77P/Longmore
Orbital Elements
The following orbital elements are taken from MPC 56804:
77P/Longmore
Epoch 2009 June 18.0 TT = JDT 2455000.5
T 2009 July 7.8488 TT MPC
q 2.310327 (2000.0) P Q
n 0.1443385 Peri. 196.6948 -0.8582259 +0.5021372
a 3.599272 Node 14.9167 -0.4109568 -0.5481246
e 0.358113 Incl. 24.3983 -0.3075106 -0.6688928
P 6.83
From 293 observations 1975-2003, mean residual 0".9. Nongravitational
parameters A1 = +0.04, A2 = -0.0579.
Elements are also available for the current standard epoch:
77P/Longmore Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2009 July 7.8599 TT MPC q 2.310389 (2000.0) P Q n 0.1443860 Peri. 196.6995 -0.8581785 +0.5022165 a 3.598481 Node 14.9174 -0.4110097 -0.5480769 e 0.357955 Incl. 24.3990 -0.3075721 -0.6688724 P 6.83An 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! 2010 01 24 18 47.26 -40 57.8 3.461 2.654 29.9 10.7 18.2 20.5 2010 01 29 18 59.02 -41 00.9 3.449 2.669 32.3 11.4 18.2 20.5 2010 02 03 19 10.61 -41 01.9 3.435 2.684 34.7 12.1 18.3 20.6 2010 02 08 19 22.01 -41 01.1 3.419 2.700 37.2 12.8 18.3 20.6 2010 02 13 19 33.20 -40 58.6 3.400 2.715 39.8 13.5 18.3 20.6 2010 02 18 19 44.17 -40 54.7 3.378 2.731 42.4 14.1 18.4 20.6 2010 02 23 19 54.88 -40 49.7 3.355 2.747 45.1 14.8 18.4 20.6 2010 02 28 20 05.33 -40 43.8 3.329 2.763 47.8 15.4 18.4 20.7 2010 03 05 20 15.50 -40 37.3 3.302 2.779 50.5 16.0 18.5 20.7 2010 03 10 20 25.39 -40 30.3 3.272 2.795 53.4 16.6 18.5 20.7 2010 03 15 20 34.97 -40 23.3 3.240 2.812 56.2 17.1 18.5 20.7 2010 03 20 20 44.23 -40 16.5 3.207 2.828 59.1 17.6 18.6 20.7 2010 03 25 20 53.15 -40 10.1 3.171 2.845 62.1 18.0 18.6 20.7 2010 03 30 21 01.73 -40 04.5 3.134 2.861 65.1 18.5 18.6 20.7 2010 04 04 21 09.95 -39 59.8 3.096 2.878 68.2 18.8 18.6 20.7 2010 04 09 21 17.80 -39 56.4 3.056 2.895 71.3 19.1 18.7 20.7 2010 04 14 21 25.26 -39 54.4 3.015 2.912 74.5 19.4 18.7 20.7 2010 04 19 21 32.31 -39 54.3 2.973 2.929 77.7 19.6 18.7 20.7 2010 04 24 21 38.93 -39 56.2 2.930 2.946 81.0 19.7 18.7 20.7 2010 04 29 21 45.12 -40 00.2 2.887 2.963 84.4 19.8 18.7 20.7 2010 05 04 21 50.84 -40 06.6 2.843 2.980 87.8 19.8 18.8 20.6 2010 05 09 21 56.07 -40 15.6 2.799 2.998 91.3 19.7 18.8 20.6 2010 05 14 22 00.78 -40 27.2 2.756 3.015 94.9 19.5 18.8 20.6 2010 05 19 22 04.95 -40 41.7 2.712 3.032 98.5 19.3 18.8 20.6 2010 05 24 22 08.55 -40 58.9 2.670 3.049 102.2 18.9 18.8 20.5 2010 05 29 22 11.54 -41 18.9 2.629 3.067 106.0 18.5 18.8 20.5 2010 06 03 22 13.90 -41 41.5 2.589 3.084 109.8 18.0 18.8 20.4 2010 06 08 22 15.59 -42 06.5 2.551 3.102 113.7 17.4 18.9 20.4 2010 06 13 22 16.58 -42 33.8 2.516 3.119 117.6 16.8 18.9 20.4 2010 06 18 22 16.83 -43 02.9 2.483 3.136 121.5 16.0 18.9 20.3 2010 06 23 22 16.34 -43 33.2 2.454 3.154 125.4 15.2 18.9 20.3 2010 06 28 22 15.10 -44 04.1 2.428 3.171 129.3 14.4 19.0 20.2 2010 07 03 22 13.09 -44 35.0 2.407 3.188 133.0 13.5 19.0 20.2 2010 07 08 22 10.34 -45 04.9 2.390 3.206 