C/2009 R1 (McNaught)
Orbital Elements
The following orbital elements are taken from MPC 67148:C/2009 R1 (McNaught) Epoch 2010 June 13.0 TT = JDT 2455360.5 T 2010 July 2.6535 TT MPC q 0.405011 (2000.0) P Q z -0.000808 Peri. 130.7004 -0.4147824 -0.6914935 +/-0.000035 Node 322.6291 +0.1935863 +0.5680401 e 1.000327 Incl. 77.0070 +0.8890894 -0.4462815 From 80 observations 2009 July 20-Sept. 26, mean residual 0".5.Elements are also available for the current standard epoch:
C/2009 R1 (McNaught) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2010 July 2.6345 TT MPC q 0.404913 (2000.0) P Q z -0.001052 Peri. 130.6999 -0.4149108 -0.6913753 +/-0.000035 Node 322.6287 +0.1933953 +0.5682086 e 1.000426 Incl. 77.0248 +0.8890710 -0.4462500An 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 10 26 20 43.94 -30 56.6 3.830 3.999 92.5 14.4 16.9 2009 10 31 20 42.74 -30 26.7 3.857 3.941 87.5 14.6 16.9 2009 11 05 20 42.04 -29 55.6 3.884 3.883 82.6 14.7 16.8 2009 11 10 20 41.84 -29 23.3 3.909 3.824 77.8 14.7 16.8 2009 11 15 20 42.12 -28 50.0 3.933 3.765 73.0 14.6 16.7 2009 11 20 20 42.84 -28 15.8 3.955 3.706 68.3 14.3 16.7 2009 11 25 20 44.00 -27 40.7 3.974 3.646 63.7 14.1 16.6 2009 11 30 20 45.55 -27 04.8 3.989 3.585 59.2 13.7 16.5 2009 12 05 20 47.48 -26 28.1 4.001 3.525 54.7 13.2 16.5 2009 12 10 20 49.76 -25 50.6 4.008 3.463 50.3 12.6 16.4 2009 12 15 20 52.36 -25 12.3 4.011 3.402 46.0 12.0 16.3 2009 12 20 20 55.28 -24 33.0 4.008 3.339 41.8 11.3 16.3 2009 12 25 20 58.47 -23 52.8 4.001 3.277 37.6 10.5 16.2 2009 12 30 21 01.93 -23 11.6 3.988 3.213 33.4 9.7 16.1 2010 01 04 21 05.64 -22 29.3 3.969 3.150 29.4 8.8 16.0 2010 01 09 21 09.57 -21 45.8 3.945 3.085 25.4 7.9 15.9 2010 01 14 21 13.71 -21 01.1 3.915 3.020 21.4 6.8 15.8 2010 01 19 21 18.06 -20 15.0 3.878 2.955 17.6 5.8 15.6 2010 01 24 21 22.59 -19 27.3 3.835 2.889 13.8 4.6 15.5 2010 01 29 21 27.29 -18 38.0 3.787 2.822 10.0 3.5 15.4 2010 02 03 21 32.16 -17 47.0 3.732 2.755 6.5 2.3 15.3 2010 02 08 21 37.18 -16 53.9 3.671 2.687 3.3 1.2 15.1 2010 02 13 21 42.36 -15 58.7 3.604 2.618 2.6 1.0 15.0 2010 02 18 21 47.69 -15 01.1 3.531 2.548 5.3 2.0 14.8 2010 02 23 21 53.17 -14 00.9 3.452 2.478 8.5 3.4 14.6 2010 02 28 21 58.79 -12 57.8 3.367 2.407 11.9 4.9 14.5 2010 03 05 22 04.57 -11 51.4 3.278 2.335 15.2 6.4 14.3 2010 03 10 22 10.51 -10 41.4 3.182 2.262 18.4 8.0 14.1 2010 03 15 22 16.62 -09 27.3 3.082 2.188 21.6 9.6 13.8 2010 03 20 22 22.93 -08 08.5 2.977 2.113 24.7 11.3 13.6 2010 03 25 22 29.44 -06 44.5 2.868 2.038 27.6 13.1 13.4 2010 03 30 22 36.20 -05 14.4 2.754 1.961 30.5 15.0 13.1 2010 04 04 22 43.23 -03 37.3 2.637 1.883 33.3 17.0 12.9 2010 04 09 22 50.61 -01 52.0 2.516 1.803 35.9 19.0 12.6 