C/2007 U1 (LINEAR)
Orbital Elements
The following orbital elements are taken from MPC 63599:C/2007 U1 (LINEAR) Epoch 2008 Aug. 2.0 TT = JDT 2454680.5 T 2008 Aug. 7.0616 TT MPC q 3.329138 (2000.0) P Q z -0.000430 Peri. 0.9297 +0.6536471 +0.6991223 +/-0.000003 Node 50.0427 +0.6918872 -0.7071925 e 1.001432 Incl. 157.7872 +0.3066556 +0.1053890 From 259 observations 2007 Oct. 19-2008 Aug. 7, mean residual 0".6.Elements are also available for the current standard epoch:
C/2007 U1 (LINEAR) Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2008 Aug. 7.1274 TT MPC q 3.329628 (2000.0) P Q z -0.000371 Peri. 0.9545 +0.6538659 +0.6989105 +/-0.000003 Node 50.0490 +0.6916475 -0.7074189 e 1.001234 Incl. 157.7880 +0.3067297 +0.1052744An 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 23 54.46 +19 03.5 4.564 4.352 71.6 12.8 18.7 2009 06 13 23 52.16 +19 21.9 4.503 4.380 76.6 13.0 18.7 2009 06 18 23 49.43 +19 38.7 4.442 4.409 81.6 13.2 18.7 2009 06 23 23 46.26 +19 53.8 4.379 4.437 86.7 13.2 18.7 2009 06 28 23 42.61 +20 06.9 4.317 4.466 91.8 13.1 18.7 2009 07 03 23 38.49 +20 17.4 4.255 4.496 97.1 13.0 18.7 2009 07 08 23 33.87 +20 25.3 4.196 4.525 102.4 12.7 18.7 2009 07 13 23 28.77 +20 29.9 4.140 4.554 107.8 12.3 18.7 2009 07 18 23 23.19 +20 31.1 4.087 4.584 113.2 11.8 18.7 2009 07 23 23 17.15 +20 28.3 4.039 4.614 118.7 11.1 18.7 2009 07 28 23 10.68 +20 21.2 3.997 4.644 124.2 10.4 18.7 2009 08 02 23 03.83 +20 09.7 3.961 4.674 129.6 9.6 18.7 2009 08 07 22 56.66 +19 53.4 3.933 4.704 134.9 8.8 18.7 2009 08 12 22 49.23 +19 32.3 3.914 4.735 139.9 7.9 18.7 2009 08 17 22 41.64 +19 06.5 3.904 4.765 144.6 7.1 18.7 2009 08 22 22 33.96 +18 36.1 3.903 4.796 148.7 6.3 18.8 2009 08 27 22 26.29 +18 01.4 3.912 4.827 151.8 5.7 18.8 2009 09 01 22 18.72 +17 22.9 3.932 4.857 153.7 5.3 18.8 2009 09 06 22 11.35 +16 41.1 3.963 4.889 154.0 5.2 18.9 2009 09 11 22 04.25 +15 56.8 4.003 4.920 152.7 5.4 18.9 2009 09 16 21 57.49 +15 10.6 4.055 4.951 150.0 5.8 19.0 2009 09 21 21 51.13 +14 23.1 4.116 4.982 146.3 6.4 19.0 2009 09 26 21 45.23 +13 35.3 4.186 5.014 141.9 7.1 19.1 2009 10 01 21 39.82 +12 47.6 4.265 5.045 137.1 7.8 19.2 2009 10 06 21 34.90 +12 00.8 4.352 5.077 132.1 8.4 19.2 2009 10 11 21 30.50 +11 15.3 4.446 5.109 126.9 9.0 19.3 2009 10 16 21 26.61 +10 31.6 4.547 5.140 121.6 9.5 19.4 2009 10 21 21 23.22 +09 49.9 4.653 5.172 116.3 9.9 19.5 2009 10 26 21 20.33 +09 10.6 4.764 5.204 111.1 10.3 19.6 2009 10 31 21 17.90 +08 34.0 4.878 5.236 105.8 10.5 19.6 2009 11 05 21 15.91 +08 00.0 4.995 5.268 100.6 10.7 19.7 2009 11 10 21 14.34 +07 28.7 5.114 5.301 95.5 10.7 19.8 2009 11 15 21 13.16 +07 00.3 5.233 5.333 90.4 10.7 19.9 2009 11 20 21 12.35 +06 34.7 5.354 5.365 