MPC
CBAT
ICQ
91P/Russell
Epoch 2005 July 9.0 TT = JDT 2453560.5
T 2005 June 26.8113 TT MPC
q 2.601910 (2000.0) P Q
n 0.1285607 Peri. 354.6991 -0.4576824 +0.8600203
a 3.888038 Node 247.8971 -0.8065387 -0.5083727
e 0.330791 Incl. 14.0924 -0.3741953 +0.0438439
P 7.67
From 202 observations 1983-2005, mean residual 0".7. Nongravitational
parameters A1 = +5.62, A2 = +0.5510.
Elements are also available for the current standard epoch:
91P/Russell Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 T 2005 June 27.0240 TT MPC q 2.603207 (2000.0) P Q n 0.1285369 Peri. 354.7826 -0.4564989 +0.8606481 a 3.888519 Node 247.8926 -0.8072452 -0.5072631 e 0.330540 Incl. 14.0931 -0.3741177 +0.0443731 P 7.67An 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 55.37 +17 27.9 4.879 4.290 49.5 10.3 20.4 24.3 2007 06 04 00 59.27 +17 56.6 4.835 4.303 53.1 10.9 20.4 24.3 2007 06 09 01 03.00 +18 24.5 4.787 4.315 56.8 11.3 20.4 24.3 2007 06 14 01 06.53 +18 51.6 4.736 4.327 60.5 11.8 20.4 24.3 2007 06 19 01 09.86 +19 17.8 4.682 4.339 64.3 12.2 20.4 24.3 2007 06 24 01 12.96 +19 42.9 4.626 4.351 68.1 12.5 20.4 24.3 2007 06 29 01 15.82 +20 06.9 4.568 4.363 72.0 12.8 20.4 24.3 2007 07 04 01 18.43 +20 29.8 4.509 4.375 76.0 13.0 20.4 24.2 2007 07 09 01 20.77 +20 51.4 4.447 4.387 80.0 13.2 20.4 24.2 2007 07 14 01 22.81 +21 11.5 4.385 4.399 84.1 13.3 20.4 24.2 2007 07 19 01 24.55 +21 30.2 4.322 4.410 88.3 13.3 20.3 24.2 2007 07 24 01 25.97 +21 47.2 4.258 4.422 92.6 13.3 20.3 24.1 2007 07 29 01 27.06 +22 02.5 4.195 4.434 96.9 13.1 20.3 24.1 2007 08 03 01 27.79 +22 15.8 4.133 4.445 101.3 12.9 20.3 24.1 2007 08 08 01 28.17 +22 27.2 4.071 4.456 105.9 12.6 20.3 24.0 2007 08 13 01 28.18 +22 36.3 4.011 4.468 110.5 12.3 20.3 24.0 2007 08 18 01 27.81 +22 43.0 3.954 4.479 115.2 11.8 20.3 24.0 2007 08 23 01 27.06 +22 47.3 3.899 4.490 119.9 11.3 20.2 23.9 2007 08 28 01 25.95 +22 48.9 3.847 4.501 124.8 10.6 20.2 23.9 2007 09 02 01 24.49 +22 47.7 3.799 4.512 129.7 9.9 20.2 23.8 2007 09 07 01 22.68 +22 43.7 3.756 4.523 134.7 9.1 20.2 23.8 2007 09 12 01 20.56 +22 36.8 3.718 4.533 139.8 8.2 20.2 23.7 2007 09 17 01 18.15 +22 26.8 3.685 4.544 144.8 7.3 20.2 23.7 2007 09 22 01 15.51 +22 14.0 3.659 4.555 149.8 6.4 20.2 23.6 2007 09 27 01 12.67 +21 58.3 3.638 4.565 154.7 5.4 20.2 23.5 2007 10 02 01 09.68 +21 39.9 3.625 4.575 159.3 4.4 20.2 23.5 2007 10 07 01 06.61 +21 19.1 3.619 4.586 163.3 3.6 20.2 23.4 2007 10 12 01 03.51 +20 56.1 3.620 4.596 166.2 3.0 20.2 23.4 2007 10 17 01 00.45 +20 31.3 3.629 4.606 167.0 2.8 20.2 23.4 2007 10 22 00 57.47 +20 05.1 3.646 4.616 165.4 3.1 20.3 23.4 2007 10 27 00 54.65 +19 38.0 3.670 4.626 162.0 3.8 20.3 23.5 2007 11 01 00 52.02 +19 10.4 3.702 4.636 157.7 4.7 20.3 23.6 2007 11 06 00 49.64 +18 42.7 3.741 4.646 152.9 5.6 20.4 23.7 2007 11 11 00 47.54 +18 15.5 3.787 4.656 147.9 6.5 20.4 23.7 2007 11 16 00 45.75 +17 49.1 3.839 4.665 