8P/Tuttle
Orbital Elements
The following orbital elements are taken from MPC 61707:
8P/Tuttle
Epoch 2008 Jan. 15.0 TT = JDT 2454480.5
T 2008 Jan. 27.0229 TT MPC
q 1.027132 (2000.0) P Q
n 0.0723924 Peri. 207.5068 -0.2703035 -0.5061908
a 5.701737 Node 270.3416 +0.9627614 -0.1375728
e 0.819856 Incl. 54.9830 +0.0051391 -0.8513781
P 13.6
From 1058 observations 1967-2008, mean residual 0".6. Nongravitational
parameters A1 = +0.11, A2 = +0.0137.
Elements are also available for the current standard epoch:
8P/Tuttle Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2008 Jan. 26.7800 TT MPC q 1.028098 (2000.0) P Q n 0.0725224 Peri. 207.5121 -0.2705394 -0.5062623 a 5.694925 Node 270.3486 +0.9626954 -0.1377634 e 0.819471 Incl. 54.9708 +0.0050977 -0.8513047 P 13.6An 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 17 15.03 -27 15.4 6.578 5.952 47.6 7.1 21.5 2009 10 31 17 18.06 -27 08.0 6.665 5.981 43.2 6.5 21.5 2009 11 05 17 21.20 -27 00.9 6.747 6.009 38.9 6.0 21.5 2009 11 10 17 24.44 -26 54.0 6.825 6.036 34.7 5.4 21.5 2009 11 15 17 27.76 -26 47.4 6.897 6.064 30.4 4.7 21.5 2009 11 20 17 31.14 -26 40.9 6.964 6.092 26.1 4.1 21.5 2009 11 25 17 34.58 -26 34.4 7.025 6.119 21.8 3.4 21.5 2009 11 30 17 38.05 -26 28.1 7.079 6.146 17.6 2.8 21.5 2009 12 05 17 41.54 -26 21.7 7.128 6.174 13.4 2.1 21.5 2009 12 10 17 45.05 -26 15.3 7.171 6.201 9.2 1.5 21.4 2009 12 15 17 48.55 -26 08.9 7.207 6.228 5.2 0.8 21.4 2009 12 20 17 52.03 -26 02.3 7.237 6.254 2.6 0.4 21.4 2009 12 25 17 55.48 -25 55.7 7.260 6.281 4.9 0.8 21.4 2009 12 30 17 58.89 -25 49.0 7.277 6.307 8.8 1.4 21.5 2010 01 04 18 02.23 -25 42.1 7.288 6.334 13.1 2.0 21.6 2010 01 09 18 05.51 -25 35.2 7.292 6.360 17.4 2.6 21.6 2010 01 14 18 08.70 -25 28.0 7.290 6.386 21.7 3.3 21.7 2010 01 19 18 11.79 -25 20.8 7.282 6.412 26.1 3.9 21.7 2010 01 24 18 14.77 -25 13.5 7.267 6.438 30.4 4.4 21.7 2010 01 29 18 17.62 -25 06.0 7.247 6.464 34.9 5.0 21.8 2010 02 03 18 20.33 -24 58.5 7.222 6.489 39.3 5.5 21.8 2010 02 08 18 22.89 -24 50.9 7.191 6.515 43.8 6.0 21.8 2010 02 13 18 25.28 -24 43.2 7.155 6.540 48.3 6.5 21.8 2010 02 18 18 27.50 -24 35.6 7.115 6.565 52.8 6.9 21.9 2010 02 23 18 29.52 -24 27.8 7.071 6.591 57.4 7.3 21.9 2010 02 28 18 31.34 -24 20.1 7.022 6.616 62.0 7.6 21.9 2010 03 05 18 32.94 -24 12.5 6.971 6.640 66.7 7.9 21.9 2010 03 10 18 34.32 -24 04.8 6.916 6.665 71.3 8.1 21.9 2010 03 15 18 35.45 -23 57.3 6.859 6.690 76.1 8.3 21.9 2010 03 20 18 36.34 -23 49.8 6.801 6.714 80.8 8.4 21.9 2010 03 25 18 36.97 -23 42.4 6.741 6.739 85.6 8.5 21.9 2010 03 30 18 37.33 -23 35.1 6.680 6.763 90.5 8.5 21.9 2010 04 04 18 37.42 -23 27.9 6.620 6.787 95.4 8.4 21.8 2010 04 09 18 37.23 -23 20.9 6.559 6.811 100.4 8.3 21.8 