MPC
CBAT
ICQ
C/2007 U1 (LINEAR) Epoch 2008 Aug. 2.0 TT = JDT 2454680.5 T 2008 Aug. 7.0204 TT MPC q 3.329274 (2000.0) P Q z -0.000544 Peri. 0.9213 +0.6535720 +0.6991993 +/-0.000043 Node 50.0406 +0.6919691 -0.7071127 e 1.001812 Incl. 157.7878 +0.3066306 +0.1054138 From 194 observations 2007 Oct. 19-2008 Jan. 19, mean residual 0".5.Elements are also available for the current standard epoch:
C/2007 U1 (LINEAR) Epoch 2008 May 14.0 TT = JDT 2454600.5 T 2008 Aug. 7.0232 TT MPC q 3.329267 (2000.0) P Q z -0.000577 Peri. 0.9220 +0.6535843 +0.6991920 +/-0.000043 Node 50.0403 +0.6919577 -0.7071224 e 1.001923 Incl. 157.7885 +0.3066302 +0.1053969An 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.
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! 2008 04 14 04 08.36 +13 19.8 4.223 3.500 39.0 10.4 17.6 2008 04 19 04 08.48 +13 45.2 4.271 3.486 34.2 9.3 17.6 2008 04 24 04 08.82 +14 10.1 4.312 3.473 29.5 8.2 17.6 2008 04 29 04 09.35 +14 34.5 4.347 3.460 24.9 7.1 17.6 2008 05 04 04 10.03 +14 58.4 4.374 3.447 20.4 5.9 17.6 2008 05 09 04 10.85 +15 21.9 4.395 3.435 16.0 4.6 17.6 2008 05 14 04 11.76 +15 44.9 4.408 3.424 11.7 3.4 17.6 2008 05 19 04 12.74 +16 07.5 4.413 3.414 7.7 2.3 17.6 2008 05 24 04 13.78 +16 29.7 4.412 3.403 4.8 1.4 17.5 2008 05 29 04 14.83 +16 51.6 4.402 3.394 5.3 1.6 17.5 2008 06 03 04 15.88 +17 13.0 4.385 3.385 8.5 2.5 17.5 2008 06 08 04 16.90 +17 34.2 4.361 3.377 12.6 3.7 17.5 2008 06 13 04 17.86 +17 55.1 4.329 3.369 16.8 5.0 17.5 2008 06 18 04 18.74 +18 15.7 4.289 3.363 21.2 6.3 17.4 2008 06 23 04 19.50 +18 36.1 4.243 3.356 25.7 7.5 17.4 2008 06 28 04 20.11 +18 56.3 4.190 3.351 30.2 8.8 17.4 2008 07 03 04 20.54 +19 16.4 4.130 3.346 34.8 10.0 17.3 2008 07 08 04 20.76 +19 36.3 4.064 3.341 39.4 11.1 17.3 2008 07 13 04 20.72 +19 56.2 3.991 3.338 44.1 12.2 17.2 2008 07 18 04 20.38 +20 16.0 3.913 3.335 48.9 13.3 17.2 2008 07 23 04 19.69 +20 35.7 3.830 3.332 53.8 14.2 17.1 2008 07 28 04 18.62 +20 55.4 3.742 3.331 58.7 15.1 17.1 2008 08 02 04 17.09 +21 15.1 3.650 3.330 63.8 15.9 17.0 2008 08 07 04 15.04 +21 34.6 3.555 3.329 69.0 16.5 17.0 2008 08 12 04 12.40 +21 54.1 3.456 3.330 74.4 17.0 16.9 2008 08 17 04 09.11 +22 13.2 3.356 3.331 79.9 17.4 16.9 2008 08 22 04 05.09 +22 31.9 3.255 3.332 85.5 17.6 16.8 2008 08 27 04 00.24 +22 49.8 3.154 3.335 91.4 17.6 16.7 2008 09 01 03 54.49 +23 06.7 3.053 3.338 97.5 17.4 16.7 2008 09 06 03 47.75 +23 22.1 2.955 3.341 103.7 17.0 16.6 2008 09 11 03 39.94 +23 35.2 2.861 3.346 110.3 16.4 16.5 2008 09 16 03 31.01 +23 45.4 2.772 3.351 117.0 15.5 16.5 2008 09 21 03 20.93 +23 51.7 2.689 3.356 124.1 14.3 16.4 2008 09 26 03 09.69 +23 53.2 2.615 3.362 131.3 12.9 16.4 2008 10 01 02 57.34 +23 48.6 2.551 3.369 138.8 11.3 16.3 2008 10 06 02 44.02 +23 37.0 2.498 3.377 146.5 9.4 16.3 2008 10 11 02 29.89 +23 17.8 2.459 3.385 154.1 7.4 16.2 2008 10 16 02 15.22 +22 50.4 2.434 3.394 161.5 5.3 16.2 2008 10 21 02 00.29 +22 15.2 2.424 3.403 167.8 3.6 16.2 2008 10 26 01 45.42 +21 32.6 2.430 3.413 170.0 2.9 16.3 2008 10 31 01 30.92 +20 44.2 2.452 3.424 166.2 4.0 16.3 2008 11 05 01 17.08 +19 51.5 2.489 3.435 159.5 5.8 16.3 2008 11 10 01 04.12 +18 56.6 2.541 3.447 152.1 7.7 16.4 2008 11 15 00 52.20 +18 01.1 2.606 3.459 144.5 9.6 16.5 2008 11 20 00 41.40 +17 06.8 2.683 3.472 137.1 11.2 16.5 2008 11 25 00 31.77 +16 15.0 2.771 3.486 129.8 12.6 16.6 2008 11 30 00 23.30 +15 26.8 2.867 3.500 122.7 13.7 16.7 2008 12 05 00 15.94 +14 42.8 2.971 3.515 115.9 14.6 16.8 2008 12 10 00 09.62 +14 03.5 3.081 3.530 109.3 15.3 16.9 2008 12 15 00 04.26 +13 29.0 3.194 3.546 102.9 15.7 17.0 2008 12 20 23 59.78 +12 59.2 3.311 3.562 96.7 15.9 17.1 2008 12 25 23 56.08 +12 34.1 3.428 3.579 90.7 16.0 17.2 2008 12 30 23 53.10 +12 13.5 3.547 3.596 84.9 15.8 17.3 2009 01 04 23 50.75 +11 57.0 3.664 3.614 79.3 15.5 17.4 2009 01 09 23 48.96 +11 44.5 3.780 3.632 73.8 15.1 17.5 2009 01 14 23 47.66 +11 35.6 3.894 3.650 68.5 14.5 17.6 2009 01 19 23 46.78 +11 30.1 4.004 3.670 63.3 13.9 17.7 2009 01 24 23 46.29 +11 27.6 4.111 3.689 58.3 13.1 17.7 2009 01 29 23 46.12 +11 28.0 4.213 3.709 53.3 12.3 17.8 2009 02 03 23 46.24 +11 31.0 4.310 3.730 48.5 11.4 17.9 2009 02 08 23 46.59 +11 36.3 4.401 3.750 43.7 10.5 18.0 2009 02 13 23 47.14 +11 43.8 4.486 3.772 39.1 9.5 18.0 2009 02 18 23 47.86 +11 53.2 4.565 3.793 34.6 8.5 18.1 2009 02 23 23 48.72 +12 04.4 4.637 3.815 30.3 7.5 18.1 2009 02 28 23 49.68 +12 17.3 4.703 3.838 26.1 6.5 18.2 2009 03 05 23 50.72 +12 31.6 4.761 3.861 22.2 5.6 18.3 2009 03 10 23 51.82 +12 47.2 4.812 3.884 18.6 4.7 18.3 2009 03 15 23 52.94 +13 04.0 4.856 3.907 15.6 3.9 18.3 2009 03 20 23 54.07 +13 21.9 4.892 3.931 13.6 3.4 18.4 2009 03 25 23 55.18 +13 40.7 4.921 3.955 13.0 3.3 18.4 2009 03 30 23 56.26 +14 00.4 4.942 3.980 13.9 3.5 18.5 2009 04 04 23 57.27 +14 20.8 4.956 4.005 16.1 4.0 18.5 2009 04 09 23 58.19 +14 41.8 4.962 4.030 19.2 4.7 18.5 2009 04 14 23 59.01 +15 03.4 4.962 4.055 22.7 5.5 18.6 2009 04 19 23 59.70 +15 25.4 4.954 4.081 26.6 6.3 18.6 2009 04 24 00 00.25 +15 47.7 4.940 4.107 30.7 7.2 18.6 2009 04 29 00 00.62 +16 10.3 4.919 4.133 34.9 8.0 18.6 2009 05 04 00 00.80 +16 32.9 4.892 4.160 39.2 8.8 18.6 2009 05 09 00 00.75 +16 55.6 4.859 4.187 43.6 9.6 18.7 2009 05 14 00 00.47 +17 18.1 4.821 4.214 48.1 10.3 18.7 2009 05 19 23 59.91 +17 40.3 4.778 4.241 52.7 10.9 18.7This 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.
