139P/Väisälä-Oterma
Orbital Elements
The following orbital elements are taken from MPC 60666:139P/Väisälä-Oterma Epoch 2008 Apr. 4.0 TT = JDT 2454560.5 T 2008 Apr. 19.3482 TT MPC q 3.402793 (2000.0) P Q n 0.1027014 Peri. 165.5222 +0.6692786 -0.7421369 a 4.515979 Node 242.4522 +0.6775936 +0.6295357 e 0.246499 Incl. 2.3297 +0.3048495 +0.2300381 P 9.60 From 143 observations 1939-2007, mean residual 0".7.Elements are also available for the current standard epoch:
139P/Väisälä-Oterma Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2008 Apr. 19.7475 TT MPC q 3.402684 (2000.0) P Q n 0.1025501 Peri. 165.5955 +0.6686749 -0.7426821 a 4.520418 Node 242.4255 +0.6781146 +0.6289790 e 0.247264 Incl. 2.3287 +0.3050156 +0.2298015 P 9.61An 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 09 46.57 +11 14.2 4.418 4.141 67.5 12.8 18.9 20.6 2009 10 31 09 49.94 +10 53.9 4.356 4.151 71.6 13.1 18.9 20.6 2009 11 05 09 53.04 +10 34.8 4.292 4.162 75.8 13.4 18.9 20.5 2009 11 10 09 55.86 +10 16.9 4.227 4.172 80.1 13.5 18.8 20.5 2009 11 15 09 58.37 +10 00.3 4.161 4.182 84.4 13.6 18.8 20.5 2009 11 20 10 00.56 +09 45.3 4.094 4.193 88.9 13.6 18.8 20.5 2009 11 25 10 02.42 +09 31.9 4.027 4.203 93.4 13.6 18.8 20.4 2009 11 30 10 03.93 +09 20.3 3.961 4.213 98.0 13.4 18.7 20.4 2009 12 05 10 05.07 +09 10.6 3.895 4.224 102.8 13.2 18.7 20.3 2009 12 10 10 05.84 +09 02.9 3.830 4.234 107.6 12.8 18.7 20.3 2009 12 15 10 06.22 +08 57.4 3.768 4.244 112.6 12.4 18.7 20.3 2009 12 20 10 06.21 +08 54.0 3.708 4.255 117.7 11.8 18.6 20.2 2009 12 25 10 05.80 +08 52.9 3.651 4.265 122.8 11.2 18.6 20.2 2009 12 30 10 05.00 +08 54.0 3.598 4.275 128.1 10.4 18.6 20.1 2010 01 04 10 03.82 +08 57.3 3.549 4.285 133.5 9.6 18.6 20.0 2010 01 09 10 02.28 +09 02.8 3.505 4.296 138.9 8.6 18.6 20.0 2010 01 14 10 00.39 +09 10.3 3.467 4.306 144.5 7.6 18.5 19.9 2010 01 19 09 58.19 +09 19.8 3.435 4.316 150.1 6.5 18.5 19.9 2010 01 24 09 55.72 +09 31.0 3.410 4.327 155.8 5.3 18.5 19.8 2010 01 29 09 53.03 +09 43.6 3.392 4.337 161.5 4.1 18.5 19.7 2010 02 03 09 50.16 +09 57.5 3.381 4.347 167.2 2.9 18.5 19.6 2010 02 08 09 47.19 +10 12.2 3.377 4.358 172.8 1.6 18.5 19.5 2010 02 13 09 44.16 +10 27.4 3.382 4.368 176.9 0.7 18.5 19.5 2010 02 18 09 41.14 +10 43.0 3.394 4.378 174.1 1.3 18.6 19.5 2010 02 23 09 38.20 +10 58.3 3.414 4.388 168.7 2.5 18.6 19.7 2010 02 28 09 35.39 +11 13.3 3.441 4.399 163.1 3.8 18.6 19.8 2010 03 05 09 32.78 +11 27.6 3.476 4.409 157.4 4.9 18.6 19.8 2010 03 10 09 30.40 +11 40.9 3.518 4.419 151.9 6.1 18.7 19.9 2010 03 15 09 28.30 +11 53.1 3.567 4.429 146.4 7.1 18.7 20.0 2010 03 20 09 26.52 +12 04.0 3.622 4.439 140.9 8.1 18.8 20.1 2010 03 25 09 25.08 +12 13.3 3.682 4.449 135.6 9.0 18.8 20.2 2010 03 30 09 23.99 +12 21.1 3.747 4.460 130.4 9.8 18.9 20.3 2010 04 04 09 23.28 +12 27.3 3.817 4.470 125.2 10.5 18.9 20.3 2010 04 09 09 22.93 +12 31.7 3.891 4.480 120.2 11.1 19.0 20.4 2010 04 14 09 22.95 +12 34.5 3.968 4.490 115.3 11.6 19.0 20.5 2010 04 19 09 23.34 +12 35.5 4.048 4.500 110.5 12.1 19.1 20.5 2010 04 24 09 24.09 +12 34.8 4.131 4.510 105.8 12.4 19.1 20.6 2010 04 29 09 25.17 +12 32.5 4.215 4.520 101.2 12.6 19.2 20.6 2010 05 04 09 26.58 +12 28.5 4.300 4.530 96.7 12.8 19.2 20.7 2010 05 09 09 28.30 +12 23.0 4.386 4.540 92.3 12.8 19.3 20.8 2010 05 14 09 30.30 +12 15.8 4.472 4.550 88.0 12.8 19.3 20.8 2010 05 19 09 32.58 +12 07.2 4.558 4.560 83.8 12.7 19.4 20.8 2010 05 24 09 35.11 +11 57.1 4.643 4.570 79.6 12.6 19.4 20.9 2010 05 29 09 37.88 +11 45.6 4.727 4.580 75.5 12.4 19.5 20.9 2010 06 03 09 40.86 +11 32.7 4.810 4.589 71.5 12.1 19.5 20.9 2010 06 08 09 44.04 +11 18.6 4.891 4.599 67.5 11.8 19.6 21.0 2010 06 13 09 47.40 +11 03.2 4.970 4.609 63.6 11.4 19.6 21.0 2010 06 18 09 50.92 +10 46.6 5.047 4.619 59.7 10.9 19.7 21.0 2010 06 23 09 54.60 +10 28.9 5.121 4.629 55.9 10.5 19.7 21.0 2010 06 28 09 58.41 +10 10.2 5.193 4.638 52.1 10.0 19.7 21.1 2010 07 03 10 02.34 +09 50.4 5.261 4.648 48.4 9.4 19.8 21.1 2010 07 08 10 06.38 +09 29.6 5.326 4.658 44.7 8.8 19.8 21.1 2010 07 13 10 10.52 +09 07.9 5.387 4.667 41.0 8.2 19.8 21.1 2010 07 18 10 14.74 +08 45.4 5.444 4.677 37.3 7.6 19.9 21.1 2010 07 23 10 19.03 +08 22.1 5.498 4.686 33.7 6.9 19.9 21.1 2010 07 28 10 23.38 +07 58.1 5.547 4.696 30.1 6.2 19.9 21.1 2010 08 02 10 27.79 +07 33.3 5.592 4.705 26.5 5.5 20.0 21.0 2010 08 07 10 32.23 +07 08.0 5.633 4.715 22.9 4.8 20.0 21.0 2010 08 12 10 36.72 +06 42.1 5.669 4.724 19.3 4.1 20.0 21.0 2010 08 17 10 41.22 +06 15.7 5.701 4.734 15.7 3.3 20.0 21.0 2010 08 22 10 45.74 +05 48.8 5.727 4.743 12.1 2.6 20.1 20.9 2010 08 27 10 50.26 +05 21.7 5.749 4.753 8.6 1.8 20.1 20.9 2010 09 01 10 54.78 +04 54.2 5.766 4.762 5.1 1.1 20.1 20.9 2010 09 06 10 59.29 +04 26.4 5.778 4.771 2.2 0.5 20.1 20.8 2010 09 11 11 03.79 +03 58.5 5.785 4.780 3.1 0.7 20.1 20.8 2010 09 16 11 08.25 +03 30.4 5.787 4.790 6.4 1.3 20.1 20.9 2010 09 21 11 12.68 +03 02.4 5.784 4.799 10.0 2.1 20.1 21.0 2010 09 26 11 17.07 +02 34.4 5.776 4.808 13.7 2.8 20.1 21.0 2010 10 01 11 21.40 +02 06.5 5.763 4.817 17.4 3.6 20.1 21.1 2010 10 06 11 25.67 +01 38.7 5.745 4.826 21.1 4.3 20.1 21.1 2010 10 11 11 29.87 +01 11.3 5.722 4.835 24.9 5.0 20.1 21.1 2010 10 16 11 33.98 +00 44.1 5.695 4.844 28.7 5.7 20.1 21.2 2010 10 21 11 38.00 +00 17.5 5.662 4.853 32.6 6.3 20.1 21.2 2010 10 26 11 41.92 -00 08.7 5.625 4.862 36.4 7.0 20.1 21.2 2010 10 31 11 45.73 -00 34.3 5.584 4.871 40.4 7.6 20.1 21.2 2010 11 05 11 49.41 -00 59.2 5.539 4.879 44.4 8.2 20.1 21.2 2010 11 10 11 52.96 -01 23.3 5.489 4.888 48.4 8.7 20.1 21.2 2010 11 15 11 56.35 -01 46.5 5.436 4.897 52.5 9.2 20.1 21.2 2010 11 20 11 59.58 -02 08.8 5.379 4.906 56.7 9.7 20.1 21.2 2010 11 25 12 02.63 -02 30.0 5.319 4.914 60.9 10.1 20.0 21.2 2010 11 30 12 05.49 -02 50.1 5.255 4.923 65.1 10.5 20.0 21.2This 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.
