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 2009 June 18.0 TT = JDT 2455000.5 T 2008 Jan. 26.8949 TT MPC q 1.028148 (2000.0) P Q n 0.0724628 Peri. 207.5248 -0.2706842 -0.5062497 a 5.698047 Node 270.3490 +0.9626556 -0.1379938 e 0.819561 Incl. 54.9668 +0.0049259 -0.8512749 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 06 08 17 36.19 -35 24.1 4.112 5.102 165.7 2.8 19.9 2009 06 13 17 31.38 -35 06.0 4.137 5.135 168.0 2.4 19.9 2009 06 18 17 26.67 -34 46.2 4.169 5.167 167.9 2.4 19.9 2009 06 23 17 22.11 -34 25.0 4.210 5.199 165.3 2.8 20.0 2009 06 28 17 17.76 -34 02.6 4.258 5.231 161.3 3.6 20.1 2009 07 03 17 13.69 -33 39.3 4.314 5.263 156.7 4.4 20.2 2009 07 08 17 09.93 -33 15.4 4.378 5.295 151.7 5.2 20.3 2009 07 13 17 06.51 -32 51.1 4.448 5.327 146.7 6.0 20.3 2009 07 18 17 03.46 -32 26.8 4.525 5.358 141.5 6.8 20.4 2009 07 23 17 00.81 -32 02.8 4.608 5.389 136.4 7.5 20.5 2009 07 28 16 58.55 -31 39.1 4.697 5.420 131.2 8.1 20.6 2009 08 02 16 56.70 -31 16.2 4.790 5.451 126.2 8.6 20.7 2009 08 07 16 55.25 -30 54.1 4.888 5.482 121.1 9.1 20.8 2009 08 12 16 54.19 -30 32.9 4.990 5.512 116.2 9.5 20.8 2009 08 17 16 53.52 -30 12.7 5.095 5.543 111.3 9.8 20.9 2009 08 22 16 53.22 -29 53.7 5.202 5.573 106.4 10.0 21.0 2009 08 27 16 53.27 -29 35.7 5.312 5.603 101.6 10.2 21.0 2009 09 01 16 53.66 -29 18.9 5.423 5.633 96.9 10.2 21.1 2009 09 06 16 54.38 -29 03.2 5.534 5.663 92.2 10.2 21.1 2009 09 11 16 55.39 -28 48.6 5.646 5.693 87.6 10.2 21.2 2009 09 16 16 56.68 -28 35.1 5.757 5.722 83.0 10.0 21.2 2009 09 21 16 58.24 -28 22.4 5.868 5.751 78.4 9.8 21.3 2009 09 26 17 00.05 -28 10.7 5.977 5.781 73.9 9.6 21.3 2009 10 01 17 02.08 -27 59.9 6.085 5.810 69.5 9.3 21.4 2009 10 06 17 04.32 -27 49.8 6.190 5.838 65.0 8.9 21.4 2009 10 11 17 06.75 -27 40.4 6.292 5.867 60.6 8.5 21.4 2009 10 16 17 09.36 -27 31.5 6.391 5.896 56.3 8.1 21.4 2009 10 21 17 12.12 -27 23.3 6.486 5.924 51.9 7.6 21.5 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 21.6This 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.
