P/1999 XB69 (LINEAR)
Orbital Elements
The following orbital elements are taken from MPC 56804:P/1999 XB69 (LINEAR) Epoch 2009 July 28.0 TT = JDT 2455040.5 T 2009 July 25.9078 TT MPC q 1.652123 (2000.0) P Q n 0.1041259 Peri. 220.3257 -0.4321130 -0.8815198 a 4.474695 Node 256.0529 +0.8696398 -0.3514572 e 0.630785 Incl. 11.3058 +0.2387570 -0.3152788 P 9.47 From 57 observations 1999 Nov. 14-2000 May 1, mean residual 0".5.Elements are also available for the current standard epoch:
P/1999 XB69 (LINEAR) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2009 July 25.8987 TT MPC q 1.652056 (2000.0) P Q n 0.1041171 Peri. 220.3234 -0.4320074 -0.8815726 a 4.474949 Node 256.0484 +0.8696849 -0.3513587 e 0.630821 Incl. 11.3058 +0.2387840 -0.3152408 P 9.47An 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 11 53.02 -08 00.0 2.680 1.910 31.9 16.0 21.9 2009 10 31 12 03.63 -09 16.2 2.679 1.935 33.9 16.6 22.0 2009 11 05 12 14.03 -10 30.4 2.675 1.962 36.0 17.3 22.0 2009 11 10 12 24.22 -11 42.6 2.671 1.989 38.2 17.9 22.1 2009 11 15 12 34.18 -12 52.6 2.665 2.016 40.4 18.5 22.1 2009 11 20 12 43.92 -14 00.3 2.657 2.045 42.8 19.2 22.1 2009 11 25 12 53.41 -15 05.6 2.647 2.073 45.2 19.7 22.2 2009 11 30 13 02.66 -16 08.4 2.635 2.103 47.7 20.3 22.2 2009 12 05 13 11.65 -17 08.7 2.622 2.133 50.4 20.8 22.3 2009 12 10 13 20.36 -18 06.3 2.606 2.163 53.1 21.3 22.3 2009 12 15 13 28.79 -19 01.4 2.588 2.193 55.9 21.8 22.3 2009 12 20 13 36.91 -19 53.8 2.568 2.224 58.8 22.2 22.4 2009 12 25 13 44.69 -20 43.5 2.546 2.256 61.8 22.6 22.4 2009 12 30 13 52.11 -21 30.4 2.523 2.287 65.0 22.9 22.4 2010 01 04 13 59.16 -22 14.6 2.497 2.319 68.2 23.2 22.4 2010 01 09 14 05.81 -22 56.1 2.469 2.351 71.6 23.4 22.4 2010 01 14 14 12.02 -23 34.8 2.440 2.383 75.0 23.5 22.4 2010 01 19 14 17.76 -24 10.7 2.409 2.416 78.6 23.5 22.4 2010 01 24 14 22.99 -24 43.8 2.377 2.448 82.3 23.5 22.4 2010 01 29 14 27.68 -25 14.0 2.344 2.481 86.1 23.3 22.4 2010 02 03 14 31.81 -25 41.3 2.311 2.514 90.1 23.1 22.4 2010 02 08 14 35.33 -26 05.5 2.277 2.547 94.2 22.7 22.4 2010 02 13 14 38.22 -26 26.7 2.242 2.580 98.5 22.2 22.4 2010 02 18 14 40.43 -26 44.6 2.209 2.613 102.9 21.6 22.4 2010 02 23 14 41.94 -26 59.1 2.176 2.646 107.4 20.9 22.3 2010 02 28 14 42.75 -27 09.9 2.144 2.679 112.1 20.0 22.3 2010 03 05 14 42.83 -27 17.1 2.114 2.712 116.9 19.0 22.3 2010 03 10 14 42.20 -27 20.2 2.087 2.745 121.9 17.9 22.2 2010 03 15 14 40.86 -27 19.1 2.063 2.778 127.1 16.6 22.2 2010 03 20 14 38.84 -27 13.6 2.042 2.811 132.3 15.2 22.1 2010 03 25 14 36.21 -27 03.5 2.026 2.844 137.7 13.7 22.1 2010 03 30 14 33.03 -26 49.0 2.015 2.877 143.1 12.0 22.0 2010 04 04 14 29.39 -26 29.9 2.009 2.910 148.6 10.3 22.0 2010 04 09 14 25.39 -26 06.5 2.009 2.943 