C/2008 H1 (LINEAR)
Orbital Elements
The following orbital elements are taken from MPC 63137:C/2008 H1 (LINEAR) Epoch 2008 Apr. 4.0 TT = JDT 2454560.5 T 2008 Mar. 16.3852 TT MPC q 2.759950 (2000.0) P Q z +0.019626 Peri. 96.0324 -0.2280929 -0.8032263 +/-0.000000 Node 34.6391 -0.2496739 -0.4980204 e 0.945832 Incl. 75.4895 +0.9410826 -0.3268076 From 193 observations 2008 Apr. 18-June 12, mean residual 0".7.Elements are also available for the current standard epoch:
C/2008 H1 (LINEAR) Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2008 Mar. 16.3566 TT MPC q 2.760019 (2000.0) P Q z +0.019736 Peri. 96.0334 -0.2279754 -0.8032800 +/-0.000000 Node 34.6347 -0.2498479 -0.4979405 e 0.945529 Incl. 75.5021 +0.9410650 -0.3267973An 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 13 33.48 -11 56.5 4.322 5.020 128.8 9.1 20.7 2009 06 13 13 31.02 -12 12.3 4.423 5.055 123.5 9.6 20.8 2009 06 18 13 28.97 -12 28.9 4.528 5.090 118.4 10.1 20.8 2009 06 23 13 27.30 -12 46.3 4.637 5.125 113.3 10.5 20.9 2009 06 28 13 26.01 -13 04.4 4.749 5.160 108.4 10.8 21.0 2009 07 03 13 25.08 -13 23.4 4.862 5.195 103.5 11.0 21.1 2009 07 08 13 24.50 -13 43.2 4.978 5.230 98.8 11.1 21.2 2009 07 13 13 24.24 -14 03.8 5.094 5.265 94.1 11.1 21.2 2009 07 18 13 24.30 -14 25.2 5.211 5.300 89.5 11.1 21.3 2009 07 23 13 24.65 -14 47.3 5.328 5.335 84.9 10.9 21.4 2009 07 28 13 25.27 -15 10.2 5.445 5.371 80.5 10.7 21.5 2009 08 02 13 26.14 -15 33.8 5.560 5.406 76.1 10.5 21.6 2009 08 07 13 27.25 -15 58.2 5.673 5.441 71.7 10.2 21.6 2009 08 12 13 28.57 -16 23.1 5.785 5.476 67.4 9.8 21.7 2009 08 17 13 30.09 -16 48.8 5.894 5.511 63.2 9.4 21.8 2009 08 22 13 31.80 -17 15.0 6.000 5.546 58.9 9.0 21.8 2009 08 27 13 33.68 -17 41.7 6.102 5.581 54.8 8.5 21.9 2009 09 01 13 35.71 -18 09.0 6.201 5.616 50.6 8.0 22.0 2009 09 06 13 37.87 -18 36.8 6.297 5.651 46.6 7.4 22.0 2009 09 11 13 40.16 -19 05.1 6.388 5.686 42.5 6.9 22.1 2009 09 16 13 42.56 -19 33.8 6.474 5.721 38.5 6.3 22.1 2009 09 21 13 45.05 -20 02.9 6.555 5.756 34.5 5.7 22.2 2009 09 26 13 47.63 -20 32.3 6.632 5.791 30.6 5.1 22.2 2009 10 01 13 50.28 -21 02.1 6.703 5.826 26.7 4.4 22.3 2009 10 06 13 52.98 -21 32.2 6.768 5.861 23.0 3.8 22.3 2009 10 11 13 55.72 -22 02.6 6.828 5.896 19.4 3.2 22.4 2009 10 16 13 58.50 -22 33.2 6.883 5.931 16.1 2.7 22.4 2009 10 21 14 01.30 -23 04.0 6.931 5.966 13.2 2.2 22.5 2009 10 26 14 04.10 -23 35.1 6.973 6.001 11.2 1.8 22.5 2009 10 31 14 06.90 -24 06.3 7.009 6.036 10.6 1.7 22.5 2009 11 05 14 09.68 -24 37.7 7.039 6.071 11.6 1.9 22.6 2009 11 10 14 12.42 -25 09.2 7.063 6.105 13.8 2.2 22.6 2009 11 15 14 15.12 -25 40.8 7.080 6.140 16.8 2.7 22.6 2009 11 20 14 17.77 -26 12.5 7.092 6.175 20.4 3.2 22.7 2009 11 