136.7 12.6 19.0 20.2 2010 07 13 22 06.88 -45 33.1 2.377 3.223 140.0 11.7 19.0 20.1 2010 07 18 22 02.75 -45 58.4 2.370 3.240 143.0 10.9 19.1 20.1 2010 07 23 21 58.05 -46 20.1 2.369 3.258 145.6 10.2 19.1 20.1 2010 07 28 21 52.89 -46 37.3 2.373 3.275 147.4 9.6 19.2 20.1 2010 08 02 21 47.38 -46 49.3 2.384 3.292 148.6 9.3 19.2 20.1 2010 08 07 21 41.65 -46 55.6 2.400 3.309 148.8 9.1 19.3 20.1 2010 08 12 21 35.87 -46 55.7 2.423 3.327 148.1 9.3 19.4 20.1 2010 08 17 21 30.17 -46 49.6 2.452 3.344 146.6 9.6 19.4 20.2 2010 08 22 21 24.72 -46 37.4 2.487 3.361 144.4 10.1 19.5 20.3 2010 08 27 21 19.63 -46 19.3 2.527 3.378 141.6 10.7 19.6 20.3 2010 09 01 21 15.01 -45 55.7 2.574 3.395 138.3 11.4 19.7 20.4 2010 09 06 21 10.95 -45 27.3 2.626 3.412 134.8 12.1 19.8 20.5 2010 09 11 21 07.50 -44 54.5 2.683 3.429 131.0 12.8 19.8 20.6 2010 09 16 21 04.71 -44 18.0 2.745 3.446 127.1 13.5 19.9 20.7 2010 09 21 21 02.59 -43 38.5 2.811 3.462 123.1 14.1 20.0 20.7 2010 09 26 21 01.14 -42 56.5 2.880 3.479 119.0 14.6 20.1 20.8 2010 10 01 21 00.34 -42 12.5 2.954 3.496 114.9 15.1 20.2 20.9 2010 10 06 21 00.16 -41 26.9 3.030 3.512 110.8 15.4 20.3 21.0 2010 10 11 21 00.59 -40 40.2 3.109 3.529 106.8 15.7 20.4 21.1 2010 10 16 21 01.57 -39 52.7 3.190 3.545 102.7 15.9 20.5 21.1 2010 10 21 21 03.07 -39 04.5 3.273 3.562 98.7 16.0 20.6 21.2 2010 10 26 21 05.05 -38 16.0 3.357 3.578 94.7 16.1 20.7 21.3 2010 10 31 21 07.47 -37 27.3 3.442 3.595 90.7 16.0 20.8 21.3 2010 11 05 21 10.28 -36 38.5 3.528 3.611 86.8 15.9 20.9 21.4 2010 11 10 21 13.45 -35 49.7 3.614 3.627 82.9 15.7 21.0 21.4 2010 11 15 21 16.95 -35 00.9 3.699 3.643 79.0 15.5 21.1 21.5 2010 11 20 21 20.74 -34 12.3 3.784 3.659 75.2 15.1 21.2 21.5 2010 11 25 21 24.79 -33 23.8 3.868 3.675 71.4 14.8 21.2 21.6 2010 11 30 21 29.07 -32 35.5 3.951 3.691 67.7 14.3 21.3 21.6 2010 12 05 21 33.56 -31 47.3 4.032 3.706 63.9 13.8 21.4 21.7 2010 12 10 21 38.22 -30 59.3 4.111 3.722 60.2 13.3 21.5 21.7 2010 12 15 21 43.04 -30 11.5 4.188 3.738 56.6 12.7 21.6 21.7 2010 12 20 21 48.00 -29 23.9 4.263 3.753 53.0 12.1 21.6 21.7 2010 12 25 21 53.07 -28 36.6 4.334 3.769 49.4 11.4 21.7 21.8 2010 12 30 21 58.24 -27 49.4 4.403 3.784 45.8 10.7 21.8 21.8 2011 01 04 22 03.49 -27 02.5 4.469 3.799 42.3 10.0 21.8 2011 01 09 22 08.80 -26 15.9 4.531 3.814 38.8 9.3 21.8 2011 01 14 22 14.17 -25 29.5 4.589 3.829 35.3 8.5 21.8 2011 01 19 22 19.58 -24 43.5 4.644 3.844 31.9 7.8 21.8 2011 01 24 22 25.01 -23 57.8 4.694 3.859 28.6 7.0 21.8 2011 01 29 22 30.46 -23 12.5 4.741 3.874 25.4 6.3 21.8 2011 02 03 22 35.91 -22 27.6 4.783 3.889 22.3 5.5 21.8 2011 02 08 22 41.36 -21 43.1 4.820 3.903 19.3 4.8 21.8 2011 02 13 22 46.80 -20 59.1 4.853 3.918 16.6 4.1 21.8 2011 02 18 22 52.21 -20 15.6 4.882 3.932 14.3 3.6 21.8 2011 02 23 22 57.59 -19 32.8 4.906 3.946 12.6 3.1 21.7 2011 02 28 23 02.93 -18 50.5 4.925 3.960 11.8 2.9 21.8This 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.
