139P/Vaisala-Oterma Orbit by T. Kobayashi NK 2737 (2014) Last obs. 2019 02 04 (F51)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2027 July 23.32724 3.3924805 0.2480232 9.58 166.11313 242.12021 2.33831 0.200 2026 June 9.0 m1 = 9.0 + 5 log Delta + 10.0 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Variation Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , for T=+1 day m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 21 01.36 -14 55.3 21 04.13 -14 43.3 4.934 4.167 -0.37 - 1.7 18.7 16.0/ 74 35.0 7.8 71/0.30 97 .84 2026 Jan. 10 21 11.96 -14 10.4 21 14.70 -13 57.9 4.994 4.147 -0.37 - 1.7 18.7 16.7/ 73 27.5 6.3 69/0.24 125 .56 20 21 22.88 -13 21.3 21 25.60 -13 08.3 5.036 4.126 -0.37 - 1.8 18.7 17.1/ 72 20.1 4.7 67/0.18 8 .01 30 21 34.02 -12 28.2 21 36.72 -12 14.7 5.060 4.105 -0.37 - 1.9 18.7 17.5/ 71 12.9 3.1 63/0.12 128 .89 Feb. 9 21 45.29 -11 31.7 21 47.98 -11 17.8 5.065 4.085 -0.37 - 2.0 18.6 17.7/ 70 5.8 1.4 52/0.05 101 .55 19 21 56.62 -10 32.2 21 59.29 -10 17.8 5.052 4.064 -0.38 - 2.0 18.6 17.8/ 70 2.5 0.6 299/0.02 20 .03 Mar. 1 22 07.92 -09 30.2 22 10.57 -09 15.4 5.020 4.044 -0.38 - 2.1 18.6 17.8/ 69 9.0 2.2 261/0.08 157 .93 11 22 19.13 -08 26.3 22 21.76 -08 11.2 4.970 4.024 -0.39 - 2.2 18.5 17.7/ 68 15.9 3.9 255/0.15 79 .54 21 22 30.17 -07 21.1 22 32.79 -07 05.6 4.902 4.003 -0.39 - 2.3 18.5 17.4/ 68 22.9 5.6 253/0.22 48 .05 31 22 40.98 -06 15.2 22 43.58 -05 59.4 4.818 3.983 -0.40 - 2.4 18.4 17.0/ 67 29.9 7.2 251/0.29 175 .95 Apr. 10 22 51.49 -05 09.3 22 54.09 -04 53.3 4.719 3.963 -0.41 - 2.5 18.3 16.5/ 67 36.9 8.7 250/0.35 56 .52 20 23 01.64 -04 04.1 23 04.23 -03 47.9 4.605 3.943 -0.42 - 2.6 18.3 15.9/ 66 43.9 10.2 249/0.42 79 .09 30 23 11.35 -03 00.3 23 13.92 -02 43.9 4.479 3.924 -0.44 - 2.7 18.2 15.1/ 66 51.0 11.5 249/0.49 148 .97 May 10 23 20.53 -01 58.7 23 23.10 -01 42.2 4.341 3.904 -0.45 - 2.8 18.1 14.1/ 65 58.2 12.7 248/0.55 31 .49 20 23 29.09 -01 00.0 23 31.66 -00 43.5 4.194 3.885 -0.47 - 2.9 18.0 13.0/ 65 65.5 13.7 248/0.62 110 .15 30 23 36.93 -00 05.3 23 39.49 +00 11.3 4.040 3.865 -0.49 - 3.0 17.9 11.6/ 65 72.9 14.5 247/0.68 122 .98 June 9 23 43.94 +00 44.7 23 46.50 +01 01.4 3.881 3.846 -0.51 - 3.2 17.8 10.1/ 64 80.5 15.1 247/0.73 2 .44 19 23 49.98 +01 29.0 23 52.54 +01 45.7 3.719 3.828 -0.54 - 3.3 17.7 8.3/ 63 88.4 15.4 247/0.78 142 .20 29 23 54.90 +02 06.4 23 57.46 +02 23.1 3.557 3.809 -0.56 - 3.5 17.6 6.3/ 62 96.6 15.4 246/0.81 95 .99 July 9 23 58.59 +02 36.1 00 01.15 +02 52.8 3.397 3.790 -0.59 - 3.6 17.4 4.0/ 59 105.0 15.0 