.2 2010 03 30 10 40.55 +02 06.1 2.967 3.873 151.3 7.1 19.3 2010 04 04 10 38.52 +02 21.1 3.013 3.882 145.9 8.3 19.4 2010 04 09 10 36.85 +02 34.5 3.065 3.891 140.6 9.4 19.5 2010 04 14 10 35.56 +02 46.2 3.122 3.900 135.4 10.4 19.6 2010 04 19 10 34.68 +02 56.0 3.184 3.909 130.3 11.3 19.7 2010 04 24 10 34.20 +03 03.6 3.250 3.918 125.3 12.1 19.8 2010 04 29 10 34.13 +03 09.0 3.320 3.927 120.4 12.8 19.8 2010 05 04 10 34.45 +03 12.2 3.393 3.936 115.6 13.4 19.9 2010 05 09 10 35.16 +03 13.2 3.469 3.945 111.0 13.8 20.0 2010 05 14 10 36.25 +03 11.9 3.548 3.954 106.4 14.2 20.0 2010 05 19 10 37.70 +03 08.5 3.628 3.963 102.0 14.5 20.1 2010 05 24 10 39.49 +03 02.8 3.709 3.972 97.6 14.6 20.2 2010 05 29 10 41.59 +02 55.1 3.791 3.981 93.4 14.7 20.2 2010 06 03 10 44.00 +02 45.4 3.873 3.990 89.2 14.7 20.3 2010 06 08 10 46.68 +02 33.7 3.955 3.999 85.2 14.6 20.3 2010 06 13 10 49.62 +02 20.2 4.037 4.008 81.2 14.5 20.4 2010 06 18 10 52.80 +02 04.9 4.118 4.018 77.2 14.3 20.4 2010 06 23 10 56.20 +01 47.9 4.198 4.027 73.4 14.0 20.4 2010 06 28 10 59.81 +01 29.3 4.277 4.036 69.6 13.7 20.5 2010 07 03 11 03.60 +01 09.2 4.354 4.045 65.8 13.3 20.5 2010 07 08 11 07.56 +00 47.7 4.429 4.054 62.1 12.8 20.5 2010 07 13 11 11.68 +00 24.9 4.501 4.063 58.5 12.3 20.5 2010 07 18 11 15.95 +00 00.7 4.572 4.072 54.8 11.8 20.6 2010 07 23 11 20.34 -00 24.5 4.639 4.081 51.3 11.2 20.6 2010 07 28 11 24.84 -00 50.9 4.704 4.090 47.7 10.6 20.6 2010 08 02 11 29.45 -01 18.2 4.765 4.099 44.2 9.9 20.6 2010 08 07 11 34.16 -01 46.4 4.824 4.108 40.7 9.3 20.6 2010 08 12 11 38.95 -02 15.5 4.878 4.117 37.2 8.6 20.6 2010 08 17 11 43.82 -02 45.4 4.929 4.126 33.8 7.8 20.6 2010 08 22 11 48.75 -03 16.0 4.977 4.135 30.3 7.1 20.6 2010 08 27 11 53.74 -03 47.1 5.020 4.144 26.9 6.3 20.6 2010 09 01 11 58.78 -04 18.8 5.060 4.153 23.5 5.6 20.6 2010 09 06 12 03.86 -04 50.9 5.095 4.162 20.1 4.8 20.5 2010 09 11 12 08.98 -05 23.4 5.125 4.171 16.7 4.0 20.5 2010 09 16 12 14.12 -05 56.3 5.152 4.180 13.3 3.2 20.5 2010 09 21 12 19.27 -06 29.4 5.174 4.189 10.1 2.4 20.4 2010 09 26 12 24.44 -07 02.6 5.191 4.198 7.0 1.7 20.4 2010 10 01 12 29.61 -07 35.9 5.204 4.207 4.6 1.1 20.4 2010 10 06 12 34.78 -08 09.3 5.212 4.215 4.2 1.0 20.4 2010 10 11 12 39.94 -08 42.6 5.215 4.224 6.3 1.5 20.4 2010 10 16 12 45.07 -09 15.8 5.214 4.233 9.3 2.2 20.5 2010 10 21 12 50.17 -09 48.8 5.208 4.242 12.7 2.9 20.5 2010 10 26 12 55.24 -10 21.5 5.197 4.250 16.1 3.7 20.6 2010 10 31 13 00.26 -10 53.9 5.181 4.259 19.7 4.5 20.6 2010 11 05 13 05.22 -11 26.0 5.161 4.268 23.3 5.3 20.6 2010 11 10 13 10.11 -11 57.5 5.136 4.277 26.9 6.0 20.7 2010 11 15 13 14.92 -12 28.5 5.107 4.285 30.6 6.8 20.7 2010 11 20 13 19.64 -12 59.0 5.073 4.294 34.4 7.5 20.7 2010 11 25 13 24.26 -13 28.7 5.035 4.302 38.2 8.2 20.7 2010 11 30 13 28.76 -13 57.7 4.993 4.311 42.0 8.8 20.8 2010 12 05 13 33.13 -14 26.0 4.947 4.320 45.9 9.4 20.8 2010 12 10 13 37.36 -14 53.3 4.897 4.328 49.8 10.0 20.8 2010 12 15 13 41.42 -15 19.8 4.844 4.337 53.8 10.6 20.8 2010 12 20 13 45.30 -15 45.2 4.788 4.345 57.9 11.1 20.8 2010 12 25 13 48.99 -16 09.5 4.728 4.353 62.0 11.5 20.8 2010 12 30 13 52.47 -16 32.8 4.666 4.362 66.1 11.9 20.8 2011 01 04 13 55.71 -16 54.8 4.602 4.370 70.3 12.2 20.8 2011 01 09 13 58.71 -17 15.5 4.535 4.379 74.6 12.5 20.7 2011 01 14 14 01.43 -17 34.9 4.467 4.387 79.0 12.7 20.7 2011 01 19 14 03.87 -17 52.9 4.398 4.395 83.4 12.8 20.7 2011 01 24 14 05.99 -18 09.3 4.328 4.403 87.9 12.9 20.7 2011 01 29 14 07.80 -18 24.2 4.258 4.412 92.5 12.9 20.6 2011 02 03 14 09.26 -18 37.4 4.188 4.420 97.1 12.8 20.6 2011 02 08 14 10.36 -18 48.8 4.118 4.428 101.9 12.6 20.6 2011 02 13 14 11.09 -18 58.4 4.050 4.436 106.7 12.3 20.5 2011 02 18 14 11.43 -19 06.0 3.984 4.444 111.6 11.9 20.5 2011 02 23 14 11.39 -19 11.7 3.920 4.452 116.6 11.5 20.4 2011 02 28 14 10.96 -19 15.2 3.860 4.460 121.7 10.9 20.4This 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.
