200P/Larsen
Orbital Elements
The following orbital elements are taken from MPC 63139:200P/Larsen Epoch 2008 Sept. 11.0 TT = JDT 2454720.5 T 2008 Aug. 25.1744 TT MPC q 3.271999 (2000.0) P Q n 0.0906677 Peri. 133.7286 +0.9757323 -0.1359879 a 4.907208 Node 234.8163 +0.0844817 +0.9568877 e 0.333226 Incl. 12.1214 +0.2020130 +0.2566577 P 10.9 From 266 observations 1997-2008, mean residual 0".5.Elements are also available for the current standard epoch:
200P/Larsen Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2008 Aug. 25.3969 TT MPC q 3.272224 (2000.0) P Q n 0.0906167 Peri. 133.7682 +0.9756368 -0.1366908 a 4.909049 Node 234.8178 +0.0851713 +0.9568214 e 0.333430 Incl. 12.1200 +0.2021850 +0.2565314 P 10.9An 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 04 07.45 +20 02.6 4.592 3.613 13.5 3.8 17.9 2009 06 13 04 14.33 +20 12.4 4.584 3.624 16.7 4.6 17.9 2009 06 18 04 21.15 +20 20.9 4.573 3.635 19.9 5.5 17.9 2009 06 23 04 27.90 +20 28.1 4.559 3.646 23.1 6.3 17.9 2009 06 28 04 34.55 +20 33.9 4.540 3.657 26.3 7.1 17.9 2009 07 03 04 41.11 +20 38.4 4.518 3.668 29.5 7.9 17.9 2009 07 08 04 47.56 +20 41.5 4.492 3.679 32.8 8.6 17.9 2009 07 13 04 53.89 +20 43.3 4.463 3.691 36.1 9.3 17.9 2009 07 18 05 00.08 +20 43.7 4.431 3.702 39.4 10.0 17.9 2009 07 23 05 06.12 +20 42.8 4.395 3.714 42.8 10.7 17.9 2009 07 28 05 12.00 +20 40.7 4.356 3.726 46.2 11.3 17.9 2009 08 02 05 17.70 +20 37.2 4.313 3.737 49.7 11.9 17.9 2009 08 07 05 23.20 +20 32.6 4.268 3.749 53.2 12.5 17.9 2009 08 12 05 28.50 +20 26.7 4.221 3.761 56.7 13.0 17.9 2009 08 17 05 33.57 +20 19.8 4.170 3.773 60.3 13.5 17.9 2009 08 22 05 38.39 +20 11.7 4.118 3.786 64.0 13.9 17.9 2009 08 27 05 42.95 +20 02.6 4.063 3.798 67.8 14.3 17.8 2009 09 01 05 47.22 +19 52.5 4.006 3.810 71.6 14.6 17.8 2009 09 06 05 51.19 +19 41.5 3.948 3.823 75.5 14.8 17.8 2009 09 11 05 54.85 +19 29.7 3.888 3.835 79.5 15.0 17.8 2009 09 16 05 58.16 +19 17.2 3.828 3.848 83.6 15.1 17.8 2009 09 21 06 01.11 +19 03.9 3.767 3.860 87.8 15.1 17.7 2009 09 26 06 03.67 +18 50.0 3.705 3.873 92.0 15.0 17.7 2009 10 01 06 05.84 +18 35.6 3.644 3.886 96.4 14.8 17.7 2009 10 06 06 07.59 +18 20.8 3.584 3.898 100.9 14.6 17.7 2009 10 11 06 08.90 +18 05.7 3.525 3.911 105.5 14.2 17.7 2009 10 16 06 09.77 +17 50.3 3.467 3.924 110.2 13.8 17.6 2009 10 21 06 10.18 +17 34.7 3.411 3.937 115.0 13.2 17.6 2009 10 26 06 10.13 +17 19.1 3.359 3.950 120.0 12.6 17.6 2009 10 31 06 09.62 +17 03.5 3.309 3.963 125.0 11.8 17.6 2009 11 05 06 08.65 +16 48.1 3.264 3.976 130.2 11.0 17.6 2009 11 10 06 07.24 +16 32.9 3.223 3.989 135.4 10.0 17.6 2009 11 15 06 05.42 +16 18.1 3.187 4.003 140.8 9.0 17.5 2009 11 20 06 03.20 +16 03.7 3.157 4.016 146.2 7.9 17.5 2009 11 