2010 04 14 18 36.77 -23 13.9 6.501 6.835 105.4 8.1 21.8 2010 04 19 18 36.02 -23 07.1 6.444 6.859 110.4 7.9 21.8 2010 04 24 18 34.99 -23 00.4 6.389 6.883 115.5 7.6 21.8 2010 04 29 18 33.70 -22 53.7 6.338 6.906 120.7 7.2 21.7 2010 05 04 18 32.13 -22 47.1 6.290 6.930 125.9 6.8 21.7 2010 05 09 18 30.32 -22 40.5 6.247 6.953 131.1 6.3 21.7 2010 05 14 18 28.26 -22 33.9 6.209 6.976 136.4 5.7 21.6 2010 05 19 18 25.99 -22 27.4 6.176 6.999 141.8 5.1 21.6 2010 05 24 18 23.52 -22 20.7 6.150 7.022 147.1 4.5 21.6 2010 05 29 18 20.87 -22 14.1 6.130 7.045 152.5 3.8 21.5 2010 06 03 18 18.09 -22 07.3 6.118 7.068 158.0 3.1 21.5 2010 06 08 18 15.19 -22 00.5 6.112 7.091 163.4 2.3 21.4 2010 06 13 18 12.21 -21 53.6 6.114 7.113 168.8 1.6 21.4 2010 06 18 18 09.19 -21 46.7 6.124 7.136 174.2 0.8 21.3 2010 06 23 18 06.16 -21 39.7 6.142 7.158 178.2 0.3 21.3 2010 06 28 18 03.15 -21 32.6 6.168 7.180 174.3 0.8 21.4 2010 07 03 18 00.21 -21 25.6 6.202 7.202 169.0 1.5 21.5 2010 07 08 17 57.35 -21 18.6 6.243 7.224 163.6 2.3 21.5 2010 07 13 17 54.62 -21 11.6 6.292 7.246 158.3 3.0 21.6 2010 07 18 17 52.05 -21 04.8 6.349 7.268 152.9 3.7 21.7 2010 07 23 17 49.64 -20 58.1 6.412 7.290 147.6 4.3 21.7 2010 07 28 17 47.44 -20 51.7 6.482 7.312 142.3 4.9 21.8 2010 08 02 17 45.45 -20 45.4 6.558 7.333 137.1 5.4 21.9 2010 08 07 17 43.69 -20 39.4 6.639 7.355 131.9 5.9 21.9 2010 08 12 17 42.16 -20 33.7 6.725 7.376 126.7 6.3 22.0 2010 08 17 17 40.89 -20 28.3 6.816 7.397 121.6 6.7 22.0 2010 08 22 17 39.87 -20 23.3 6.910 7.418 116.6 7.0 22.1 2010 08 27 17 39.10 -20 18.5 7.008 7.439 111.6 7.3 22.1 2010 09 01 17 38.59 -20 14.0 7.108 7.460 106.6 7.4 22.2 2010 09 06 17 38.32 -20 09.9 7.211 7.481 101.7 7.6 22.2 2010 09 11 17 38.30 -20 06.0 7.314 7.502 96.9 7.7 22.2 2010 09 16 17 38.51 -20 02.4 7.419 7.522 92.1 7.7 22.3 2010 09 21 17 38.96 -19 59.0 7.523 7.543 87.3 7.6 22.3 2010 09 26 17 39.63 -19 55.8 7.627 7.563 82.6 7.6 22.3 2010 10 01 17 40.50 -19 52.8 7.730 7.583 77.9 7.4 22.4 2010 10 06 17 41.58 -19 49.8 7.832 7.604 73.2 7.2 22.4 2010 10 11 17 42.85 -19 47.0 7.932 7.624 68.6 7.0 22.4 2010 10 16 17 44.29 -19 44.2 8.029 7.644 64.0 6.7 22.4 2010 10 21 17 45.90 -19 41.5 8.122 7.664 59.4 6.4 22.5 2010 10 26 17 47.66 -19 38.7 8.213 7.684 54.9 6.1 22.5 2010 10 31 17 49.57 -19 35.8 8.299 7.703 50.3 5.7 22.5 2010 11 05 17 51.60 -19 32.8 8.381 7.723 45.8 5.3 22.5 2010 11 10 17 53.74 -19 29.7 8.458 7.743 41.3 4.8 22.5 2010 11 15 17 55.99 -19 26.4 8.531 7.762 36.9 4.4 22.5 2010 11 20 17 58.33 -19 22.9 8.597 7.781 32.4 3.9 22.5 2010 11 25 18 00.74 -19 19.1 8.658 7.801 28.0 3.4 22.5 2010 11 30 18 03.22 -19 15.1 8.714 7.820 23.6 2.9 22.5This 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.
