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 2010 Jan. 4.0 TT = JDT 2455200.5 T 2010 Sept. 29.8687 TT MPC q 3.424174 (2000.0) P Q n 0.1128882 Peri. 17.9936 -0.6706219 -0.7382656 a 4.240044 Node 114.1900 +0.6704746 -0.6449658 e 0.192420 Incl. 4.5473 +0.3173799 -0.1974413 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 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 20.7 2010 07 18 08 03.27 +20 45.8 4.451 3.437 3.5 1.0 19.0 20.6 2010 07 23 08 10.57 +20 27.0 4.452 3.436 0.6 0.2 19.0 20.5 2010 07 28 08 17.85 +20 07.1 4.448 3.434 2.6 0.8 19.0 20.6 2010 08 02 08 25.11 +19 46.1 4.441 3.433 5.7 1.7 19.0 20.6 2010 08 07 08 32.32 +19 24.1 4.430 3.431 8.7 2.6 18.9 20.7 2010 08 12 08 39.49 +19 01.1 4.416 3.430 11.8 3.5 18.9 20.7 2010 08 17 08 46.60 +18 37.3 4.398 3.429 14.8 4.3 18.9 20.8 2010 08 22 08 53.65 +18 12.7 4.376 3.428 17.9 5.2 18.9 20.8 2010 08 27 09 00.62 +17 47.5 4.351 3.427 21.0 6.1 18.9 20.8 2010 09 01 09 07.51 +17 21.6 4.322 3.426 24.2 6.9 18.9 20.9 2010 09 06 09 14.32 +16 55.2 4.290 3.426 27.3 7.8 18.9 20.9 2010 09 11 09 21.03 +16 28.4 4.254 3.425 30.5 8.6 18.8 20.9 2010 09 16 09 27.64 +16 01.3 4.215 3.425 33.7 9.4 18.8 20.9 2010 09 21 09 34.12 +15 34.0 4.173 3.425 37.0 10.2 18.8 20.9 2010 09 26 09 40.49 +15 06.7 4.127 3.424 40.3 10.9 18.8 20.9 2010 10 01 09 46.72 +14 39.5 4.079 3.424 43.6 11.6 18.7 20.9 2010 10 06 09 52.81 +14 12.4 4.027 3.424 47.0 12.3 18.7 20.9 2010 10 11 09 58.75 +13 45.7 3.973 3.425 50.4 13.0 18.7 20.9 2010 10 16 10 04.52 +13 19.4 3.916 3.425 53.9 13.6 18.7 20.9 2010 10 21 10 10.10 +12 53.9 3.857 3.425 57.5 14.2 18.6 20.9 2010 10 26 10 15.49 +12 29.1 3.795 3.426 61.1 14.7 18.6 20.9 2010 10 31 10 20.68 +12 05.2 3.731 3.427 64.7 15.2 18.6 20.9 2010 11 05 10 25.64 +11 42.5 3.665 3.428 68.5 15.6 18.5 20.9 2010 11 10 10 30.36 +11 21.1 3.598 3.429 72.3 16.0 18.5 20.8 2010 11 15 10 34.82 +11 01.1 3.529 3.430 76.2 16.3 18.4 20.8 2010 11 20 10 39.00 +10 42.9 3.459 3.431 80.1 16.5 18.4 20.8 2010 11 25 10 42.89 +10 26.4 3.389 3.432 84.2 16.6 18.4 20.7 2010 11 30 10 46.45 +10 12.0 3.318 3.433 88.3 16.7 18.3 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.
