311P/PANSTARRS Orbit by S. Nakano NK 4744 (2022) Last obs. 2025 05 02 (F52)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2027 Mar. 29.88034 1.9363852 0.1153315 3.24 144.34474 279.16711 4.97114 0.200 2026 June 9.0 m1 = 16.0 + 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 18 31.60 -23 20.8 18 34.63 -23 18.4 3.371 2.388 -0.78 - 1.5 22.4 28.6/ 85 1.2 0.5 262/0.03 133 .84 2026 Jan. 10 18 52.25 -22 50.7 18 55.26 -22 46.8 3.355 2.381 -0.78 - 1.9 22.4 28.7/ 83 6.7 2.7 265/0.15 91 .56 20 19 12.76 -22 10.5 19 15.75 -22 05.2 3.326 2.372 -0.78 - 2.3 22.4 28.7/ 81 12.1 5.0 264/0.28 26 .01 30 19 33.05 -21 20.5 19 36.01 -21 13.8 3.285 2.364 -0.78 - 2.7 22.3 28.6/ 79 17.5 7.2 262/0.41 158 .89 Feb. 9 19 53.03 -20 21.2 19 55.95 -20 13.2 3.232 2.354 -0.78 - 3.1 22.3 28.5/ 77 22.8 9.4 260/0.54 73 .55 19 20 12.63 -19 13.1 20 15.52 -19 03.9 3.169 2.345 -0.79 - 3.5 22.2 28.3/ 75 28.2 11.5 259/0.68 47 .03 Mar. 1 20 31.80 -17 57.1 20 34.64 -17 46.7 3.095 2.335 -0.79 - 3.8 22.1 28.0/ 73 33.5 13.6 257/0.82 176 .93 11 20 50.47 -16 33.9 20 53.27 -16 22.6 3.012 2.324 -0.80 - 4.2 22.1 27.7/ 72 38.9 15.6 256/0.96 56 .54 21 21 08.62 -15 04.5 21 11.38 -14 52.2 2.920 2.313 -0.82 - 4.6 22.0 27.2/ 70 44.3 17.5 254/1.11 70 .05 31 21 26.17 -13 29.9 21 28.90 -13 16.8 2.820 2.302 -0.83 - 5.0 21.9 26.7/ 69 49.6 19.3 253/1.26 155 .95 Apr. 10 21 43.11 -11 51.1 21 45.80 -11 37.2 2.712 2.291 -0.85 - 5.4 21.8 26.0/ 67 55.0 21.0 252/1.42 38 .52 20 21 59.38 -10 09.1 22 02.04 -09 54.6 2.599 2.279 -0.88 - 5.7 21.7 25.2/ 66 60.5 22.6 251/1.58 95 .09 30 22 14.92 -08 25.1 22 17.55 -08 10.0 2.480 2.266 -0.91 - 6.1 21.5 24.3/ 65 66.0 24.0 250/1.75 133 .97 May 10 22 29.67 -06 40.1 22 32.28 -06 24.6 2.357 2.254 -0.95 - 6.6 21.4 23.2/ 63 71.7 25.2 249/1.92 17 .49 20 22 43.53 -04 55.4 22 46.12 -04 39.6 2.231 2.241 -1.00 - 7.0 21.2 21.8/ 62 77.5 26.1 248/2.09 122 .15 30 22 56.38 -03 12.3 22 58.96 -02 56.2 2.103 2.228 -1.07 - 7.5 21.1 20.2/ 60 83.5 26.9 248/2.27 112 .98 June 9 23 08.07 -01 32.2 23 10.64 -01 15.9 1.975 2.215 -1.14 - 8.0 20.9 18.2/ 58 89.7 27.3 247/2.44 7 .44 19 23 18.41 +00 03.4 23 20.97 +00 19.8 1.847 2.202 -1.23 - 8.6 20.8 15.8/ 56 96.2 27.3 246/2.59 150 .20 29 23 27.12 +01 32.5 23 29.68 +01 49.0 1.721 2.189 -1.33 - 9.2 20.6 13.0/ 52 103.1 26.9 246/2.73 88 .99 July 9 23 33.94 +02 53.1 23 36.50 +03 09.8 1.600 2.175 -1.46 - 9.9 20.4 9.7/ 44 110.5 26.0 245/2.82 36 .37 19 23 38.49 +04 02.7 23 41.05 +04 19.3 1.484 2.162 -1.60 -10.8 