81P/Wild
Orbital Elements
The following orbital elements are taken from MPC 59598:
81P/Wild
Epoch 2010 Feb. 13.0 TT = JDT 2455240.5
T 2010 Feb. 22.7209 TT MPC
q 1.598059 (2000.0) P Q
n 0.1535098 Peri. 41.7939 -0.9985850 -0.0359776
a 3.454448 Node 136.0970 +0.0194975 -0.9328222
e 0.537391 Incl. 3.2375 +0.0494762 -0.3585363
P 6.42
From 1990 observations 1985-2005, mean residual 0".7. Nongravitational
parameters A1 = +0.10, A2 = +0.0092.
Elements are also available for the current standard epoch:
81P/Wild Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2010 Feb. 22.7485 TT MPC q 1.597838 (2000.0) P Q n 0.1535525 Peri. 41.8137 -0.9985975 -0.0356277 a 3.453807 Node 136.0972 +0.0191707 -0.9328290 e 0.537369 Incl. 3.2375 +0.0493502 -0.3585537 P 6.42An 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 06 08 05 00.32 +20 39.3 3.789 2.775 2.4 0.9 16.5 22.2 2009 06 13 05 08.96 +20 52.5 3.757 2.746 4.4 1.6 16.5 22.3 2009 06 18 05 17.76 +21 03.9 3.723 2.717 6.9 2.6 16.4 22.3 2009 06 23 05 26.70 +21 13.6 3.685 2.688 9.5 3.6 16.3 22.3 2009 06 28 05 35.78 +21 21.3 3.644 2.659 12.1 4.6 16.2 22.3 2009 07 03 05 44.99 +21 27.1 3.600 2.630 14.7 5.6 16.1 22.3 2009 07 08 05 54.33 +21 30.9 3.554 2.600 17.3 6.7 16.0 22.3 2009 07 13 06 03.79 +21 32.5 3.504 2.571 19.8 7.7 15.9 22.3 2009 07 18 06 13.37 +21 31.9 3.452 2.542 22.4 8.7 15.8 22.3 2009 07 23 06 23.07 +21 29.0 3.397 2.512 24.9 9.8 15.7 22.3 2009 07 28 06 32.87 +21 23.8 3.340 2.483 27.3 10.8 15.5 22.3 2009 08 02 06 42.77 +21 16.2 3.281 2.453 29.8 11.9 15.4 22.2 2009 08 07 06 52.77 +21 06.2 3.220 2.424 32.3 12.9 15.3 22.2 2009 08 12 07 02.86 +20 53.7 3.157 2.394 34.7 13.9 15.2 22.2 2009 08 17 07 13.03 +20 38.6 3.092 2.365 37.1 15.0 15.1 22.2 2009 08 22 07 23.29 +20 21.0 3.026 2.335 39.5 16.0 14.9 22.1 2009 08 27 07 33.62 +20 00.8 2.958 2.306 41.8 17.0 14.8 22.1 2009 09 01 07 44.02 +19 38.0 2.889 2.277 44.2 18.0 14.7 22.0 2009 09 06 07 54.49 +19 12.5 2.819 2.248 46.5 19.0 14.5 22.0 2009 09 11 08 05.02 +18 44.5 2.748 2.219 48.8 20.0 14.4 21.9 2009 09 16 08 15.61 +18 13.8 2.676 2.190 51.1 20.9 14.2 21.9 2009 09 21 08 26.25 +17 40.5 2.603 2.161 53.4 21.9 14.1 21.8 2009 09 26 08 36.94 +17 04.7 2.530 2.133 55.7 22.9 14.0 21.7 2009 10 01 08 47.67 +16 26.4 2.457 2.105 58.0 23.8 13.8 21.7 2009 10 06 08 58.45 +15 45.6 2.384 2.077 60.2 24.7 13.6 21.6 2009 10 11 09 09.28 +15 02.4 2.310 2.049 62.4 25.6 13.5 21.5 2009 10 16 09 20.14 +14 16.9 2.237 2.022 64.7 26.5 13.3 21.5 2009 10 21 09 31.04 +13 29.2 2.164 1.995 66.9 27.3 13.2 21.4 2009 10 26 09 41.98 +12 39.5 2.092 1.969 69.0 28.1 13.0 21.3 2009 10 31 09 52.95 +11 47.7 2.020 1.943 71.2 28.9 12.9 21.2 2009 11 05 10 03.95 +10 54.2 1.949 1.918 73.4 29.7 12.7 21.2 2009 11 10 10 14.99 +09 58.9 1.879 1.893 75.5 30.4 12.5 21.1 2009 11 15 10 26.05 +09 02.3 1.810 1.868 77.7 31.1 12.4 21.0 2009 11 20 10 37.15 +08 04.3 1.742 1.845 79.8 31.8 12.2 20.9 2009 11 25 10 48.26 +07 05.4 1.676 