91P/Russell Orbit by S. Nakano NK 3429 (2017) Last obs. 2021 08 30 (F52)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2028 Oct. 25.55944 3.1252743 0.2502436 8.51 356.79015 241.72302 15.88928 0.200 2026 June 9.0 m1 = 11.5 + 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 06 23.03 +11 38.8 06 25.82 +11 37.0 3.875 4.842 -0.41 + 1.7 21.3 9.3/266 168.0 2.4 9/0.10 48 .84 2026 Jan. 10 06 16.69 +11 31.9 06 19.48 +11 30.6 3.886 4.828 -0.40 + 1.7 21.3 8.5/269 161.4 3.7 54/0.16 96 .56 20 06 10.90 +11 29.7 06 13.68 +11 28.8 3.926 4.813 -0.40 + 1.6 21.3 7.1/272 151.4 5.6 70/0.26 138 .01 30 06 06.05 +11 31.9 06 08.84 +11 31.4 3.994 4.799 -0.39 + 1.6 21.3 5.3/277 140.9 7.4 77/0.34 17 .89 Feb. 9 06 02.44 +11 37.7 06 05.23 +11 37.4 4.086 4.784 -0.37 + 1.5 21.4 3.3/286 130.4 9.0 81/0.41 130 .55 19 06 00.26 +11 46.4 06 03.06 +11 46.3 4.196 4.769 -0.36 + 1.5 21.4 1.4/318 120.1 10.3 84/0.46 102 .03 Mar. 1 05 59.60 +11 57.1 06 02.40 +11 57.0 4.321 4.754 -0.35 + 1.4 21.4 1.7/ 47 110.1 11.3 87/0.49 40 .93 11 06 00.44 +12 08.7 06 03.24 +12 08.6 4.455 4.739 -0.34 + 1.4 21.5 3.5/ 71 100.5 11.9 89/0.50 158 .54 21 06 02.72 +12 20.4 06 05.52 +12 20.1 4.594 4.723 -0.33 + 1.3 21.6 5.4/ 79 91.3 12.2 91/0.50 67 .05 31 06 06.33 +12 31.4 06 09.14 +12 30.8 4.732 4.707 -0.32 + 1.3 21.6 7.1/ 83 82.5 12.1 93/0.49 73 .95 Apr. 10 06 11.14 +12 40.7 06 13.95 +12 39.8 4.867 4.691 -0.31 + 1.3 21.6 8.6/ 85 74.0 11.8 95/0.46 160 .52 20 06 17.02 +12 47.7 06 19.84 +12 46.3 4.996 4.675 -0.31 + 1.3 21.7 10.0/ 88 65.8 11.3 97/0.43 34 .09 30 06 23.83 +12 51.8 06 26.65 +12 49.9 5.114 4.658 -0.30 + 1.3 21.7 11.1/ 90 57.9 10.6 99/0.39 102 .97 May 10 06 31.43 +12 52.4 06 34.24 +12 50.1 5.221 4.641 -0.30 + 1.3 21.8 12.1/ 92 50.3 9.6 102/0.35 137 .49 20 06 39.70 +12 49.3 06 42.51 +12 46.3 5.314 4.624 -0.30 + 1.3 21.8 12.9/ 93 42.9 8.6 106/0.31 14 .15 30 06 48.53 +12 41.9 06 51.33 +12 38.3 5.391 4.607 -0.29 + 1.3 21.8 13.6/ 95 35.8 7.4 110/0.26 128 .98 June 9 06 57.79 +12 30.2 07 00.59 +12 25.9 5.452 4.590 -0.29 + 1.3 21.8 14.2/ 97 28.9 6.1 115/0.22 110 .44 19 07 07.39 +12 13.8 07 10.18 +12 08.9 5.495 4.572 -0.29 + 1.4 21.8 14.6/ 98 22.4 4.9 123/0.17 35 .20 29 07 17.24 +11 52.7 07 20.02 +11 47.1 5.520 4.554 -0.30 + 1.4 21.8 14.9/100 16.5 3.6 136/0.13 152 .99 July 9 07 27.24 +11 27.0 07 30.01 +11 20.7 5.526 4.536 -0.30 + 1.4 21.8 15.1/102 11.9 2.7 159/0.09 82 .37 19 07 37.32 +10 56.5 07 40.08 +10 49.5 5.513 4.518 -0.30 + 1.5 21.8 