2010 04 14 22 58.39 +00 02.7 2.393 1.723 38.4 21.2 12.3 2010 04 19 23 06.67 +02 08.7 2.267 1.641 40.7 23.5 11.9 2010 04 24 23 15.57 +04 27.8 2.140 1.558 42.7 26.0 11.6 2010 04 29 23 25.26 +07 02.6 2.012 1.473 44.5 28.6 11.2 2010 05 04 23 35.99 +09 56.1 1.884 1.387 46.0 31.5 10.8 2010 05 09 23 48.09 +13 11.8 1.758 1.300 47.0 34.6 10.4 2010 05 14 00 02.04 +16 53.6 1.635 1.210 47.6 38.0 9.9 2010 05 19 00 18.56 +21 05.1 1.517 1.119 47.5 41.8 9.4 2010 05 24 00 38.69 +25 48.9 1.408 1.026 46.7 45.9 8.9 2010 05 29 01 04.06 +31 03.2 1.311 0.932 45.1 50.3 8.3 2010 06 03 01 37.04 +36 37.2 1.230 0.837 42.5 54.9 7.7 2010 06 08 02 20.73 +42 01.6 1.171 0.742 38.8 59.1 7.0 2010 06 13 03 17.79 +46 19.9 1.139 0.647 34.4 62.3 6.4 2010 06 18 04 26.49 +48 14.0 1.139 0.558 29.3 63.0 5.7 2010 06 23 05 37.00 +46 44.8 1.171 0.480 24.0 59.6 5.2 2010 06 28 06 36.84 +42 00.7 1.231 0.424 18.8 50.7 4.7 2010 07 03 07 20.69 +35 08.7 1.305 0.405 14.2 37.9 4.7 2010 07 08 07 50.73 +27 30.3 1.382 0.430 10.9 26.7 5.0 2010 07 13 08 11.73 +20 04.7 1.454 0.489 10.3 21.9 5.7 2010 07 18 08 27.57 +13 16.4 1.521 0.570 12.2 22.1 6.5 2010 07 23 08 40.53 +07 08.3 1.584 0.660 15.2 23.8 7.2 2010 07 28 08 51.84 +01 35.8 1.646 0.754 18.4 25.2 7.9 2010 08 02 09 02.13 -03 26.9 1.707 0.850 21.6 26.1 8.5 2010 08 07 09 11.78 -08 05.0 1.767 0.945 24.7 26.6 9.0 2010 08 12 09 20.99 -12 22.8 1.826 1.039 27.5 26.8 9.5 2010 08 17 09 29.89 -16 23.6 1.886 1.131 30.2 26.7 9.9 2010 08 22 09 38.56 -20 10.3 1.945 1.222 32.7 26.5 10.3 2010 08 27 09 47.08 -23 44.8 2.004 1.311 35.0 26.2 10.7 2010 09 01 09 55.47 -27 09.0 2.063 1.399 37.2 25.9 11.0 2010 09 06 10 03.79 -30 24.2 2.122 1.485 39.2 25.4 11.4 2010 09 11 10 12.04 -33 31.7 2.181 1.569 41.1 25.0 11.7 2010 09 16 10 20.23 -36 32.2 2.240 1.652 42.9 24.5 11.9 2010 09 21 10 28.40 -39 26.6 2.298 1.734 44.6 24.0 12.2 2010 09 26 10 36.54 -42 15.4 2.357 1.814 46.2 23.5 12.4 2010 10 01 10 44.67 -44 59.0 2.416 1.893 47.7 23.0 12.7 2010 10 06 10 52.81 -47 38.1 2.475 1.971 49.1 22.5 12.9 2010 10 11 11 00.96 -50 12.8 2.534 2.048 50.4 22.1 13.1 2010 10 16 11 09.13 -52 43.5 2.592 2.123 51.7 21.6 13.3 2010 10 21 11 17.32 -55 10.3 2.651 2.198 52.8 21.2 13.5 2010 10 26 11 25.56 -57 33.4 2.709 2.272 54.0 20.7 13.7 2010 10 31 11 33.85 -59 53.0 2.768 2.344 55.0 20.3 13.9 2010 11 05 11 42.20 -62 09.2 2.826 2.416 56.0 19.9 14.1 2010 11 10 11 50.64 -64 22.2 2.884 2.487 57.0 19.5 14.3 2010 11 15 11 59.17 -66 31.9 2.941 2.557 57.9 19.1 14.4 2010 11 20 12 07.82 -68 38.4 2.999 2.627 58.8 18.8 14.6 2010 11 25 12 16.63 -70 41.8 3.056 2.695 59.7 18.4 14.7 2010 11 30 12 25.65 -72 42.0 3.112 2.763 60.5 18.1 14.9This 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.
