P/2009 Q1 (Hill)
Orbital Elements
The following orbital elements are taken from MPC 67147:P/2009 Q1 (Hill) Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2009 July 4.0743 TT MPC q 2.789047 (2000.0) P Q n 0.0754848 Peri. 157.9035 +0.8841212 +0.4665526 a 5.544933 Node 174.0906 -0.4572743 +0.8752165 e 0.497010 Incl. 14.4314 -0.0960724 +0.1277687 P 13.1 From 108 observations 2009 Aug. 16-Sept. 28, mean residual 0".8.Elements are also available for the current standard epoch:
P/2009 Q1 (Hill) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2009 July 3.8083 TT MPC q 2.788798 (2000.0) P Q n 0.0756966 Peri. 157.8435 +0.8836052 +0.4675276 a 5.534584 Node 174.0871 -0.4582472 +0.8747281 e 0.496114 Incl. 14.4382 -0.0961836 +0.1275487 P 13.0An 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 23 12.32 -07 32.4 2.133 2.908 133.5 14.4 17.8 2009 10 31 23 13.16 -07 49.0 2.194 2.918 128.6 15.4 17.9 2009 11 05 23 14.48 -08 01.1 2.259 2.928 123.8 16.3 17.9 2009 11 10 23 16.26 -08 08.7 2.327 2.939 119.1 17.1 18.0 2009 11 15 23 18.49 -08 12.1 2.399 2.951 114.6 17.7 18.1 2009 11 20 23 21.16 -08 11.3 2.473 2.962 110.2 18.2 18.2 2009 11 25 23 24.23 -08 06.7 2.549 2.974 105.8 18.6 18.3 2009 11 30 23 27.69 -07 58.4 2.627 2.987 101.6 18.9 18.3 2009 12 05 23 31.50 -07 46.9 2.707 2.999 97.5 19.0 18.4 2009 12 10 23 35.64 -07 32.2 2.787 3.012 93.5 19.0 18.5 2009 12 15 23 40.08 -07 14.7 2.869 3.026 89.6 19.0 18.6 2009 12 20 23 44.80 -06 54.5 2.951 3.039 85.7 18.8 18.7 2009 12 25 23 49.78 -06 32.0 3.032 3.053 81.9 18.6 18.8 2009 12 30 23 54.98 -06 07.4 3.114 3.068 78.2 18.3 18.8 2010 01 04 00 00.40 -05 40.8 3.195 3.082 74.5 17.9 18.9 2010 01 09 00 06.00 -05 12.6 3.276 3.097 70.9 17.5 19.0 2010 01 14 00 11.77 -04 42.9 3.355 3.112 67.4 17.0 19.1 2010 01 19 00 17.70 -04 11.8 3.433 3.127 63.9 16.4 19.1 2010 01 24 00 23.76 -03 39.7 3.510 3.143 60.4 15.8 19.2 2010 01 29 00 29.95 -03 06.6 3.585 3.159 57.0 15.2 19.3 2010 02 03 00 36.25 -02 32.9 3.658 3.175 53.6 14.5 19.3 2010 02 08 00 42.64 -01 58.5 3.729 3.191 50.3 13.8 19.4 2010 02 13 00 49.12 -01 23.7 3.798 3.207 47.0 13.0 19.5 2010 02 18 00 55.67 -00 48.6 3.864 3.224 43.8 12.2 19.5 2010 02 23 01 02.30 -00 13.4 3.928 3.241 40.6 11.4 19.6 2010 02 28 01 08.97 +00 21.7 3.989 3.258 37.4 10.6 19.6 2010 03 05 01 15.70 +00 56.8 4.048 3.276 34.2 9.8 19.7 2010 03 10 01 22.46 +01 31.5 4.103 3.293 31.1 9.0 19.7 2010 03 15 01 29.26 +02 05.9 4.155 3.311 28.0 8.1 19.8 2010 03 20 01 36.08 +02 39.8 4.204 3.329 25.0 7.3 19.8 2010 03 25 01 42.93 +03 13.0 4.250 3.347 22.0 6.4 19.9 2010 03 30 01 49.78 +03 45.6 4.292 3.365 19.1 5.6 19.9 2010 04 04 01 56.63 +04 17.3 4.331 3.383 16.3 4.8 20.0 2010 04 09 02 03.49 +04 48.1 4.367 3.402 13.6 