MPC
CBAT
ICQ
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 2007 Apr. 10.0 TT = JDT 2454200.5 T 2008 Nov. 13.4526 TT MPC q 3.302978 (2000.0) P Q n 0.1151997 Peri. 161.7726 +0.0471879 -0.9953101 a 4.183134 Node 285.4562 +0.9052141 +0.0783529 e 0.210406 Incl. 5.0264 +0.4223278 -0.0567322 P 8.56An 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! 2007 05 30 00 45.80 +09 37.3 4.435 3.926 54.0 12.1 20.4 2007 06 04 00 50.23 +10 09.5 4.366 3.917 57.5 12.6 20.4 2007 06 09 00 54.51 +10 41.0 4.295 3.908 61.1 13.1 20.4 2007 06 14 00 58.64 +11 11.6 4.222 3.899 64.8 13.6 20.4 2007 06 19 01 02.60 +11 41.2 4.146 3.890 68.4 14.1 20.3 2007 06 24 01 06.36 +12 09.8 4.069 3.881 72.2 14.4 20.3 2007 06 29 01 09.91 +12 37.2 3.991 3.872 75.9 14.8 20.3 2007 07 04 01 13.24 +13 03.4 3.911 3.863 79.8 15.0 20.2 2007 07 09 01 16.33 +13 28.3 3.831 3.854 83.7 15.2 20.2 2007 07 14 01 19.15 +13 51.8 3.750 3.845 87.6 15.3 20.1 2007 07 19 01 21.69 +14 13.7 3.669 3.836 91.7 15.4 20.1 2007 07 24 01 23.91 +14 34.0 3.589 3.827 95.8 15.3 20.0 2007 07 29 01 25.81 +14 52.6 3.508 3.818 100.0 15.2 20.0 2007 08 03 01 27.37 +15 09.2 3.429 3.810 104.3 15.0 19.9 2007 08 08 01 28.55 +15 23.9 3.352 3.801 108.7 14.6 19.8 2007 08 13 01 29.35 +15 36.4 3.276 3.792 113.2 14.2 19.8 2007 08 18 01 29.74 +15 46.7 3.203 3.783 117.8 13.7 19.7 2007 08 23 01 29.72 +15 54.5 3.133 3.775 122.6 13.0 19.6 2007 08 28 01 29.28 +15 59.7 3.066 3.766 127.4 12.3 19.5 2007 09 02 01 28.43 +16 02.4 3.003 3.757 132.4 11.4 19.5 2007 09 07 01 27.16 +16 02.2 2.944 3.749 137.4 10.5 19.4 2007 09 12 01 25.49 +15 59.3 2.890 3.740 142.6 9.4 19.3 2007 09 17 01 23.44 +15 53.5 2.842 3.732 147.8 8.3 19.2 2007 09 22 01 21.06 +15 44.9 2.800 3.723 153.1 7.0 19.1 2007 09 27 01 18.39 +15 33.6 2.764 3.715 158.4 5.7 19.0 2007 10 02 01 15.49 +15 19.8 2.735 3.706 163.7 4.4 18.9 2007 10 07 01 12.41 +15 03.7 2.713 3.698 168.6 3.1 18.8 2007 10 12 01 09.23 +14 45.7 2.698 3.690 172.3 2.1 18.7 2007 10 17 01 06.03 +14 26.1 2.690 3.681 172.7 2.0 18.7 2007 10 22 01 02.88 +14 05.4 2.690 3.673 169.3 2.9 18.8 2007 10 27 00 59.87 +13 44.2 2.697 3.665 164.5 4.2 18.9 2007 11 01 00 57.06 +13 22.8 2.712 3.657 159.2 5.5 18.9 2007 11 06 00 54.52 +13 01.9 2.733 3.649 153.7 6.9 19.0 2007 11 11 00 52.30 +12 42.0 2.761 3.641 148.3 8.2 19.1 2007 11 16 00 50.46 +12 23.4 2.795 3.633 142.8 9.5 19.2 2007 11 21 00 49.03 +12 06.7 2.835 3.625 137.4 10.6 19.2 2007 11 26 00 48.03 +11 52.1 2.880 3.617 132.1 11.7 19.3 2007 12 01 00 47.49 +11 39.9 