MPC
CBAT
ICQ
C/2007 S2 (Lemmon) Epoch 2008 Sept. 11.0 TT = JDT 2454720.5 T 2008 Sept. 14.3098 TT MPC q 5.558745 (2000.0) P Q n 0.0221904 Peri. 210.4119 -0.8159419 -0.5162935 a 12.541783 Node 296.2520 +0.5714425 -0.6519654 e 0.556782 Incl. 16.8623 +0.0877055 -0.5553217 P 44.4 From 227 observations 2007 Sept. 25-2008 Mar. 6, mean residual 0".5.Elements are also available for the current standard epoch:
C/2007 S2 (Lemmon) Epoch 2008 May 14.0 TT = JDT 2454600.5 T 2008 Sept. 14.4685 TT MPC q 5.558691 (2000.0) P Q n 0.0221795 Peri. 210.4260 -0.8160784 -0.5160735 a 12.545910 Node 296.2532 +0.5712703 -0.6521099 e 0.556932 Incl. 16.8630 +0.0875571 -0.5553566 P 44.4An 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 07 13 09 04.38 +10 32.2 6.472 5.569 25.2 4.5 18.0 2008 07 18 09 08.47 +10 08.9 6.500 5.568 21.7 3.9 18.0 2008 07 23 09 12.59 +09 44.9 6.522 5.566 18.2 3.3 18.0 2008 07 28 09 16.74 +09 20.1 6.541 5.565 14.8 2.7 18.0 2008 08 02 09 20.91 +08 54.6 6.554 5.564 11.7 2.1 18.0 2008 08 07 09 25.09 +08 28.5 6.563 5.563 8.9 1.6 18.0 2008 08 12 09 29.27 +08 01.7 6.566 5.562 6.9 1.3 18.0 2008 08 17 09 33.44 +07 34.4 6.565 5.561 6.7 1.2 18.0 2008 08 22 09 37.59 +07 06.4 6.559 5.560 8.2 1.5 18.0 2008 08 27 09 41.71 +06 38.0 6.549 5.560 10.9 2.0 18.0 2008 09 01 09 45.79 +06 09.1 6.533 5.559 14.0 2.5 18.0 2008 09 06 09 49.84 +05 39.7 6.513 5.559 17.4 3.1 18.0 2008 09 11 09 53.82 +05 10.0 6.487 5.559 20.9 3.7 18.0 2008 09 16 09 57.74 +04 39.9 6.458 5.559 24.5 4.3 18.0 2008 09 21 10 01.58 +04 09.6 6.423 5.559 28.2 4.9 18.0 2008 09 26 10 05.35 +03 39.1 6.385 5.559 31.9 5.5 18.0 2008 10 01 10 09.01 +03 08.4 6.342 5.559 35.7 6.0 18.0 2008 10 06 10 12.58 +02 37.6 6.294 5.560 39.5 6.6 17.9 2008 10 11 10 16.02 +02 06.8 6.243 5.561 43.4 7.1 17.9 2008 10 16 10 19.34 +01 36.1 6.188 5.561 47.3 7.6 17.9 2008 10 21 10 22.52 +01 05.5 6.130 5.562 51.3 8.0 17.9 2008 10 26 10 25.56 +00 35.1 6.068 5.563 55.3 8.5 17.9 2008 10 31 10 28.43 +00 05.0 6.003 5.565 59.4 8.8 17.8 2008 11 05 10 31.13 -00 24.7 5.936 5.566 63.6 9.2 17.8 2008 11 10 10 33.64 -00 53.9 5.866 5.567 67.8 9.5 17.8 2008 11 15 10 35.95 -01 22.5 5.794 5.569 72.0 9.7 17.8 2008 11 20 10 38.05 -01 50.5 5.721 5.571 76.3 9.9 17.7 2008 11 25 10 39.93 -02 17.7 5.646 5.572 80.7 10.1 17.7 2008 11 30 10 41.57 -02 44.0 5.570 5.574 85.2 10.2 17.7 2008 12 05 10 42.97 -03 09.2 5.495 5.577 89.7 10.2 17.7 2008 12 10 10 44.10 -03 33.4 5.419 5.579 94.2 10.1 17.6 2008 12 15 10 44.98 -03 56.3 5.344 5.581 98.9 10.0 17.6 2008 12 20 10 45.58 -04 17.8 5.270 5.584 103.6 9.9 17.6 2008 12 25 10 45.91 -04 37.9 5.198 5.586 108.3 9.6 17.6 2008 12 30 10 45.95 -04 56.3 5.129 5.589 113.2 