P/2009 S2 (McNaught)
Orbital Elements
The following orbital elements are taken from MPC 67148:P/2009 S2 (McNaught) Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2009 June 23.6376 TT MPC q 2.203638 (2000.0) P Q n 0.1160773 Peri. 230.3735 +0.9110286 +0.0738005 a 4.162023 Node 121.6140 -0.0266696 +0.9923390 e 0.470537 Incl. 28.4493 -0.4114798 +0.0990793 P 8.49 From 45 observations 2008 May 30-2009 Sept. 29, mean residual 0".5.Elements are also available for the current standard epoch:
P/2009 S2 (McNaught) Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2009 June 23.6355 TT MPC q 2.203702 (2000.0) P Q n 0.1161592 Peri. 230.3770 +0.9110299 +0.0737687 a 4.160066 Node 121.6126 -0.0266292 +0.9923387 e 0.470272 Incl. 28.4490 -0.4114795 +0.0991067 P 8.48An 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 03 21.98 -28 59.3 1.606 2.408 134.3 17.2 18.8 2009 10 31 03 18.16 -29 04.1 1.620 2.424 134.7 16.9 18.9 2009 11 05 03 14.16 -28 58.6 1.638 2.440 134.7 16.8 18.9 2009 11 10 03 10.10 -28 42.7 1.661 2.456 134.2 16.8 19.0 2009 11 15 03 06.15 -28 16.6 1.688 2.473 133.2 17.0 19.1 2009 11 20 03 02.43 -27 40.7 1.720 2.490 131.7 17.2 19.1 2009 11 25 02 59.06 -26 55.7 1.756 2.507 129.9 17.6 19.2 2009 11 30 02 56.15 -26 02.5 1.797 2.525 127.8 18.0 19.3 2009 12 05 02 53.76 -25 02.1 1.842 2.543 125.4 18.4 19.4 2009 12 10 02 51.94 -23 55.7 1.891 2.562 122.8 18.9 19.5 2009 12 15 02 50.71 -22 44.3 1.944 2.580 120.0 19.3 19.6 2009 12 20 02 50.09 -21 28.8 2.000 2.599 117.0 19.7 19.7 2009 12 25 02 50.08 -20 10.2 2.060 2.619 113.9 20.1 19.8 2009 12 30 02 50.66 -18 49.5 2.123 2.638 110.8 20.4 19.8 2010 01 04 02 51.81 -17 27.5 2.189 2.658 107.6 20.6 19.9 2010 01 09 02 53.48 -16 04.8 2.258 2.678 104.4 20.8 20.0 2010 01 14 02 55.66 -14 42.0 2.329 2.698 101.1 21.0 20.1 2010 01 19 02 58.32 -13 19.6 2.403 2.718 97.9 21.0 20.2 2010 01 24 03 01.42 -11 58.1 2.478 2.739 94.6 21.0 20.3 2010 01 29 03 04.93 -10 37.8 2.555 2.760 91.4 20.9 20.4 2010 02 03 03 08.80 -09 19.1 2.633 2.781 88.1 20.7 20.5 2010 02 08 03 13.02 -08 02.2 2.712 2.802 84.9 20.5 20.6 2010 02 13 03 17.55 -06 47.1 2.791 2.823 81.7 20.2 20.7 2010 02 18 03 22.37 -05 34.2 2.872 2.845 78.5 19.9 20.8 2010 02 23 03 27.45 -04 23.5 2.952 2.866 75.3 19.5 20.9 2010 02 28 03 32.78 -03 15.2 3.032 2.888 72.2 19.1 21.0 2010 03 05 03 38.32 -02 09.4 3.112 2.909 69.1 18.6 21.1 2010 03 10 03 44.05 -01 06.0 3.192 2.931 66.0 18.0 21.2 2010 03 15 03 49.96 -00 05.1 3.271 2.953 62.9 17.4 21.3 2010 03 20 03 56.04 +00 53.3 3.349 2.975 59.8 16.8 21.4 2010 03 25 04 02.26 +01 49.1 3.425 2.997 56.8 16.2 21.4 2010 03 30 04 08.61 +02 42.3 3.500 3.020 53.8 15.5 21.5 2010 04 04 04 15.07 +03 32.9 3.574 3.042 50.8 14.8 21.6 2010 04 09 04 21.64 +04 20.9 