15.2/103 10.5 2.4 196/0.08 62 .26 29 07 47.38 +10 21.4 07 50.12 +10 13.7 5.482 4.500 -0.30 + 1.5 21.7 15.2/105 13.3 3.0 228/0.11 167 1.00 Aug. 8 07 57.35 +09 41.8 08 00.07 +09 33.6 5.432 4.481 -0.31 + 1.6 21.7 15.1/107 18.4 4.1 246/0.15 52 .29 18 08 07.14 +08 58.1 08 09.85 +08 49.2 5.364 4.462 -0.31 + 1.7 21.6 14.9/109 24.5 5.4 257/0.20 87 .30 28 08 16.66 +08 10.3 08 19.36 +08 00.9 5.278 4.443 -0.32 + 1.7 21.6 14.6/111 31.1 6.7 264/0.25 151 1.00 Sept. 7 08 25.84 +07 19.0 08 28.52 +07 09.0 5.176 4.424 -0.33 + 1.8 21.5 14.1/113 37.9 8.0 268/0.30 23 .21 17 08 34.58 +06 24.5 08 37.24 +06 14.0 5.058 4.405 -0.34 + 1.9 21.5 13.5/115 45.0 9.3 272/0.36 111 .33 27 08 42.77 +05 27.4 08 45.41 +05 16.4 4.927 4.385 -0.35 + 2.0 21.4 12.7/118 52.3 10.4 275/0.41 125 1.00 Oct. 7 08 50.30 +04 28.2 08 52.93 +04 16.8 4.783 4.366 -0.36 + 2.0 21.3 11.8/121 59.8 11.4 278/0.46 19 .15 17 08 57.06 +03 27.7 08 59.67 +03 15.9 4.628 4.346 -0.37 + 2.1 21.2 10.7/125 67.5 12.2 280/0.51 135 .34 27 09 02.92 +02 26.7 09 05.51 +02 14.6 4.466 4.326 -0.39 + 2.2 21.1 9.4/130 75.5 12.9 283/0.55 95 .99 Nov. 6 09 07.74 +01 26.2 09 10.32 +01 14.0 4.299 4.306 -0.41 + 2.3 21.0 8.0/137 83.8 13.2 285/0.59 46 .11 16 09 11.37 +00 27.5 09 13.93 +00 15.1 4.130 4.286 -0.42 + 2.4 20.9 6.5/148 92.3 13.3 287/0.62 158 .36 26 09 13.67 -00 28.0 09 16.22 -00 40.5 3.962 4.265 -0.44 + 2.5 20.8 5.2/166 101.2 13.1 290/0.63 62 .97 Dec. 6 09 14.52 -01 18.7 09 17.07 -01 31.3 3.800 4.245 -0.46 + 2.7 20.7 4.5/193 110.4 12.6 293/0.63 77 .09 16 09 13.84 -02 02.8 09 16.37 -02 15.4 3.647 4.224 -0.49 + 2.8 20.6 4.9/224 119.8 11.7 296/0.61 157 .38 26 09 11.60 -02 38.4 09 14.12 -02 50.9 3.509 4.203 -0.51 + 2.9 20.5 6.1/246 129.5 10.4 301/0.56 28 .94 2027 Jan. 5 09 07.88 -03 03.7 09 10.40 -03 16.0 3.389 4.182 -0.52 + 3.1 20.4 7.6/260 139.1 8.9 307/0.49 109 .07 15 09 02.86 -03 17.0 09 05.38 -03 29.1 3.292 4.161 -0.54 + 3.2 20.3 8.9/270 148.3 7.1 317/0.40 125 .41 25 08 56.90 -03 17.7 08 59.41 -03 29.4 3.222 4.140 -0.55 + 3.3 20.2 9.8/277 156.0 5.6 334/0.31 27 .91 Feb. 4 08 50.42 -03 05.7 08 52.94 -03 17.1 3.180 4.119 -0.55 + 3.3 20.2 9.9/284 159.9 4.7 5/0.24 142 .06 14 08 43.98 -02 42.4 08 46.50 -02 53.4 3.167 4.098 -0.55 + 3.4 20.1 9.4/290 157.8 5.2 43/0.26 87 .46 24 08 38.10 -02 10.0 08 40.63 -02 20.7 3.183 4.077 -0.54 + 3.3 20.1 8.2/298 151.0 6.8 68/0.35 62 .88 Mar. 6 08 33.25 -01 31.5 08 35.79 -01 42.0 3.226 4.055 -0.52 + 3.3 20.1 6.6/309 142.2 8.6 82/0.46 159 .05