154.0 8.6 21.9 2010 04 14 14 21.14 -25 39.2 2.016 2.975 159.3 6.8 21.9 2010 04 19 14 16.76 -25 08.4 2.029 3.008 164.2 5.2 21.9 2010 04 24 14 12.39 -24 34.8 2.050 3.040 168.0 3.9 21.8 2010 04 29 14 08.13 -23 59.2 2.077 3.073 169.6 3.4 21.9 2010 05 04 14 04.10 -23 22.2 2.112 3.105 168.1 3.8 21.9 2010 05 09 14 00.37 -22 44.8 2.154 3.138 164.4 5.0 22.1 2010 05 14 13 57.03 -22 07.8 2.202 3.170 159.7 6.3 22.2 2010 05 19 13 54.13 -21 31.8 2.258 3.202 154.7 7.8 22.3 2010 05 24 13 51.73 -20 57.5 2.320 3.234 149.6 9.1 22.5 2010 05 29 13 49.83 -20 25.5 2.387 3.266 144.5 10.4 22.6 2010 06 03 13 48.45 -19 56.2 2.460 3.297 139.4 11.5 22.8 2010 06 08 13 47.58 -19 29.7 2.538 3.329 134.4 12.6 22.9 2010 06 13 13 47.21 -19 06.4 2.621 3.360 129.5 13.5 23.0 2010 06 18 13 47.34 -18 46.2 2.708 3.392 124.8 14.2 23.1 2010 06 23 13 47.94 -18 29.3 2.798 3.423 120.1 14.9 23.2 2010 06 28 13 48.98 -18 15.5 2.891 3.454 115.5 15.4 23.3 2010 07 03 13 50.43 -18 04.7 2.987 3.485 111.1 15.8 23.4 2010 07 08 13 52.27 -17 56.9 3.085 3.515 106.7 16.1 23.5 2010 07 13 13 54.47 -17 51.8 3.185 3.546 102.4 16.3 23.6 2010 07 18 13 57.01 -17 49.2 3.286 3.577 98.3 16.3 23.7 2010 07 23 13 59.87 -17 49.1 3.388 3.607 94.1 16.3 23.8 2010 07 28 14 03.00 -17 51.1 3.491 3.637 90.1 16.2 23.9 2010 08 02 14 06.40 -17 55.1 3.593 3.667 86.1 16.0 24.0 2010 08 07 14 10.04 -18 00.8 3.696 3.697 82.2 15.8 24.0 2010 08 12 14 13.91 -18 08.3 3.797 3.727 78.3 15.4 24.1 2010 08 17 14 17.99 -18 17.1 3.898 3.756 74.5 15.1 24.2 2010 08 22 14 22.25 -18 27.2 3.998 3.786 70.7 14.6 24.2 2010 08 27 14 26.69 -18 38.4 4.096 3.815 66.9 14.1 24.3 2010 09 01 14 31.28 -18 50.6 4.192 3.844 63.2 13.6 24.3 2010 09 06 14 36.02 -19 03.5 4.286 3.873 59.5 13.0 24.4 2010 09 11 14 40.89 -19 17.2 4.378 3.902 55.8 12.3 24.4 2010 09 16 14 45.88 -19 31.3 4.467 3.931 52.2 11.7 24.4 2010 09 21 14 50.98 -19 45.9 4.553 3.960 48.5 10.9 24.5 2010 09 26 14 56.17 -20 00.7 4.636 3.988 44.9 10.2 24.5 2010 10 01 15 01.45 -20 15.7 4.715 4.016 41.2 9.5 24.5 2010 10 06 15 06.81 -20 30.9 4.791 4.044 37.6 8.7 24.5 2010 10 11 15 12.23 -20 45.9 4.862 4.072 33.9 7.9 24.5 2010 10 16 15 17.71 -21 00.9 4.930 4.100 30.3 7.0 24.5 2010 10 21 15 23.24 -21 15.7 4.993 4.128 26.7 6.2 24.6 2010 10 26 15 28.79 -21 30.2 5.052 4.155 23.0 5.4 24.5 2010 10 31 15 34.38 -21 44.4 5.107 4.183 19.4 4.5 24.5 2010 11 05 15 39.98 -21 58.2 5.156 4.210 15.7 3.7 24.5 2010 11 10 15 45.58 -22 11.5 5.201 4.237 12.0 2.8 24.5 2010 11 15 15 51.18 -22 24.2 5.240 4.264 8.4 1.9 24.5 2010 11 20 15 56.77 -22 36.5 5.274 4.291 4.9 1.1 24.4 2010 11 25 16 02.32 -22 48.0 5.304 4.317 2.2 0.5 24.4 2010 11 30 16 07.84 -22 59.0 5.328 4.344 3.8 0.9 24.5This 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.