2.929 3.609 126.9 12.6 19.4 2007 12 06 00 47.41 +11 30.3 2.983 3.601 121.8 13.4 19.4 2007 12 11 00 47.79 +11 23.4 3.040 3.594 116.8 14.2 19.5 2007 12 16 00 48.63 +11 19.3 3.100 3.586 112.0 14.7 19.6 2007 12 21 00 49.92 +11 18.0 3.162 3.578 107.2 15.2 19.6 2007 12 26 00 51.64 +11 19.5 3.226 3.571 102.5 15.6 19.7 2007 12 31 00 53.78 +11 23.7 3.292 3.564 98.0 15.9 19.7 2008 01 05 00 56.30 +11 30.5 3.358 3.556 93.5 16.0 19.8 2008 01 10 00 59.21 +11 39.9 3.425 3.549 89.1 16.1 19.8 2008 01 15 01 02.47 +11 51.6 3.492 3.542 84.9 16.1 19.8 2008 01 20 01 06.07 +12 05.6 3.558 3.535 80.7 15.9 19.9 2008 01 25 01 09.98 +12 21.6 3.623 3.528 76.6 15.8 19.9 2008 01 30 01 14.18 +12 39.5 3.687 3.521 72.6 15.5 19.9 2008 02 04 01 18.66 +12 59.2 3.750 3.514 68.7 15.1 19.9 2008 02 09 01 23.40 +13 20.4 3.811 3.507 64.8 14.7 20.0 2008 02 14 01 28.39 +13 43.1 3.870 3.500 61.0 14.3 20.0 2008 02 19 01 33.60 +14 07.1 3.927 3.494 57.3 13.8 20.0 2008 02 24 01 39.02 +14 32.1 3.981 3.487 53.7 13.2 20.0 2008 02 29 01 44.63 +14 58.0 4.032 3.481 50.1 12.6 20.0 2008 03 05 01 50.43 +15 24.8 4.081 3.474 46.6 12.0 20.0 2008 03 10 01 56.41 +15 52.2 4.127 3.468 43.1 11.3 20.0 2008 03 15 02 02.54 +16 20.1 4.169 3.462 39.6 10.6 20.0 2008 03 20 02 08.83 +16 48.3 4.208 3.456 36.3 9.8 20.0 2008 03 25 02 15.26 +17 16.8 4.244 3.450 32.9 9.0 19.9 2008 03 30 02 21.82 +17 45.3 4.277 3.444 29.6 8.2 19.9 2008 04 04 02 28.50 +18 13.9 4.306 3.438 26.4 7.4 19.9 2008 04 09 02 35.30 +18 42.3 4.331 3.433 23.2 6.6 19.9 2008 04 14 02 42.20 +19 10.4 4.352 3.427 20.0 5.7 19.8 2008 04 19 02 49.20 +19 38.2 4.370 3.422 16.9 4.9 19.8 2008 04 24 02 56.29 +20 05.5 4.385 3.416 13.8 4.0 19.7 2008 04 29 03 03.46 +20 32.2 4.395 3.411 10.7 3.2 19.7 2008 05 04 03 10.71 +20 58.3 4.402 3.406 7.8 2.3 19.6 2008 05 09 03 18.03 +21 23.6 4.405 3.401 5.1 1.5 19.6 2008 05 14 03 25.40 +21 48.1 4.405 3.396 3.2 0.9 19.5 2008 05 19 03 32.83 +22 11.7 4.400 3.391 3.6 1.1 19.5 2008 05 24 03 40.30 +22 34.3 4.392 3.386 5.8 1.7 19.6 2008 05 29 03 47.80 +22 55.8 4.381 3.382 8.6 2.6 19.6 2008 06 03 03 55.34 +23 16.3 4.366 3.377 11.5 3.4 19.7 2008 06 08 04 02.88 +23 35.6 4.347 3.373 14.4 4.3 19.7 2008 06 13 04 10.44 +23 53.8 4.325 3.369 17.4 5.2 19.7 2008 06 18 04 17.99 +24 10.6 4.299 3.365 20.4 6.0 19.8 2008 06 23 04 25.53 +24 26.3 4.270 3.361 23.4 6.9 19.8 2008 06 28 04 33.04 +24 40.6 4.237 3.357 26.4 7.7 19.8 2008 07 03 04 40.52 +24 53.6 4.202 3.353 29.4 8.6 19.8This 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.