MPC
CBAT
ICQ
2P/Encke
Epoch 2010 July 23.0 TT = JDT 2455400.5
T 2010 Aug. 6.5019 TT MPC
q 0.335869 (2000.0) P Q
n 0.2990633 Peri. 186.5490 -0.9451432 -0.3146640
a 2.214593 Node 334.5669 +0.3082031 -0.7700543
e 0.848338 Incl. 11.7831 +0.1082371 -0.5549801
P 3.30
From 1601 observations 1993-2007, mean residual 0".6. Nongravitational
parameters A1 = -0.01, A2 = -0.0007.
Elements are also available for the current standard epoch:
2P/Encke Epoch 2007 Apr. 10.0 TT = JDT 2454200.5 T 2007 Apr. 19.3113 TT MPC q 0.339269 (2000.0) P Q n 0.2983695 Peri. 186.5233 -0.9450302 -0.3150656 a 2.218025 Node 334.5710 +0.3084546 -0.7702157 e 0.847040 Incl. 11.7542 +0.1085065 -0.5545282 P 3.30An 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 26.97 -18 05.2 0.514 0.972 70.6 79.5 9.9 17.8 2007 06 04 00 09.87 -20 39.2 0.517 1.055 79.9 71.2 10.4 17.7 2007 06 09 23 52.12 -23 06.9 0.521 1.134 89.2 63.5 10.9 17.6 2007 06 14 23 33.13 -25 30.1 0.525 1.211 98.6 56.0 11.3 17.6 2007 06 19 23 12.48 -27 47.3 0.532 1.285 108.1 48.7 11.8 17.5 2007 06 24 22 50.07 -29 54.3 0.543 1.358 117.8 41.5 12.2 17.5 2007 06 29 22 26.14 -31 45.1 0.559 1.428 127.5 34.4 12.6 17.4 2007 07 04 22 01.29 -33 14.0 0.581 1.495 137.0 27.6 12.9 17.4 2007 07 09 21 36.37 -34 17.2 0.611 1.561 146.1 21.3 13.3 17.4 2007 07 14 21 12.36 -34 53.8 0.649 1.626 154.3 15.7 13.7 17.5 2007 07 19 20 50.17 -35 05.9 0.695 1.688 160.9 11.4 14.1 17.5 2007 07 24 20 30.45 -34 57.9 0.749 1.749 164.5 8.9 14.5 17.7 2007 07 29 20 13.53 -34 35.3 0.811 1.808 163.8 9.0 14.9 17.9 2007 08 03 19 59.42 -34 03.1 0.880 1.866 160.0 10.7 15.3 18.3 2007 08 08 19 47.96 -33 25.4 0.956 1.923 154.9 12.9 15.7 18.6 2007 08 13 19 38.93 -32 45.3 1.037 1.978 149.3 15.2 16.0 18.9 2007 08 18 19 32.04 -32 04.7 1.124 2.031 143.8 17.1 16.4 19.2 2007 08 23 19 27.02 -31 24.9 1.216 2.084 138.4 18.8 16.7 19.5 2007 08 28 19 23.59 -30 46.6 1.313 2.135 133.2 20.2 17.0 19.7 2007 09 02 19 21.52 -30 10.3 1.412 2.185 128.2 21.3 17.3 20.0 2007 09 07 19 20.61 -29 35.8 1.516 2.235 123.4 22.1 17.6 20.2 2007 09 12 19 20.70 -29 03.2 1.622 2.283 118.7 22.8 17.9 20.4 2007 09 17 19 21.64 -28 32.2 1.730 2.330 114.2 23.2 18.2 20.6 2007 09 22 19 23.32 -28 02.7 1.840 2.376 109.8 23.4 18.5 20.8 2007 09 27 19 25.63 -27 34.4 1.952 2.421 105.5 23.5 18.7 21.0 2007 10 02 19 28.47 -27 07.2 2.065 2.465 101.3 23.5 19.0 21.1 2007 10 07 19 31.77 -26 40.7 2.178 2.508 97.2 23.3 19.2 21.3 2007 10 12 19 35.49 -26 14.9 2.292 2.550 93.2 23.0 19.4 21.4 2007 10 17 19 39.56 -25 49.4 2.406 2.592 89.2 22.6 19.6 21.6 2007 10 22 19 43.93 -25 24.2 2.520 2.632 85.3 22.1 19.8 21.7 2007 10 27 19 48.56 -24 59.2 2.633 2.672 81.4 21.6 20.0 21.8 2007 11 01 19 53.41 -24 34.2 2.745 2.711 77.6 21.0 20.2 21.9 2007 11 06 19 58.46 -24 09.0 2.856 2.749 73.8 20.3 20.4 22.0 2007 11 11 20 03.68 -23 43.7 2.965 2.787 70.0 19.5 20.5 22.1 2007 11 16 20 