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 2009 June 18.0 TT = JDT 2455000.5 T 2008 Nov. 12.3966 TT MPC q 3.303955 (2000.0) P Q n 0.1150188 Peri. 161.5887 +0.0505194 -0.9951471 a 4.187518 Node 285.4484 +0.9049527 +0.0813796 e 0.210999 Incl. 5.0258 +0.4225025 -0.0553143 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! 2009 06 08 07 40.40 +20 08.1 4.187 3.422 36.3 10.1 19.9 2009 06 13 07 47.18 +19 48.5 4.232 3.427 33.1 9.3 19.9 2009 06 18 07 54.01 +19 27.6 4.275 3.433 30.0 8.5 19.9 2009 06 23 08 00.88 +19 05.6 4.314 3.438 26.9 7.7 19.9 2009 06 28 08 07.77 +18 42.3 4.350 3.444 23.8 6.8 19.9 2009 07 03 08 14.66 +18 17.9 4.382 3.450 20.7 6.0 19.9 2009 07 08 08 21.56 +17 52.4 4.411 3.456 17.7 5.1 19.8 2009 07 13 08 28.44 +17 25.7 4.436 3.462 14.6 4.3 19.8 2009 07 18 08 35.32 +16 58.0 4.458 3.468 11.6 3.4 19.8 2009 07 23 08 42.16 +16 29.3 4.476 3.474 8.6 2.5 19.7 2009 07 28 08 48.98 +15 59.6 4.490 3.481 5.6 1.6 19.7 2009 08 02 08 55.75 +15 29.0 4.500 3.487 2.9 0.8 19.6 2009 08 07 09 02.47 +14 57.5 4.507 3.494 2.0 0.6 19.6 2009 08 12 09 09.13 +14 25.2 4.510 3.500 4.3 1.3 19.7 2009 08 17 09 15.73 +13 52.1 4.509 3.507 7.3 2.1 19.7 2009 08 22 09 22.27 +13 18.4 4.504 3.514 10.3 3.0 19.8 2009 08 27 09 28.73 +12 44.1 4.496 3.521 13.4 3.8 19.9 2009 09 01 09 35.10 +12 09.2 4.483 3.528 16.6 4.7 19.9 2009 09 06 09 41.38 +11 34.0 4.467 3.535 19.8 5.5 19.9 2009 09 11 09 47.56 +10 58.3 4.447 3.542 23.0 6.4 20.0 2009 09 16 09 53.64 +10 22.3 4.423 3.549 26.2 7.2 20.0 2009 09 21 09 59.61 +09 46.2 4.395 3.556 29.5 8.0 20.0 2009 09 26 10 05.45 +09 09.9 4.364 3.564 32.9 8.8 20.1 2009 10 01 10 11.16 +08 33.7 4.330 3.571 36.2 9.5 20.1 2009 10 06 10 16.72 +07 57.5 4.291 3.579 39.6 10.3 20.1 2009 10 11 10 22.14 +07 21.6 4.250 3.586 43.1 11.0 20.1 2009 10 16 10 27.40 +06 45.9 4.205 3.594 46.6 11.6 20.1 2009 10 21 10 32.48 +06 10.6 4.157 3.602 50.2 12.3 20.1 2009 10 26 10 37.38 +05 35.9 4.106 3.609 53.8 12.8 20.1 2009 10 31 10 42.08 +05 01.9 4.052 3.617 57.5 13.4 20.1 2009 11 05 10 46.56 +04 28.6 3.996 3.625 61.3 13.9 20.1 2009 11 10 10 50.82 +03 56.2 3.938 3.633 65.1 14.3 20.1 2009 11 15 10 54.83 +03 24.9 3.877 3.641 69.0 14.7 20.1 2009 11 20 10 58.58 +02 54.7 3.814 3.649 73.0 15.0 20.1 2009 11 25 11 02.04 +02 25.9 3.750 3.657 77.0 15.3 20.0 2009 11 30 11 05.21 +01 58.6 3.685 3.665 81.2 15.4 20.0 2009 12 05 11 08.06 +01 32.8 3.619 3.673 85.4 15.5 20.0 2009 12 10 11 10.57 +01 08.9 3.552 3.682 89.7 15.5 19.9 2009 12 15 11 12.73 +00 46.9 3.486 3.690 94.2 15.4 19.9 2009 12 20 11 14.50 +00 27.0 3.419 3.698 98.7 15.2 19.9 2009 12 25 11 15.88 +00 09.5 3.354 3.707 103.3 15.0 19.8 2009 12 30 11 16.86 -00 05.7 3.290 3.715 108.1 14.6 19.8 2010 01 04 11 17.41 -00 18.4 3.228 3.724 113.0 14.1 19.7 2010 01 09 11 17.53 -00 28.3 3.169 3.732 117.9 13.5 19.6 2010 01 14 11 17.21 -00 35.5 3.113 3.741 123.0 12.7 19.6 2010 01 19 11 16.46 -00 39.8 3.060 3.749 128.2 11.9 19.5 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 20.5This 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.