25 06 00.65 +15 49.9 3.133 4.029 151.6 6.7 17.5 2009 11 30 05 57.81 +15 36.7 3.116 4.043 157.0 5.5 17.5 2009 12 05 05 54.74 +15 24.3 3.106 4.056 162.3 4.2 17.5 2009 12 10 05 51.50 +15 12.8 3.103 4.069 167.1 3.1 17.6 2009 12 15 05 48.17 +15 02.2 3.108 4.083 170.7 2.2 17.6 2009 12 20 05 44.81 +14 52.7 3.121 4.096 171.3 2.1 17.6 2009 12 25 05 41.52 +14 44.4 3.141 4.110 168.5 2.7 17.6 2009 12 30 05 38.35 +14 37.3 3.169 4.123 163.9 3.8 17.7 2010 01 04 05 35.38 +14 31.4 3.205 4.137 158.8 4.9 17.7 2010 01 09 05 32.65 +14 26.8 3.247 4.150 153.4 6.1 17.7 2010 01 14 05 30.23 +14 23.5 3.297 4.164 148.0 7.2 17.8 2010 01 19 05 28.16 +14 21.5 3.353 4.177 142.6 8.2 17.8 2010 01 24 05 26.46 +14 20.6 3.414 4.191 137.3 9.2 17.9 2010 01 29 05 25.17 +14 20.9 3.481 4.205 132.0 10.0 17.9 2010 02 03 05 24.29 +14 22.2 3.553 4.218 126.8 10.8 18.0 2010 02 08 05 23.84 +14 24.5 3.629 4.232 121.8 11.4 18.1 2010 02 13 05 23.80 +14 27.7 3.708 4.246 116.8 12.0 18.1 2010 02 18 05 24.17 +14 31.5 3.791 4.259 111.9 12.4 18.2 2010 02 23 05 24.96 +14 35.9 3.876 4.273 107.1 12.8 18.2 2010 02 28 05 26.13 +14 40.8 3.963 4.287 102.4 13.0 18.3 2010 03 05 05 27.68 +14 46.0 4.051 4.300 97.9 13.2 18.4 2010 03 10 05 29.58 +14 51.4 4.140 4.314 93.4 13.3 18.4 2010 03 15 05 31.81 +14 56.9 4.230 4.328 89.0 13.3 18.5 2010 03 20 05 34.37 +15 02.4 4.319 4.342 84.7 13.2 18.6 2010 03 25 05 37.21 +15 07.7 4.408 4.355 80.4 13.0 18.6 2010 03 30 05 40.33 +15 12.7 4.496 4.369 76.3 12.8 18.7 2010 04 04 05 43.70 +15 17.3 4.583 4.383 72.2 12.5 18.7 2010 04 09 05 47.30 +15 21.5 4.668 4.397 68.2 12.2 18.8 2010 04 14 05 51.12 +15 25.2 4.751 4.410 64.3 11.8 18.8 2010 04 19 05 55.13 +15 28.2 4.832 4.424 60.4 11.4 18.9 2010 04 24 05 59.31 +15 30.6 4.911 4.438 56.6 10.9 18.9 2010 04 29 06 03.66 +15 32.1 4.986 4.451 52.9 10.4 19.0 2010 05 04 06 08.14 +15 32.9 5.059 4.465 49.2 9.8 19.0 2010 05 09 06 12.75 +15 32.9 5.128 4.479 45.5 9.3 19.1 2010 05 14 06 17.48 +15 31.9 5.194 4.493 41.9 8.6 19.1 2010 05 19 06 22.30 +15 30.0 5.256 4.506 38.3 8.0 19.1 2010 05 24 06 27.20 +15 27.2 5.314 4.520 34.8 7.3 19.2 2010 05 29 06 32.18 +15 23.3 5.368 4.534 31.3 6.7 19.2 2010 06 03 06 37.20 +15 18.5 5.419 4.547 27.9 6.0 19.2 2010 06 08 06 42.28 +15 12.6 5.465 4.561 24.5 5.3 19.3 2010 06 13 06 47.39 +15 05.8 5.506 4.574 21.2 4.6 19.3 2010 06 18 06 52.51 +14 57.9 5.543 4.588 18.0 3.9 19.3 2010 06 23 06 57.65 +14 49.0 5.576 4.602 15.0 3.3 19.4 2010 06 28 07 02.78 +14 39.1 5.604 4.615 12.2 2.7 19.4 2010 07 03 07 07.91 +14 28.2 5.627 4.629 9.8 2.2 19.4 2010 07 08 07 13.01 +14 16.4 5.646 4.642 8.3 1.8 19.4 2010 07 13 07 18.08 +14 03.5 5.660 4.656 8.2 1.8 19.4This 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.