9.3 17.5 2009 01 04 10 45.71 -05 13.0 5.062 5.592 118.0 8.9 17.5 2009 01 09 10 45.20 -05 27.9 4.999 5.595 123.0 8.5 17.5 2009 01 14 10 44.42 -05 40.9 4.939 5.598 127.9 8.0 17.4 2009 01 19 10 43.38 -05 51.9 4.885 5.601 132.9 7.4 17.4 2009 01 24 10 42.10 -06 00.8 4.835 5.605 137.9 6.8 17.4 2009 01 29 10 40.61 -06 07.7 4.792 5.608 142.9 6.1 17.4 2009 02 03 10 38.91 -06 12.5 4.754 5.612 147.7 5.4 17.4 2009 02 08 10 37.06 -06 15.3 4.723 5.616 152.5 4.7 17.4 2009 02 13 10 35.08 -06 16.1 4.698 5.620 156.9 4.0 17.4 2009 02 18 10 33.00 -06 15.0 4.681 5.624 160.8 3.3 17.4 2009 02 23 10 30.86 -06 12.2 4.671 5.628 163.8 2.8 17.4 2009 02 28 10 28.71 -06 07.8 4.668 5.632 165.3 2.6 17.4 2009 03 05 10 26.59 -06 02.0 4.673 5.637 164.9 2.6 17.4 2009 03 10 10 24.53 -05 55.1 4.686 5.641 162.6 3.0 17.4 2009 03 15 10 22.58 -05 47.2 4.705 5.646 159.2 3.6 17.4 2009 03 20 10 20.77 -05 38.7 4.732 5.651 155.1 4.3 17.4 2009 03 25 10 19.12 -05 29.8 4.765 5.655 150.6 5.0 17.4 2009 03 30 10 17.68 -05 20.7 4.805 5.661 145.9 5.7 17.4 2009 04 04 10 16.46 -05 11.6 4.852 5.666 141.2 6.4 17.5 2009 04 09 10 15.48 -05 03.0 4.903 5.671 136.4 7.0 17.5 2009 04 14 10 14.75 -04 54.8 4.960 5.676 131.6 7.6 17.5 2009 04 19 10 14.29 -04 47.3 5.022 5.682 126.9 8.1 17.5 2009 04 24 10 14.10 -04 40.8 5.088 5.688 122.2 8.6 17.6 2009 04 29 10 14.18 -04 35.2 5.158 5.693 117.5 9.0 17.6 2009 05 04 10 14.54 -04 30.9 5.231 5.699 112.9 9.4 17.7 2009 05 09 10 15.16 -04 27.8 5.306 5.705 108.4 9.7 17.7 2009 05 14 10 16.05 -04 26.0 5.384 5.711 103.9 9.9 17.7 2009 05 19 10 17.18 -04 25.7 5.463 5.718 99.5 10.1 17.8 2009 05 24 10 18.57 -04 26.8 5.543 5.724 95.2 10.1 17.8 2009 05 29 10 20.19 -04 29.4 5.624 5.730 90.9 10.2 17.8 2009 06 03 10 22.03 -04 33.5 5.705 5.737 86.7 10.2 17.9 2009 06 08 10 24.08 -04 39.1 5.786 5.744 82.6 10.1 17.9 2009 06 13 10 26.33 -04 46.1 5.867 5.750 78.5 10.0 17.9 2009 06 18 10 28.76 -04 54.7 5.946 5.757 74.4 9.8 18.0 2009 06 23 10 31.37 -05 04.7 6.024 5.764 70.5 9.6 18.0 2009 06 28 10 34.14 -05 16.1 6.100 5.772 66.5 9.3 18.0 2009 07 03 10 37.06 -05 29.0 6.174 5.779 62.7 9.0 18.1 2009 07 08 10 40.11 -05 43.2 6.246 5.786 58.9 8.6 18.1 2009 07 13 10 43.29 -05 58.6 6.315 5.794 55.1 8.3 18.1 2009 07 18 10 46.59 -06 15.4 6.382 5.801 51.3 7.9 18.2 2009 07 23 10 49.98 -06 33.4 6.445 5.809 47.6 7.4 18.2 2009 07 28 10 53.48 -06 52.5 6.504 5.817 44.0 7.0 18.2 2009 08 02 10 57.05 -07 12.8 6.560 5.825 40.4 6.5 18.2 2009 08 07 11 00.70 -07 34.1 6.613 5.833 36.8 6.0 18.3 2009 08 12 11 04.41 -07 56.5 6.661 5.841 33.3 5.5 18.3 2009 08 17 11 08.17 -08 19.8 6.705 5.849 29.9 5.0 18.3This 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.