3.646 3.064 47.8 14.0 21.7 2010 04 14 04 28.29 +05 06.4 3.715 3.086 44.8 13.2 21.7 2010 04 19 04 35.02 +05 49.4 3.783 3.109 41.9 12.5 21.8 2010 04 24 04 41.82 +06 29.8 3.848 3.131 39.0 11.7 21.9 2010 04 29 04 48.66 +07 07.8 3.910 3.154 36.1 10.9 21.9 2010 05 04 04 55.54 +07 43.3 3.970 3.176 33.3 10.0 22.0 2010 05 09 05 02.46 +08 16.4 4.027 3.198 30.5 9.2 22.1 2010 05 14 05 09.40 +08 47.2 4.081 3.221 27.7 8.4 22.1 2010 05 19 05 16.35 +09 15.6 4.132 3.243 25.0 7.6 22.2 2010 05 24 05 23.30 +09 41.7 4.179 3.266 22.4 6.8 22.2 2010 05 29 05 30.24 +10 05.6 4.223 3.288 19.9 6.0 22.3 2010 06 03 05 37.16 +10 27.4 4.264 3.311 17.6 5.3 22.3 2010 06 08 05 44.06 +10 47.0 4.301 3.333 15.4 4.7 22.4 2010 06 13 05 50.92 +11 04.6 4.334 3.356 13.7 4.1 22.4 2010 06 18 05 57.74 +11 20.2 4.363 3.378 12.4 3.7 22.5 2010 06 23 06 04.50 +11 33.9 4.389 3.400 11.9 3.5 22.5 2010 06 28 06 11.19 +11 45.7 4.410 3.423 12.1 3.6 22.6 2010 07 03 06 17.81 +11 55.8 4.428 3.445 13.1 3.8 22.6 2010 07 08 06 24.36 +12 04.2 4.441 3.467 14.7 4.3 22.6 2010 07 13 06 30.81 +12 11.0 4.450 3.490 16.8 4.8 22.7 2010 07 18 06 37.16 +12 16.3 4.456 3.512 19.2 5.5 22.7 2010 07 23 06 43.40 +12 20.1 4.457 3.534 21.8 6.1 22.7 2010 07 28 06 49.51 +12 22.6 4.454 3.556 24.6 6.8 22.8 2010 08 02 06 55.50 +12 23.9 4.447 3.578 27.6 7.5 22.8 2010 08 07 07 01.35 +12 24.1 4.435 3.600 30.6 8.3 22.8 2010 08 12 07 07.05 +12 23.2 4.420 3.622 33.8 9.0 22.8 2010 08 17 07 12.59 +12 21.5 4.400 3.644 37.0 9.6 22.8 2010 08 22 07 17.95 +12 18.9 4.377 3.666 40.4 10.3 22.8 2010 08 27 07 23.12 +12 15.7 4.350 3.687 43.8 10.9 22.9 2010 09 01 07 28.09 +12 12.0 4.319 3.709 47.3 11.5 22.9 2010 09 06 07 32.86 +12 07.8 4.285 3.731 50.8 12.1 22.9 2010 09 11 07 37.40 +12 03.4 4.247 3.752 54.5 12.6 22.9 2010 09 16 07 41.69 +11 58.9 4.206 3.774 58.2 13.1 22.9 2010 09 21 07 45.73 +11 54.4 4.162 3.795 62.0 13.5 22.9 2010 09 26 07 49.49 +11 50.2 4.115 3.816 65.9 13.9 22.9 2010 10 01 07 52.97 +11 46.3 4.065 3.838 69.9 14.2 22.9 2010 10 06 07 56.14 +11 42.9 4.014 3.859 73.9 14.4 22.9 2010 10 11 07 58.98 +11 40.2 3.960 3.880 78.1 14.6 22.9 2010 10 16 08 01.48 +11 38.4 3.905 3.901 82.4 14.7 22.9 2010 10 21 08 03.62 +11 37.7 3.849 3.922 86.8 14.7 22.9 2010 10 26 08 05.38 +11 38.2 3.793 3.943 91.3 14.6 22.9 2010 10 31 08 06.74 +11 40.1 3.736 3.963 95.9 14.4 22.8 2010 11 05 08 07.70 +11 43.6 3.680 3.984 100.6 14.2 22.8 2010 11 10 08 08.22 +11 48.9 3.624 4.005 105.5 13.8 22.8 2010 11 15 08 08.30 +11 56.1 3.571 4.025 110.5 13.3 22.8 2010 11 20 08 07.94 +12 05.3 3.519 4.045 115.6 12.7 22.8 2010 11 25 08 07.14 +12 16.6 3.470 4.066 120.8 12.0 22.8 2010 11 30 08 05.89 +12 30.0 3.425 4.086 126.2 11.2 22.8This 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.