246/0.83 30 .37 19 00 00.87 +02 56.8 00 03.44 +03 13.5 3.244 3.772 -0.62 - 3.8 17.3 1.6/ 47 113.9 14.3 245/0.82 175 .26 29 00 01.66 +03 07.6 00 04.22 +03 24.3 3.101 3.754 -0.66 - 4.0 17.2 1.2/271 123.2 13.1 245/0.79 64 1.00 Aug. 8 00 00.88 +03 07.9 00 03.44 +03 24.6 2.972 3.737 -0.69 - 4.2 17.1 3.7/253 132.9 11.5 244/0.72 68 .29 18 23 58.54 +02 57.3 00 01.10 +03 14.0 2.860 3.719 -0.72 - 4.4 17.0 6.0/249 143.1 9.4 243/0.61 151 .30 28 23 54.78 +02 36.2 23 57.34 +02 52.9 2.770 3.702 -0.74 - 4.6 16.9 7.9/248 153.7 7.0 241/0.47 28 1.00 Sept. 7 23 49.89 +02 06.1 23 52.45 +02 22.8 2.704 3.686 -0.76 - 4.7 16.8 9.2/246 164.5 4.2 236/0.29 110 .21 17 23 44.27 +01 29.2 23 46.83 +01 45.9 2.667 3.669 -0.76 - 4.8 16.8 9.6/245 175.1 1.3 210/0.09 115 .33 27 23 38.45 +00 48.9 23 41.01 +01 05.6 2.658 3.653 -0.76 - 4.8 16.7 9.1/244 172.0 2.2 88/0.15 11 1.00 Oct. 7 23 33.00 +00 09.0 23 35.56 +00 25.6 2.678 3.637 -0.75 - 4.7 16.7 7.7/242 161.0 5.1 75/0.36 153 .15 17 23 28.44 -00 26.9 23 31.01 -00 10.4 2.725 3.622 -0.73 - 4.5 16.8 5.6/239 149.9 7.9 71/0.54 78 .34 27 23 25.22 -00 55.6 23 27.79 -00 39.0 2.797 3.607 -0.70 - 4.4 16.8 3.1/232 139.1 10.4 70/0.69 52 .99 Nov. 6 23 23.61 -01 14.7 23 26.17 -00 58.2 2.889 3.592 -0.68 - 4.2 16.9 0.9/167 128.6 12.5 69/0.80 167 .11 16 23 23.74 -01 23.1 23 26.31 -01 06.5 2.999 3.578 -0.65 - 4.0 16.9 2.9/ 84 118.5 14.1 68/0.87 45 .36 26 23 25.64 -01 20.1 23 28.20 -01 03.6 3.120 3.565 -0.62 - 3.8 17.0 5.5/ 75 108.9 15.2 68/0.91 90 .97 Dec. 6 23 29.21 -01 06.1 23 31.77 -00 49.5 3.250 3.551 -0.60 - 3.7 17.1 8.1/ 72 99.7 15.9 67/0.91 134 .09 16 23 34.33 -00 41.5 23 36.90 -00 24.9 3.384 3.538 -0.58 - 3.5 17.1 10.4/ 71 90.9 16.1 67/0.89 15 .38 26 23 40.85 -00 07.3 23 43.42 +00 09.4 3.518 3.526 -0.56 - 3.4 17.2 12.4/ 70 82.4 16.1 66/0.86 125 .94 2027 Jan. 5 23 48.60 +00 35.6 23 51.16 +00 52.3 3.650 3.514 -0.54 - 3.3 17.3 14.1/ 69 74.3 15.6 66/0.80 105 .07 15 23 57.41 +01 26.1 23 59.97 +01 42.8 3.777 3.503 -0.53 - 3.2 17.3 15.7/ 69 66.5 14.9 66/0.74 13 .41 25 00 07.14 +02 23.1 00 09.70 +02 39.8 3.897 3.492 -0.52 - 3.2 17.4 16.9/ 68 58.9 14.0 66/0.68 156 .91 Feb. 4 00 17.66 +03 25.5 00 20.22 +03 42.2 4.007 3.481 -0.51 - 3.1 17.4 18.0/ 68 51.6 12.8 66/0.61 81 .06 14 00 28.85 +04 32.5 00 31.42 +04 49.0 4.107 3.471 -0.51 - 3.0 17.5 18.9/ 68 44.5 11.5 65/0.53 41 .46 24 00 40.61 +05 42.8 00 43.19 +05 59.2 4.194 3.462 -0.50 - 3.0 17.5 19.7/ 68 37.5 10.0 65/0.46 176 .88 Mar. 6 00 52.85 +06 55.5 00 55.44 +07 11.8 4.268 3.453 -0.50 - 2.9 17.5 20.2/ 68 30.8 8.4 65/0.38 58 .05