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 2009 June 18.0 TT = JDT 2455000.5 T 2008 Apr. 19.4574 TT MPC q 3.402648 (2000.0) P Q n 0.1025975 Peri. 165.5401 +0.6691587 -0.7422456 a 4.519026 Node 242.4436 +0.6776989 +0.6294221 e 0.247039 Incl. 2.3290 +0.3048784 +0.2299983 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 06 08 07 12.69 +20 52.3 4.711 3.862 29.8 7.5 18.7 20.3 2009 06 13 07 18.91 +20 40.7 4.755 3.872 26.5 6.7 18.8 20.3 2009 06 18 07 25.16 +20 28.1 4.795 3.881 23.2 5.9 18.8 20.3 2009 06 23 07 31.42 +20 14.4 4.831 3.891 19.9 5.1 18.8 20.3 2009 06 28 07 37.70 +19 59.7 4.864 3.901 16.6 4.3 18.8 20.3 2009 07 03 07 43.98 +19 44.1 4.892 3.910 13.4 3.4 18.9 20.2 2009 07 08 07 50.24 +19 27.4 4.917 3.920 10.1 2.6 18.9 20.2 2009 07 13 07 56.49 +19 09.9 4.937 3.930 6.9 1.8 18.9 20.2 2009 07 18 08 02.70 +18 51.4 4.953 3.940 3.8 1.0 18.9 20.1 2009 07 23 08 08.87 +18 32.1 4.965 3.949 1.6 0.4 18.9 20.0 2009 07 28 08 15.00 +18 12.0 4.972 3.959 3.5 0.9 19.0 20.1 2009 08 02 08 21.07 +17 51.1 4.976 3.969 6.6 1.7 19.0 20.2 2009 08 07 08 27.07 +17 29.5 4.975 3.979 9.8 2.5 19.0 20.3 2009 08 12 08 33.00 +17 07.3 4.969 3.989 13.1 3.3 19.0 20.3 2009 08 17 08 38.84 +16 44.6 4.960 3.999 16.4 4.1 19.0 20.4 2009 08 22 08 44.60 +16 21.3 4.946 4.009 19.8 4.9 19.0 20.4 2009 08 27 08 50.25 +15 57.6 4.928 4.019 23.2 5.7 19.0 20.4 2009 09 01 08 55.80 +15 33.6 4.906 4.029 26.6 6.4 19.0 20.5 2009 09 06 09 01.22 +15 09.4 4.879 4.039 30.1 7.2 19.0 20.5 2009 09 11 09 06.51 +14 44.9 4.849 4.049 33.6 7.9 19.0 20.5 2009 09 16 09 11.67 +14 20.4 4.815 4.059 37.2 8.6 19.0 20.5 2009 09 21 09 16.68 +13 55.9 4.777 4.070 40.8 9.3 19.0 20.6 2009 09 26 09 21.53 +13 31.5 4.735 4.080 44.4 9.9 19.0 20.6 2009 10 01 09 26.21 +13 07.4 4.690 4.090 48.1 10.5 19.0 20.6 2009 10 06 09 30.70 +12 43.6 4.641 4.100 51.9 11.1 19.0 20.6 2009 10 11 09 34.99 +12 20.3 4.590 4.110 55.7 11.6 18.9 20.6 2009 10 16 09 39.08 +11 57.5 4.535 4.121 59.6 12.0 18.9 20.6 2009 10 21 09 42.95 +11 35.4 4.478 4.131 63.5 12.5 18.9 20.6 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 21.1This 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.
