31P/Schwassmann-Wachmann
Orbital Elements
The following orbital elements are taken from MPC 59600:
31P/Schwassmann-Wachmann
Epoch 2010 Oct. 11.0 TT = JDT 2455480.5
T 2010 Sept. 29.4910 TT MPC
q 3.424323 (2000.0) P Q
n 0.1128003 Peri. 17.9324 -0.6698341 -0.7389812
a 4.242245 Node 114.1901 +0.6711633 -0.6442470
e 0.192804 Incl. 4.5468 +0.3175878 -0.1971104
P 8.74
From 535 observations 1979-2003, mean residual 0".9. Nongravitational
parameters A1 = +1.04, A2 = -0.2724.
Elements are also available for the current standard epoch:
31P/Schwassmann-Wachmann Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2010 Sept. 30.3312 TT MPC q 3.423778 (2000.0) P Q n 0.1129529 Peri. 18.0697 -0.6715736 -0.7373996 a 4.238425 Node 114.1879 +0.6696405 -0.6458312 e 0.192205 Incl. 4.5475 +0.3171286 -0.1978483 P 8.73An 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 04 01.60 +17 33.9 4.850 3.882 15.6 4.0 20.2 21.2 2009 06 13 04 07.76 +17 51.8 4.821 3.874 18.9 4.9 20.2 21.3 2009 06 18 04 13.91 +18 08.7 4.788 3.866 22.1 5.7 20.1 21.3 2009 06 23 04 20.05 +18 24.6 4.752 3.858 25.4 6.5 20.1 21.3 2009 06 28 04 26.15 +18 39.3 4.712 3.851 28.7 7.3 20.1 21.3 2009 07 03 04 32.21 +18 53.0 4.668 3.843 32.0 8.0 20.0 21.3 2009 07 08 04 38.22 +19 05.5 4.620 3.835 35.3 8.8 20.0 21.3 2009 07 13 04 44.16 +19 16.9 4.569 3.827 38.6 9.5 20.0 21.3 2009 07 18 04 50.03 +19 27.3 4.515 3.820 42.0 10.2 19.9 21.3 2009 07 23 04 55.80 +19 36.5 4.457 3.812 45.4 10.9 19.9 21.3 2009 07 28 05 01.46 +19 44.7 4.396 3.805 48.8 11.6 19.8 21.3 2009 08 02 05 07.00 +19 51.8 4.333 3.797 52.2 12.2 19.8 21.3 2009 08 07 05 12.40 +19 57.9 4.266 3.789 55.8 12.8 19.7 21.3 2009 08 12 05 17.65 +20 03.1 4.198 3.782 59.3 13.3 19.7 21.3 2009 08 17 05 22.72 +20 07.3 4.127 3.775 62.9 13.8 19.6 21.3 2009 08 22 05 27.60 +20 10.7 4.053 3.767 66.6 14.3 19.6 21.2 2009 08 27 05 32.27 +20 13.2 3.978 3.760 70.3 14.7 19.5 21.2 2009 09 01 05 36.69 +20 15.0 3.902 3.753 74.1 15.0 19.4 21.2 2009 09 06 05 40.87 +20 16.2 3.824 3.745 77.9 15.3 19.4 21.1 2009 09 11 05 44.76 +20 16.7 3.745 3.738 81.9 15.5 19.3 21.1 2009 09 16 05 48.36 +20 16.7 3.666 3.731 85.9 15.6 19.3 21.0 2009 09 21 05 51.62 +20 16.4 3.586 3.724 90.0 15.6 19.2 21.0 2009 09 26 05 54.53 +20 15.6 3.506 3.717 94.2 15.6 19.1 20.9 2009 10 01 05 57.06 +20 14.7 3.427 3.710 98.5 15.5 19.1 20.9 2009 10 06 05 59.19 +20 13.6 3.349 3.703 102.9 15.3 19.0 20.8 2009 10 11 06 00.90 +20 12.4 3.272 3.696 107.4 14.9 18.9 20.7 2009 10 16 06 02.16 +20 11.3 3.197 3.689 112.1 14.5 18.9 20.7 2009 10 21 06 02.94 +20 10.3 3.124 3.682 116.9 14.0 18.8 20.6 2009 10 26 06 03.24 +20 09.5 3.054 3.676 121.8 13.3 18.7 20.5 2009 10 31 06 03.04 +20 09.0 2.987 3.669 126.8 12.5 18.7 20.4 2009 11 05 06 02.35 +20 08.8 2.925 3.662 131.9 11.6 18.6 20.4 2009 11 10 06 01.16 +20 08.9 2.867 3.656 137.2 10.6 18.5 20.3 2009 11 15 05 59.49 +20 09.4 2.813 3.649 142.6 9.5 18.5 20.2 2009 11 20 05 57.36 +20 10.2 2.766 3.643 148.1 8.2 18.4 20.1 