4.0 20.0 2010 04 14 02 10.34 +05 18.0 4.399 3.420 11.2 3.3 20.1 2010 04 19 02 17.17 +05 46.7 4.427 3.439 9.2 2.7 20.1 2010 04 24 02 23.99 +06 14.3 4.451 3.458 7.9 2.3 20.1 2010 04 29 02 30.77 +06 40.7 4.472 3.477 7.8 2.3 20.2 2010 05 04 02 37.52 +07 05.8 4.489 3.496 8.8 2.5 20.2 2010 05 09 02 44.23 +07 29.5 4.502 3.516 10.7 3.1 20.2 2010 05 14 02 50.88 +07 51.9 4.512 3.535 13.1 3.7 20.3 2010 05 19 02 57.48 +08 12.7 4.518 3.554 15.7 4.4 20.3 2010 05 24 03 04.02 +08 32.1 4.519 3.574 18.6 5.2 20.3 2010 05 29 03 10.47 +08 49.8 4.518 3.594 21.5 5.9 20.3 2010 06 03 03 16.85 +09 06.0 4.512 3.614 24.5 6.7 20.4 2010 06 08 03 23.13 +09 20.6 4.503 3.633 27.5 7.4 20.4 2010 06 13 03 29.31 +09 33.5 4.490 3.653 30.6 8.1 20.4 2010 06 18 03 35.37 +09 44.7 4.474 3.673 33.8 8.8 20.4 2010 06 23 03 41.31 +09 54.2 4.454 3.694 37.0 9.5 20.4 2010 06 28 03 47.11 +10 01.9 4.431 3.714 40.2 10.2 20.4 2010 07 03 03 52.77 +10 08.0 4.405 3.734 43.5 10.8 20.4 2010 07 08 03 58.26 +10 12.2 4.375 3.754 46.9 11.4 20.5 2010 07 13 04 03.58 +10 14.8 4.343 3.775 50.3 12.0 20.5 2010 07 18 04 08.71 +10 15.5 4.307 3.795 53.7 12.5 20.5 2010 07 23 04 13.64 +10 14.5 4.269 3.816 57.2 12.9 20.5 2010 07 28 04 18.34 +10 11.8 4.228 3.836 60.8 13.4 20.5 2010 08 02 04 22.81 +10 07.4 4.185 3.857 64.4 13.7 20.5 2010 08 07 04 27.03 +10 01.3 4.140 3.877 68.1 14.0 20.5 2010 08 12 04 30.98 +09 53.6 4.092 3.898 71.9 14.3 20.5 2010 08 17 04 34.65 +09 44.2 4.044 3.919 75.7 14.5 20.5 2010 08 22 04 38.00 +09 33.3 3.994 3.939 79.6 14.6 20.5 2010 08 27 04 41.04 +09 20.9 3.943 3.960 83.6 14.7 20.5 2010 09 01 04 43.73 +09 07.0 3.891 3.981 87.7 14.7 20.5 2010 09 06 04 46.07 +08 51.8 3.839 4.002 91.9 14.6 20.4 2010 09 11 04 48.04 +08 35.4 3.788 4.022 96.2 14.4 20.4 2010 09 16 04 49.61 +08 17.7 3.737 4.043 100.5 14.2 20.4 2010 09 21 04 50.78 +07 59.1 3.687 4.064 105.0 13.8 20.4 2010 09 26 04 51.53 +07 39.7 3.639 4.085 109.5 13.4 20.4 2010 10 01 04 51.87 +07 19.5 3.593 4.106 114.2 12.9 20.4 2010 10 06 04 51.79 +06 58.8 3.550 4.127 118.9 12.2 20.4 2010 10 11 04 51.28 +06 37.8 3.510 4.148 123.7 11.6 20.4 2010 10 16 04 50.36 +06 16.8 3.474 4.168 128.5 10.8 20.4 2010 10 21 04 49.04 +05 56.0 3.442 4.189 133.4 9.9 20.4 2010 10 26 04 47.35 +05 35.6 3.416 4.210 138.3 9.0 20.4 2010 10 31 04 45.30 +05 15.9 3.394 4.231 143.2 8.1 20.4 2010 11 05 04 42.95 +04 57.3 3.379 4.252 147.9 7.1 20.4 2010 11 10 04 40.33 +04 40.0 3.370 4.273 152.4 6.2 20.4 2010 11 15 04 37.50 +04 24.3 3.369 4.294 156.4 5.3 20.5 2010 11 20 04 34.51 +04 10.4 3.374 4.314 159.7 4.6 20.5 2010 11 25 04 31.43 +03 58.6 3.386 4.335 161.8 4.1 20.5 2010 11 30 04 28.32 +03 49.0 3.406 4.356 162.2 4.0 20.6This 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.