09.05 -23 18.1 3.072 2.823 66.3 18.7 20.7 22.1 2007 11 21 20 14.53 -22 52.1 3.176 2.859 62.6 17.9 20.9 22.2 2007 11 26 20 20.11 -22 25.8 3.278 2.895 58.9 17.0 21.0 22.3 2007 12 01 20 25.77 -21 59.1 3.378 2.929 55.2 16.1 21.1 22.3 2007 12 06 20 31.49 -21 31.9 3.474 2.963 51.6 15.1 21.3 22.4 2007 12 11 20 37.27 -21 04.3 3.566 2.997 47.9 14.1 21.4 22.4 2007 12 16 20 43.08 -20 36.3 3.655 3.029 44.2 13.1 21.5 22.5 2007 12 21 20 48.92 -20 07.8 3.740 3.061 40.6 12.1 21.7 22.5 2007 12 26 20 54.77 -19 38.9 3.821 3.093 37.0 11.0 21.8 22.6 2007 12 31 21 00.61 -19 09.5 3.898 3.123 33.3 10.0 21.9 22.6 2008 01 05 21 06.45 -18 39.8 3.970 3.153 29.7 8.9 22.0 22.6 2008 01 10 21 12.26 -18 09.7 4.037 3.183 26.1 7.8 22.1 22.6 2008 01 15 21 18.05 -17 39.3 4.099 3.212 22.5 6.7 22.2 22.6 2008 01 20 21 23.80 -17 08.6 4.156 3.240 18.8 5.6 22.3 22.6 2008 01 25 21 29.50 -16 37.7 4.208 3.268 15.2 4.5 22.3 22.6 2008 01 30 21 35.14 -16 06.6 4.254 3.295 11.6 3.5 22.4 22.6 2008 02 04 21 40.73 -15 35.3 4.295 3.322 8.0 2.4 22.5 22.5 2008 02 09 21 46.24 -15 04.0 4.331 3.348 4.5 1.3 22.5 2008 02 14 21 51.68 -14 32.7 4.361 3.374 1.6 0.5 22.4 2008 02 19 21 57.03 -14 01.4 4.385 3.399 3.4 1.0 22.5 2008 02 24 22 02.28 -13 30.2 4.404 3.423 6.9 2.0 22.6 2008 02 29 22 07.44 -12 59.2 4.417 3.447 10.5 3.0 22.7 2008 03 05 22 12.49 -12 28.5 4.424 3.471 14.1 4.0 22.8 2008 03 10 22 17.42 -11 58.1 4.426 3.494 17.8 5.0 22.9 2008 03 15 22 22.23 -11 28.1 4.423 3.516 21.5 6.0 22.9 22.9 2008 03 20 22 26.91 -10 58.6 4.414 3.539 25.2 6.9 23.0 23.0 2008 03 25 22 31.44 -10 29.7 4.399 3.560 29.0 7.8 23.0 23.0 2008 03 30 22 35.82 -10 01.4 4.380 3.581 32.8 8.7 23.0 23.1 2008 04 04 22 40.05 -09 33.9 4.356 3.602 36.5 9.5 23.0 23.1 2008 04 09 22 44.10 -09 07.2 4.326 3.622 40.4 10.3 23.1 23.1 2008 04 14 22 47.97 -08 41.4 4.292 3.642 44.2 11.1 23.1 23.2 2008 04 19 22 51.65 -08 16.6 4.254 3.661 48.1 11.8 23.1 23.2 2008 04 24 22 55.12 -07 53.0 4.211 3.679 52.0 12.4 23.1 23.2 2008 04 29 22 58.37 -07 30.6 4.165 3.698 56.0 13.1 23.1 23.2 2008 05 04 23 01.38 -07 09.5 4.115 3.716 60.1 13.6 23.1 23.2 2008 05 09 23 04.14 -06 49.9 4.061 3.733 64.1 14.1 23.1 23.2 2008 05 14 23 06.64 -06 31.8 4.005 3.750 68.3 14.5 23.1 23.2 2008 05 19 23 08.85 -06 15.4 3.945 3.766 72.5 14.8 23.1 23.2 2008 05 24 23 10.76 -06 00.8 3.884 3.782 76.8 15.1 23.1 23.2 2008 05 29 23 12.35 -05 48.1 3.820 3.798 81.1 15.3 23.1 23.2 2008 06 03 23 13.60 -05 37.5 3.756 3.813 85.5 15.4 23.1 23.1 2008 06 08 23 14.49 -05 29.0 3.690 3.828 90.1 15.4 23.1 23.1 2008 06 13 23 15.00 -05 22.9 3.624 3.842 94.7 15.3 23.1 2008 06 18 23 15.10 -05 19.2 3.558 3.856 99.4 15.1 23.0 2008 06 23 23 14.80 -05 17.9 3.492 3.870 104.3 14.7 23.0 2008 06 28 23 14.06 -05 19.3 3.428 3.883 109.2 14.3 22.9 2008 07 03 23 12.87 -05 23.3 3.366 3.896 114.3 13.8 22.9This 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.