85.4 10.6 19.9 2009 11 25 21 11.87 +06 11.8 5.473 5.398 80.4 10.4 20.0 2009 11 30 21 11.69 +05 51.6 5.591 5.430 75.6 10.1 20.1 2009 12 05 21 11.79 +05 34.1 5.707 5.463 70.8 9.8 20.2 2009 12 10 21 12.14 +05 19.1 5.821 5.495 66.0 9.4 20.2 2009 12 15 21 12.71 +05 06.5 5.931 5.528 61.4 9.0 20.3 2009 12 20 21 13.48 +04 56.3 6.038 5.560 56.8 8.5 20.4 2009 12 25 21 14.43 +04 48.4 6.140 5.593 52.3 8.0 20.4 2009 12 30 21 15.53 +04 42.6 6.238 5.626 47.9 7.4 20.5 2010 01 04 21 16.75 +04 38.8 6.330 5.659 43.6 6.9 20.5 2010 01 09 21 18.09 +04 36.9 6.417 5.691 39.4 6.3 20.6 2010 01 14 21 19.51 +04 36.8 6.498 5.724 35.4 5.7 20.6 2010 01 19 21 21.01 +04 38.4 6.573 5.757 31.5 5.1 20.7 2010 01 24 21 22.55 +04 41.7 6.641 5.790 28.0 4.6 20.7 2010 01 29 21 24.13 +04 46.4 6.703 5.823 24.8 4.1 20.8 2010 02 03 21 25.72 +04 52.5 6.758 5.856 22.1 3.6 20.8 2010 02 08 21 27.30 +04 59.9 6.805 5.889 20.1 3.3 20.9 2010 02 13 21 28.88 +05 08.6 6.846 5.922 19.1 3.1 20.9 2010 02 18 21 30.41 +05 18.3 6.880 5.955 19.1 3.1 20.9 2010 02 23 21 31.90 +05 29.0 6.907 5.988 20.2 3.3 21.0 2010 02 28 21 33.32 +05 40.6 6.927 6.022 22.2 3.6 21.0 2010 03 05 21 34.66 +05 53.1 6.940 6.055 24.9 3.9 21.0 2010 03 10 21 35.91 +06 06.2 6.947 6.088 28.0 4.4 21.1 2010 03 15 21 37.06 +06 19.9 6.947 6.121 31.5 4.9 21.1 2010 03 20 21 38.07 +06 34.2 6.940 6.154 35.3 5.4 21.1 2010 03 25 21 38.95 +06 48.8 6.928 6.188 39.2 5.9 21.1 2010 03 30 21 39.68 +07 03.7 6.909 6.221 43.3 6.3 21.1 2010 04 04 21 40.25 +07 18.8 6.886 6.254 47.5 6.8 21.2 2010 04 09 21 40.63 +07 34.0 6.857 6.287 51.8 7.2 21.2 2010 04 14 21 40.83 +07 49.2 6.824 6.321 56.2 7.6 21.2 2010 04 19 21 40.82 +08 04.2 6.787 6.354 60.6 7.9 21.2 2010 04 24 21 40.60 +08 18.9 6.746 6.387 65.1 8.2 21.2 2010 04 29 21 40.14 +08 33.2 6.701 6.420 69.6 8.5 21.2 2010 05 04 21 39.45 +08 46.9 6.655 6.454 74.2 8.6 21.2 2010 05 09 21 38.51 +09 00.0 6.606 6.487 78.9 8.8 21.2 2010 05 14 21 37.32 +09 12.2 6.556 6.520 83.6 8.9 21.2 2010 05 19 21 35.86 +09 23.5 6.505 6.554 88.3 8.9 21.2 2010 05 24 21 34.13 +09 33.6 6.455 6.587 93.1 8.8 21.2 2010 05 29 21 32.13 +09 42.4 6.405 6.620 97.9 8.7 21.2 2010 06 03 21 29.86 +09 49.7 6.356 6.654 102.8 8.6 21.2 2010 06 08 21 27.32 +09 55.5 6.309 6.687 107.6 8.3 21.3 2010 06 13 21 24.52 +09 59.5 6.266 6.720 112.5 8.0 21.3 2010 06 18 21 21.47 +10 01.6 6.226 6.754 117.4 7.7 21.3 2010 06 23 21 18.18 +10 01.7 6.190 6.787 122.3 7.3 21.3 2010 06 28 21 14.67 +09 59.7 6.159 6.820 127.1 6.8 21.3 2010 07 03 21 10.97 +09 55.5 6.134 6.854 131.8 6.3 21.3 2010 07 08 21 07.09 +09 49.0 6.115 6.887 136.4 5.8 21.3 2010 07 13 21 03.07 +09 40.3 6.103 6.920 140.8 5.3 21.3This 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.