142.7 7.4 20.5 23.8 2007 11 21 00 44.30 +17 23.9 3.898 4.675 137.5 8.2 20.5 23.9 2007 11 26 00 43.20 +17 00.3 3.962 4.684 132.4 9.0 20.5 23.9 2007 12 01 00 42.46 +16 38.5 4.031 4.693 127.2 9.6 20.6 24.0 2007 12 06 00 42.08 +16 18.8 4.105 4.703 122.1 10.2 20.7 24.1 2007 12 11 00 42.07 +16 01.2 4.182 4.712 117.0 10.7 20.7 24.1 2007 12 16 00 42.42 +15 46.0 4.262 4.721 112.1 11.1 20.8 24.2 2007 12 21 00 43.12 +15 33.2 4.346 4.730 107.1 11.5 20.8 24.3 2007 12 26 00 44.16 +15 22.8 4.431 4.739 102.3 11.7 20.9 24.3 2007 12 31 00 45.51 +15 14.8 4.518 4.748 97.5 11.8 20.9 24.4 2008 01 05 00 47.17 +15 09.1 4.605 4.757 92.8 11.9 21.0 24.4 2008 01 10 00 49.13 +15 05.8 4.693 4.765 88.2 11.9 21.0 24.5 2008 01 15 00 51.35 +15 04.7 4.781 4.774 83.7 11.8 21.1 24.5 2008 01 20 00 53.83 +15 05.7 4.868 4.782 79.2 11.7 21.1 24.5 2008 01 25 00 56.55 +15 08.7 4.954 4.791 74.8 11.4 21.2 24.6 2008 01 30 00 59.49 +15 13.6 5.038 4.799 70.4 11.2 21.2 24.6 2008 02 04 01 02.63 +15 20.3 5.120 4.807 66.2 10.8 21.3 24.6 2008 02 09 01 05.96 +15 28.6 5.200 4.815 61.9 10.4 21.3 24.7 2008 02 14 01 09.47 +15 38.5 5.277 4.823 57.8 10.0 21.4 24.7 2008 02 19 01 13.14 +15 49.7 5.351 4.831 53.6 9.5 21.4 24.7 2008 02 24 01 16.94 +16 02.2 5.422 4.839 49.6 9.0 21.4 24.7 2008 02 29 01 20.88 +16 15.8 5.489 4.847 45.6 8.4 21.5 24.7 2008 03 05 01 24.93 +16 30.4 5.551 4.854 41.6 7.8 21.5 24.7 2008 03 10 01 29.10 +16 45.9 5.610 4.862 37.7 7.2 21.5 24.7 2008 03 15 01 33.35 +17 02.2 5.664 4.870 33.8 6.5 21.6 24.7 2008 03 20 01 37.69 +17 19.2 5.714 4.877 30.0 5.9 21.6 24.7 2008 03 25 01 42.10 +17 36.8 5.759 4.884 26.2 5.2 21.6 24.7 2008 03 30 01 46.57 +17 54.8 5.799 4.892 22.5 4.5 21.7 24.7 2008 04 04 01 51.09 +18 13.2 5.835 4.899 18.8 3.8 21.7 24.6 2008 04 09 01 55.65 +18 31.9 5.865 4.906 15.3 3.1 21.7 24.6 2008 04 14 02 00.24 +18 50.8 5.890 4.913 11.9 2.4 21.7 24.6 2008 04 19 02 04.85 +19 09.8 5.909 4.919 8.9 1.8 21.7 24.5 2008 04 24 02 09.47 +19 28.8 5.924 4.926 6.6 1.3 21.8 24.5 2008 04 29 02 14.10 +19 47.8 5.933 4.933 6.1 1.2 21.8 24.5 2008 05 04 02 18.72 +20 06.7 5.937 4.940 7.6 1.5 21.8 24.5 2008 05 09 02 23.32 +20 25.5 5.936 4.946 10.3 2.1 21.8 24.6 2008 05 14 02 27.90 +20 44.0 5.930 4.952 13.4 2.7 21.8 24.6 2008 05 19 02 32.43 +21 02.2 5.918 4.959 16.8 3.4 21.8 24.7 2008 05 24 02 36.93 +21 20.1 5.902 4.965 20.4 4.1 21.8 24.7 2008 05 29 02 41.36 +21 37.6 5.881 4.971 23.9 4.7 21.8 24.7 2008 06 03 02 45.73 +21 54.7 5.854 4.977 27.6 5.4 21.8 24.8 2008 06 08 02 50.02 +22 11.3 5.823 4.983 31.2 6.1 21.8 24.8 2008 06 13 02 54.22 +22 27.4 5.788 4.989 34.9 6.7 21.8 24.8 2008 06 18 02 58.31 +22 42.9 5.748 4.995 38.7 7.3 21.8 24.8 2008 06 23 03 02.29 +22 57.8 5.703 5.000 42.4 7.9 21.8 24.8 2008 06 28 03 06.15 +23 12.0 5.655 5.006 46.2 8.4 21.8 24.8 2008 07 03 03 09.86 +23 25.6 5.603 5.012 50.1 9.0 21.7 24.8This 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.