1.822 81.9 32.4 12.0 20.8 2009 11 30 10 59.38 +06 05.8 1.611 1.800 84.1 33.0 11.9 20.7 2009 12 05 11 10.52 +05 05.6 1.548 1.779 86.2 33.6 11.7 20.6 2009 12 10 11 21.67 +04 05.3 1.486 1.758 88.3 34.0 11.5 20.5 2009 12 15 11 32.81 +03 05.2 1.426 1.739 90.5 34.5 11.4 20.4 2009 12 20 11 43.92 +02 05.6 1.368 1.721 92.6 34.8 11.2 20.3 2009 12 25 11 54.99 +01 07.1 1.311 1.703 94.8 35.1 11.1 20.2 2009 12 30 12 06.00 +00 09.8 1.257 1.687 97.0 35.3 10.9 20.1 2010 01 04 12 16.91 -00 45.7 1.205 1.672 99.2 35.5 10.8 20.0 2010 01 09 12 27.72 -01 38.9 1.154 1.658 101.4 35.5 10.6 19.9 2010 01 14 12 38.35 -02 29.5 1.106 1.646 103.8 35.5 10.5 19.8 2010 01 19 12 48.77 -03 16.8 1.060 1.635 106.2 35.3 10.3 19.6 2010 01 24 12 58.92 -04 00.5 1.017 1.625 108.6 35.0 10.2 19.5 2010 01 29 13 08.76 -04 40.2 0.975 1.617 111.2 34.6 10.1 19.4 2010 02 03 13 18.21 -05 15.5 0.936 1.610 113.8 34.1 10.0 19.3 2010 02 08 13 27.19 -05 45.9 0.899 1.605 116.6 33.3 9.8 19.2 2010 02 13 13 35.63 -06 11.2 0.864 1.601 119.6 32.4 9.7 19.1 2010 02 18 13 43.42 -06 31.0 0.832 1.599 122.6 31.4 9.7 19.0 2010 02 23 13 50.50 -06 45.4 0.802 1.598 125.9 30.1 9.6 18.8 2010 02 28 13 56.78 -06 54.2 0.775 1.599 129.4 28.6 9.5 18.7 2010 03 05 14 02.20 -06 57.6 0.751 1.601 133.1 26.9 9.4 18.6 2010 03 10 14 06.68 -06 55.8 0.729 1.605 137.0 25.0 9.4 18.5 2010 03 15 14 10.16 -06 49.2 0.711 1.611 141.1 22.8 9.4 18.4 2010 03 20 14 12.64 -06 38.4 0.696 1.618 145.4 20.5 9.3 18.3 2010 03 25 14 14.14 -06 24.2 0.685 1.626 149.9 17.9 9.3 18.2 2010 03 30 14 14.72 -06 07.8 0.677 1.636 154.6 15.2 9.4 18.1 2010 04 04 14 14.48 -05 50.0 0.673 1.647 159.3 12.4 9.4 18.0 2010 04 09 14 13.54 -05 32.1 0.674 1.660 164.0 9.5 9.4 17.9 2010 04 14 14 12.07 -05 15.4 0.679 1.674 168.4 6.9 9.5 17.8 2010 04 19 14 10.27 -05 01.1 0.689 1.689 171.6 5.0 9.6 17.7 2010 04 24 14 08.35 -04 50.2 0.704 1.705 172.1 4.7 9.7 17.8 2010 04 29 14 06.50 -04 43.7 0.723 1.723 169.5 6.1 9.8 18.0 2010 05 04 14 04.90 -04 42.0 0.747 1.741 165.4 8.4 10.0 18.2 2010 05 09 14 03.67 -04 45.4 0.775 1.761 160.9 10.8 10.1 18.4 2010 05 14 14 02.94 -04 54.0 0.809 1.781 156.3 13.2 10.3 18.6 2010 05 19 14 02.79 -05 07.7 0.846 1.802 151.8 15.4 10.5 18.8 2010 05 24 14 03.27 -05 26.1 0.888 1.824 147.4 17.4 10.7 19.0 2010 05 29 14 04.39 -05 48.9 0.934 1.847 143.1 19.2 10.8 19.2 2010 06 03 14 06.15 -06 15.4 0.983 1.871 139.0 20.8 11.0 19.3 2010 06 08 14 08.51 -06 45.3 1.036 1.895 135.0 22.2 11.2 19.5 2010 06 13 14 11.46 -07 17.9 1.093 1.920 131.2 23.5 11.4 19.7 2010 06 18 14 14.96 -07 52.9 1.153 1.946 127.5 24.5 11.6 19.9 2010 06 23 14 18.98 -08 29.8 1.216 1.972 123.9 25.3 11.8 20.1 2010 06 28 14 23.46 -09 08.1 1.281 1.998 120.4 26.0 12.0 20.2 2010 07 03 14 28.36 -09 47.4 1.349 2.025 117.0 26.6 12.2 20.4 2010 07 08 14 33.66 -10 27.4 1.420 2.052 113.7 27.0 12.4 20.5 2010 07 13 14 39.31 -11 07.7 1.493 2.080 110.5 27.2 12.6 20.7This 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.
