P/2009 SK280 (Spacewatch-Hill) T 2009 May 25.2595 TT MPC q 4.198841 (2000.0) P Q n 0.0944353 Peri. 328.3811 +0.9832135 -0.0620254 a 4.775803 Node 36.4147 +0.1535106 +0.7895179 e 0.120809 Incl. 16.8016 -0.0986188 +0.6105853 P 10.4 From 59 observations 2009 Sept. 17-Nov. 21.An 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 m2 2009 11 25 01 11.02 +03 56.9 3.476 4.233 135.1 9.5 20.0 2009 11 30 01 09.64 +04 05.2 3.535 4.234 129.8 10.3 20.0 2009 12 05 01 08.65 +04 15.6 3.599 4.236 124.6 11.0 20.1 2009 12 10 01 08.04 +04 27.9 3.666 4.238 119.4 11.7 20.1 2009 12 15 01 07.82 +04 42.2 3.738 4.240 114.4 12.2 20.1 2009 12 20 01 08.00 +04 58.5 3.812 4.242 109.5 12.6 20.2 2009 12 25 01 08.55 +05 16.5 3.888 4.244 104.6 13.0 20.2 2009 12 30 01 09.48 +05 36.4 3.966 4.246 99.9 13.2 20.3 2010 01 04 01 10.76 +05 57.9 4.045 4.248 95.2 13.3 20.3 2010 01 09 01 12.37 +06 20.9 4.124 4.251 90.6 13.4 20.4 2010 01 14 01 14.32 +06 45.3 4.204 4.253 86.1 13.3 20.4 2010 01 19 01 16.57 +07 11.1 4.284 4.255 81.7 13.2 20.4 2010 01 24 01 19.12 +07 38.2 4.362 4.257 77.4 13.0 20.5 2010 01 29 01 21.93 +08 06.3 4.440 4.260 73.1 12.8 20.5 2010 02 03 01 25.00 +08 35.4 4.516 4.262 68.9 12.5 20.6 2010 02 08 01 28.30 +09 05.4 4.590 4.265 64.8 12.1 20.6 2010 02 13 01 31.83 +09 36.2 4.662 4.267 60.8 11.6 20.6 2010 02 18 01 35.56 +10 07.7 4.731 4.270 56.8 11.2 20.7 2010 02 23 01 39.48 +10 39.7 4.797 4.272 52.8 10.6 20.7 2010 02 28 01 43.58 +11 12.3 4.860 4.275 48.9 10.1 20.7 2010 03 05 01 47.83 +11 45.2 4.920 4.278 45.1 9.4 20.8 2010 03 10 01 52.24 +12 18.5 4.976 4.280 41.3 8.8 20.8 2010 03 15 01 56.78 +12 52.0 5.029 4.283 37.5 8.1 20.8 2010 03 20 02 01.44 +13 25.6 5.077 4.286 33.8 7.4 20.8 2010 03 25 02 06.22 +13 59.3 5.122 4.289 30.1 6.7 20.9 2010 06 23 03 40.22 +23 16.8 5.159 4.346 33.3 7.4 20.9 2010 06 28 03 45.27 +23 43.0 5.120 4.349 36.8 8.1 20.9 2010 07 03 03 50.23 +24 08.6 5.077 4.353 40.4 8.7 20.9 2010 07 08 03 55.09 +24 33.6 5.030 4.356 44.0 9.3 20.9 2010 07 13 03 59.82 +24 58.2 4.980 4.360 47.6 9.9 20.9 2010 07 18 04 04.42 +25 22.2 4.927 4.363 51.3 10.5 20.9 2010 07 23 04 08.87 +25 45.7 4.870 4.367 55.0 11.0 20.8 2010 07 28 04 13.14 +26 08.7 4.811 4.371 58.7 11.5 20.8 2010 08 02 04 17.24 +26 31.3 4.749 4.375 62.5 11.9 20.8 2010 08 07 04 21.13 +26 53.5 4.685 4.378 66.4 12.3 20.8 2010 08 12 04 24.80 +27 15.4 4.619 4.382 70.3 12.6 20.7 2010 08 17 04 28.21 +27 36.9 4.551 4.386 74.3 12.8 20.7 2010 08 22 04 31.37 +27 58.1 4.481 4.390 78.3 13.0 20.7 2010 08 27 04 34.23 +28 19.0 4.411 4.394 82.4 13.2 20.7 2010 09 01 04 36.79 +28 39.6 4.340 4.397 86.6 13.2 20.6 2010 09 06 04 39.02 +29 00.0 4.268 4.401 90.9 13.2 20.6 2010 09 11 04 40.88 +29 20.2 4.197 4.405 95.3 13.2 20.6 2010 09 16 04 42.37 +29 40.1 4.126 4.409 99.7 13.0 20.5 2010 09 21 04 43.47 +29 59.6 4.057 4.413 104.3 12.7 20.5 2010 09 26 04 44.15 +30 18.9 3.989 4.417 108.9 12.4 20.5 2010 10 01 04 44.40 +30 37.7 3.923 4.421 113.7 12.0 20.4 2010 10 06 04 44.20 +30 56.0 3.860 4.425 118.5 11.5 20.4 2010 10 11 04 43.55 +31 13.6 3.800 4.429 123.4 10.8 20.4 2010 10 16 04 42.45 +31 30.5 3.744 4.434 128.4 10.1 20.3 2010 10 21 04 40.91 +31 46.3 3.693 4.438 133.5 9.4 20.3 2010 10 26 04 38.94 +32 01.1 3.646 4.442 138.7 8.5 20.3 2010 10 31 04 36.57 +32 14.5 3.605 4.446 143.9 7.6 20.3 2010 11 05 04 33.82 +32 26.5 3.570 4.450 149.1 6.6 20.2 2010 11 10 04 30.75 +32 36.7 3.542 4.454 154.2 5.6 20.2 2010 11 15 04 27.41 +32 45.1 3.521 4.459 159.1 4.5 20.2 2010 11 20 04 23.87 +32 51.6 3.506 4.463 163.6 3.6 20.2 2010 11 25 04 20.20 +32 56.1 3.500 4.467 167.0 2.8 20.2 2010 11 30 04 16.47 +32 58.7 3.501 4.472 168.5 2.5 20.2 2010 12 05 04 12.76 +32 59.3 3.509 4.476 167.2 2.8 20.2 2010 12 10 04 09.16 +32 58.3 3.526 4.480 163.9 3.5 20.2 2010 12 15 04 05.73 +32 55.7 3.550 4.485 159.4 4.4 20.3 2010 12 20 04 02.54 +32 51.8 3.581 4.489 154.5 5.4 20.3 2010 12 25 03 59.66 +32 47.0 3.619 4.493 149.3 6.4 20.3 2010 12 30 03 57.13 +32 41.5 3.664 4.498 144.1 7.4 20.3