25 14 20.33 -26 44.3 7.097 6.210 24.1 3.7 22.7 2009 11 30 14 22.81 -27 16.1 7.097 6.244 28.1 4.3 22.7 2009 12 05 14 25.18 -27 48.0 7.091 6.279 32.2 4.8 22.7 2009 12 10 14 27.43 -28 19.8 7.080 6.314 36.3 5.3 22.8 2009 12 15 14 29.55 -28 51.6 7.064 6.348 40.6 5.8 22.8 2009 12 20 14 31.52 -29 23.3 7.042 6.383 44.9 6.2 22.8 2009 12 25 14 33.32 -29 55.0 7.016 6.418 49.2 6.7 22.8 2009 12 30 14 34.93 -30 26.5 6.986 6.452 53.7 7.1 22.8 2010 01 04 14 36.35 -30 57.8 6.952 6.487 58.1 7.4 22.8 2010 01 09 14 37.54 -31 28.8 6.914 6.521 62.7 7.7 22.8 2010 01 14 14 38.50 -31 59.6 6.873 6.556 67.2 8.0 22.9 2010 01 19 14 39.22 -32 30.1 6.830 6.590 71.8 8.2 22.9 2010 01 24 14 39.66 -33 00.0 6.785 6.624 76.5 8.3 22.9 2010 01 29 14 39.82 -33 29.5 6.738 6.659 81.2 8.4 22.9 2010 02 03 14 39.69 -33 58.3 6.691 6.693 85.9 8.4 22.9 2010 02 08 14 39.25 -34 26.3 6.643 6.727 90.7 8.4 22.9 2010 02 13 14 38.50 -34 53.5 6.595 6.762 95.5 8.4 22.9 2010 02 18 14 37.43 -35 19.6 6.549 6.796 100.3 8.2 22.9 2010 02 23 14 36.03 -35 44.5 6.504 6.830 105.2 8.0 22.9 2010 02 28 14 34.31 -36 08.1 6.462 6.864 110.0 7.8 22.9 2010 03 05 14 32.28 -36 30.1 6.423 6.898 114.8 7.5 22.9 2010 03 10 14 29.93 -36 50.5 6.387 6.933 119.7 7.2 22.9 2010 03 15 14 27.29 -37 09.0 6.356 6.967 124.4 6.8 22.9 2010 03 20 14 24.38 -37 25.5 6.329 7.001 129.2 6.3 23.0 2010 03 25 14 21.22 -37 39.8 6.308 7.035 133.8 5.9 23.0 2010 03 30 14 17.84 -37 51.9 6.293 7.069 138.2 5.4 23.0 2010 04 04 14 14.29 -38 01.6 6.284 7.103 142.4 4.9 23.0 2010 04 09 14 10.59 -38 08.9 6.281 7.136 146.3 4.5 23.0 2010 04 14 14 06.79 -38 13.8 6.286 7.170 149.7 4.0 23.0 2010 04 19 14 02.94 -38 16.2 6.298 7.204 152.5 3.7 23.1 2010 04 24 13 59.09 -38 16.4 6.318 7.238 154.4 3.4 23.1 2010 04 29 13 55.28 -38 14.4 6.345 7.272 155.2 3.3 23.1 2010 05 04 13 51.55 -38 10.5 6.380 7.305 154.9 3.4 23.2 2010 05 09 13 47.94 -38 04.7 6.422 7.339 153.5 3.5 23.2 2010 05 14 13 44.49 -37 57.3 6.471 7.373 151.2 3.8 23.2 2010 05 19 13 41.23 -37 48.7 6.528 7.406 148.1 4.1 23.3 2010 05 24 13 38.20 -37 39.0 6.591 7.440 144.6 4.5 23.3 2010 05 29 13 35.42 -37 28.6 6.661 7.473 140.7 4.9 23.4 2010 06 03 13 32.90 -37 17.7 6.737 7.507 136.6 5.3 23.4 2010 06 08 13 30.65 -37 06.6 6.818 7.540 132.4 5.7 23.4 2010 06 13 13 28.69 -36 55.5 6.905 7.574 128.1 6.1 23.5 2010 06 18 13 27.02 -36 44.7 6.997 7.607 123.7 6.4 23.5 2010 06 23 13 25.64 -36 34.5 7.092 7.640 119.3 6.7 23.6 2010 06 28 13 24.54 -36 24.9 7.191 7.674 114.8 6.9 23.6 2010 07 03 13 23.73 -36 16.1 7.293 7.707 110.4 7.1 23.7 2010 07 08 13 23.19 -36 08.3 7.397 7.740 106.0 7.3 23.7 2010 07 13 13 22.91 -36 01.7 7.504 7.773 101.7 7.4 23.8This 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.