2009 11 25 05 54.81 +20 11.3 2.725 3.636 153.7 6.9 18.4 20.0 2009 11 30 05 51.90 +20 12.8 2.690 3.630 159.4 5.5 18.3 19.9 2009 12 05 05 48.68 +20 14.6 2.663 3.624 165.2 4.0 18.3 19.8 2009 12 10 05 45.22 +20 16.6 2.642 3.618 170.8 2.5 18.3 19.7 2009 12 15 05 41.61 +20 18.9 2.629 3.612 175.9 1.1 18.3 19.6 2009 12 20 05 37.94 +20 21.4 2.624 3.606 175.6 1.2 18.2 19.6 2009 12 25 05 34.31 +20 24.1 2.627 3.600 170.3 2.6 18.2 19.7 2009 12 30 05 30.80 +20 27.2 2.636 3.594 164.6 4.2 18.2 19.8 2010 01 04 05 27.50 +20 30.5 2.654 3.588 158.8 5.7 18.2 19.8 2010 01 09 05 24.49 +20 34.2 2.678 3.583 153.1 7.1 18.2 19.9 2010 01 14 05 21.84 +20 38.3 2.709 3.577 147.4 8.5 18.2 20.0 2010 01 19 05 19.61 +20 42.8 2.746 3.572 141.8 9.8 18.3 20.1 2010 01 24 05 17.85 +20 47.9 2.788 3.566 136.4 11.0 18.3 20.2 2010 01 29 05 16.59 +20 53.4 2.836 3.561 131.0 12.0 18.3 20.2 2010 02 03 05 15.84 +20 59.4 2.888 3.556 125.8 13.0 18.3 20.3 2010 02 08 05 15.62 +21 05.9 2.944 3.550 120.7 13.8 18.4 20.4 2010 02 13 05 15.93 +21 12.9 3.004 3.545 115.7 14.5 18.4 20.5 2010 02 18 05 16.76 +21 20.3 3.066 3.540 110.8 15.1 18.4 20.5 2010 02 23 05 18.10 +21 28.0 3.130 3.535 106.1 15.6 18.4 20.6 2010 02 28 05 19.94 +21 36.0 3.196 3.531 101.5 16.0 18.5 20.6 2010 03 05 05 22.25 +21 44.1 3.264 3.526 97.1 16.2 18.5 20.7 2010 03 10 05 25.00 +21 52.2 3.332 3.521 92.7 16.4 18.5 20.7 2010 03 15 05 28.18 +22 00.3 3.400 3.517 88.5 16.4 18.6 20.8 2010 03 20 05 31.77 +22 08.2 3.468 3.512 84.3 16.4 18.6 20.8 2010 03 25 05 35.73 +22 15.8 3.536 3.508 80.3 16.3 18.6 20.8 2010 03 30 05 40.05 +22 23.0 3.602 3.504 76.3 16.1 18.7 20.9 2010 04 04 05 44.68 +22 29.7 3.668 3.500 72.5 15.8 18.7 20.9 2010 04 09 05 49.62 +22 35.8 3.732 3.496 68.7 15.5 18.7 20.9 2010 04 14 05 54.85 +22 41.1 3.795 3.492 65.0 15.1 18.8 20.9 2010 04 19 06 00.33 +22 45.6 3.856 3.488 61.4 14.6 18.8 21.0 2010 04 24 06 06.05 +22 49.3 3.914 3.484 57.8 14.1 18.8 21.0 2010 04 29 06 11.99 +22 51.9 3.970 3.480 54.3 13.6 18.8 21.0 2010 05 04 06 18.12 +22 53.5 4.024 3.477 50.9 13.0 18.8 21.0 2010 05 09 06 24.43 +22 54.0 4.075 3.473 47.5 12.4 18.9 21.0 2010 05 14 06 30.91 +22 53.4 4.123 3.470 44.2 11.7 18.9 21.0 2010 05 19 06 37.54 +22 51.5 4.168 3.467 40.9 11.0 18.9 21.0 2010 05 24 06 44.29 +22 48.3 4.211 3.464 37.6 10.3 18.9 21.0 2010 05 29 06 51.16 +22 43.8 4.250 3.461 34.4 9.5 18.9 21.0 2010 06 03 06 58.12 +22 38.0 4.285 3.458 31.2 8.7 18.9 20.9 2010 06 08 07 05.18 +22 30.9 4.318 3.455 28.0 7.9 18.9 20.9 2010 06 13 07 12.30 +22 22.4 4.347 3.453 24.9 7.1 19.0 20.9 2010 06 18 07 19.49 +22 12.6 4.373 3.450 21.8 6.3 19.0 20.9 2010 06 23 07 26.73 +22 01.4 4.395 3.448 18.7 5.4 19.0 20.8 2010 06 28 07 34.01 +21 48.9 4.413 3.445 15.7 4.6 19.0 20.8 2010 07 03 07 41.31 +21 35.0 4.428 3.443 12.6 3.7 19.0 20.8 2010 07 08 07 48.62 +21 19.9 4.440 3.441 9.6 2.8 19.0 20.7 2010 07 13 07 55.95 +21 03.5 4.447 3.439 6.5 1.9 19.0 20.7This 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.