20.2 6.3/ 28 118.5 24.4 243/2.84 176 .26 29 23 40.43 +04 58.2 23 42.98 +05 14.8 1.378 2.148 -1.76 -11.8 20.0 4.1/339 127.1 22.2 242/2.76 60 1.00 Aug. 8 23 39.46 +05 36.4 23 42.01 +05 53.0 1.283 2.135 -1.92 -12.9 19.8 6.3/286 136.4 19.1 239/2.55 72 .29 18 23 35.43 +05 53.8 23 37.98 +06 10.5 1.202 2.121 -2.08 -14.0 19.7 10.2/267 146.5 15.3 234/2.16 147 .30 28 23 28.59 +05 48.5 23 31.13 +06 05.0 1.141 2.108 -2.21 -15.1 19.5 13.7/258 157.0 10.8 226/1.60 25 1.00 Sept. 7 23 19.61 +05 20.4 23 22.15 +05 36.9 1.101 2.095 -2.28 -15.9 19.4 15.6/253 167.0 6.2 204/0.95 115 .21 17 23 09.66 +04 33.4 23 12.20 +04 49.7 1.084 2.082 -2.28 -16.2 19.4 15.2/248 170.4 4.6 139/0.72 108 .33 27 23 00.27 +03 35.3 23 02.81 +03 51.5 1.092 2.070 -2.21 -16.0 19.3 12.7/242 162.3 8.5 97/1.31 20 1.00 Oct. 7 22 52.81 +02 35.7 22 55.36 +02 51.7 1.123 2.057 -2.09 -15.4 19.4 8.5/232 151.5 13.4 84/2.02 160 .15 17 22 48.31 +01 43.7 22 50.86 +01 59.6 1.174 2.045 -1.94 -14.4 19.5 4.1/203 140.8 18.0 78/2.59 71 .34 27 22 47.26 +01 06.2 22 49.81 +01 22.1 1.241 2.034 -1.79 -13.3 19.6 4.1/118 130.6 21.8 75/2.98 60 .99 Nov. 6 22 49.65 +00 46.6 22 52.21 +01 02.5 1.322 2.022 -1.64 -12.2 19.7 8.4/ 90 121.3 24.8 72/3.19 160 .11 16 22 55.27 +00 46.2 22 57.82 +01 02.3 1.412 2.012 -1.52 -11.2 19.8 12.8/ 82 112.6 27.0 70/3.27 40 .36 26 23 03.70 +01 04.7 23 06.26 +01 21.0 1.509 2.002 -1.41 -10.3 19.9 16.6/ 77 104.7 28.5 69/3.24 94 .97 Dec. 6 23 14.52 +01 40.6 23 17.08 +01 57.0 1.609 1.992 -1.33 - 9.5 20.0 19.9/ 75 97.4 29.4 68/3.15 131 .09 16 23 27.36 +02 32.2 23 29.91 +02 48.8 1.712 1.983 -1.26 - 8.9 20.1 22.7/ 73 90.6 29.8 67/3.01 15 .38 26 23 41.86 +03 37.5 23 44.42 +03 54.1 1.815 1.975 -1.21 - 8.3 20.3 25.0/ 72 84.2 29.7 66/2.85 123 .94 2027 Jan. 5 23 57.76 +04 54.1 00 00.32 +05 10.8 1.918 1.967 -1.17 - 7.8 20.4 26.9/ 71 78.2 29.3 65/2.68 109 .07 15 00 14.85 +06 20.2 00 17.42 +06 36.8 2.018 1.961 -1.14 - 7.3 20.4 28.5/ 71 72.5 28.6 65/2.50 7 .41 25 00 32.96 +07 53.3 00 35.54 +08 09.9 2.116 1.955 -1.11 - 6.9 20.5 29.8/ 70 67.0 27.6 65/2.32 147 .91 Feb. 4 00 51.95 +09 31.5 00 54.56 +09 47.8 2.210 1.949 -1.10 - 6.5 20.6 30.9/ 71 61.9 26.5 65/2.14 91 .06 14 01 11.76 +11 12.6 01 14.39 +11 28.5 2.300 1.945 -1.09 - 6.1 20.7 31.8/ 71 56.9 25.2 66/1.97 29 .46 24 01 32.30 +12 54.5 01 34.96 +13 09.9 2.385 1.942 -1.09 - 5.6 20.8 32.5/ 71 52.1 23.7 66/1.80 168 .88 Mar. 6 01 53.53 +14 35.2 01 56.23 +14 49.8 2.466 1.939 -1.09 - 5.1 20.8 33.1/ 72 47.5 22.2 67/1.63 74 .05