50P/Arend Orbit by S. Nakano NK 4721 (2022) Last obs. 2017 03 28 (F51)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 May 12.82701 1.9223093 0.5297416 8.26 49.35923 355.17242 19.10136 0.200 2023 Sep. 13.0 m1 = 9.5 + 5 log Delta + 15.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 18 53.10 -37 41.7 18 56.49 -37 37.7 5.035 4.100 -0.39 - 1.1 22.2 16.9/ 82 16.2 3.8 149/0.15 44 .18 2023 Jan. 6 19 07.10 -37 15.3 19 10.47 -37 10.4 4.998 4.054 -0.40 - 1.3 22.1 17.1/ 81 14.6 3.5 175/0.13 166 .99 16 19 21.22 -36 47.5 19 24.56 -36 41.6 4.942 4.009 -0.41 - 1.5 22.0 17.3/ 81 16.5 4.0 200/0.15 72 .41 26 19 35.37 -36 18.1 19 38.68 -36 11.3 4.868 3.963 -0.42 - 1.8 21.9 17.3/ 81 20.8 5.1 217/0.20 72 .23 Feb. 5 19 49.45 -35 47.5 19 52.72 -35 39.7 4.775 3.916 -0.44 - 2.0 21.8 17.3/ 80 26.3 6.4 227/0.26 163 .99 15 20 03.35 -35 15.9 20 06.58 -35 07.2 4.665 3.869 -0.45 - 2.3 21.7 17.1/ 80 32.5 7.9 233/0.32 45 .36 25 20 17.00 -34 43.8 20 20.19 -34 34.3 4.540 3.821 -0.47 - 2.6 21.5 16.7/ 80 39.0 9.4 237/0.39 99 .27 Mar. 7 20 30.28 -34 11.8 20 33.44 -34 01.5 4.400 3.773 -0.48 - 2.9 21.4 16.3/ 80 45.6 10.8 240/0.47 141 1.00 17 20 43.12 -33 40.6 20 46.24 -33 29.6 4.247 3.725 -0.50 - 3.3 21.2 15.7/ 80 52.4 12.2 242/0.55 17 .29 27 20 55.42 -33 11.0 20 58.50 -32 59.4 4.083 3.676 -0.52 - 3.6 21.0 14.9/ 80 59.4 13.5 244/0.62 124 .30 Apr. 6 21 07.05 -32 44.0 21 10.10 -32 31.8 3.909 3.626 -0.54 - 4.0 20.9 13.9/ 81 66.4 14.6 245/0.71 116 1.00 16 21 17.93 -32 20.5 21 20.94 -32 07.8 3.729 3.576 -0.57 - 4.4 20.7 12.8/ 82 73.5 15.6 247/0.79 21 .22 26 21 27.90 -32 01.8 21 30.88 -31 48.5 3.544 3.526 -0.60 - 4.9 20.5 11.4/ 84 80.8 16.4 248/0.86 148 .32 May 6 21 36.81 -31 48.8 21 39.77 -31 35.1 3.356 3.475 -0.64 - 5.3 20.2 9.8/ 87 88.3 16.9 250/0.94 88 1.00 16 21 44.49 -31 42.6 21 47.43 -31 28.7 3.168 3.424 -0.68 - 5.8 20.0 7.9/ 92 96.0 17.1 251/1.00 52 .15 26 21 50.71 -31 44.4 21 53.64 -31 30.2 2.983 3.373 -0.73 - 6.3 19.8 5.9/100 103.9 16.9 254/1.05 167 .35 June 5 21 55.24 -31 54.7 21 58.16 -31 40.3 2.804 3.321 -0.78 - 6.8 19.6 3.8/120 112.1 16.4 256/1.08 56 .99 15 21 57.83 -32 13.7 22 00.74 -31 59.3 2.634 3.269 -0.84 - 7.3 19.3 2.7/171 120.6 15.5 260/1.08 86 .10 25 21 58.18 -32 40.8 22 01.10 -32 26.3 2.475 3.217 -0.90 - 7.7 19.1 4.2/218 129.3 14.1 265/1.05 149 .37 July 5 21 56.08 -33 13.9 21 59.02 -32 59.6 2.333 3.164 -0.97 - 8.1 18.8 6.9/238 138.2 12.4 272/0.97 21 .96 15 21 51.41 -33 49.7 21 54.36 -33 35.5 2.209 3.112 -1.04 - 8.3 18.6 9.5/249 147.1 10.2 282/0.85 121 .07 25 21 44.22 -34 23.0 21 47.21 -34 09.1 2.108 3.059 -1.10 - 8.3 18.4 11.7/257 155.1 8.1 299/0.70 115 .41 Aug. 4 21 34.94 -34 47.3 21 37.95 -34 33.7 2.031 3.006 -1.14 - 8.2 18.2 13.1/265 160.3 6.5 327/0.59 31 .92 14 21 24.28 -34 56.4 21 27.33 -34 43.3 1.981 2.953 -1.16 - 7.9 18.0 13.6/274 159.9 6.8 3/0.62 157 .05 24 21 13.31 -34 45.5 21 16.38 -34 32.9 1.957 2.899 -1.15 - 7.6 17.9 12.9/284 153.9 8.8 31/0.82 76 .46 Sept. 3 21 03.21 -34 12.7 21 06.30 -34 00.6 1.959 2.846 -1.11 - 7.2 17.8 11.5/297 145.2 11.7 47/1.08 73 .88 13 20 55.01 -33 19.2 20 58.09 -33 07.6 1.984 2.793 -1.05 - 7.0 17.7 10.0/315 135.7 14.6 57/1.33 158 .04 23 20 49.45 -32 08.2 20 52.52 -31 56.8 2.027 2.741 -0.99 - 6.9 17.6 9.1/338 126.0 17.2 63/1.53 36 .52 Oct. 3 20 46.90 -30 43.6 20 49.95 -30 32.4 2.086 2.688 -0.93 - 6.9 17.5 9.5/ 4 116.7 19.4 68/1.68 110 .84 13 20 47.38 -29 09.1 20 50.40 -28 57.9 2.156 2.636 -0.87 - 7.0 17.5 11.1/ 23 107.7 21.1 71/1.76 127 .03 23 20 50.75 -27 27.1 20 53.73 -27 15.7 2.232 2.584 -0.82 - 7.1 17.4 13.4/ 37 99.2 22.3 72/1.80 5 .60 Nov. 2 20 56.69 -25 39.1 20 59.63 -25 27.4 2.312 2.534 -0.78 - 7.4 17.4 15.9/ 45 91.1 23.1 73/1.80 141 .81 12 21 04.89 -23 45.6 21 07.79 -23 33.5 2.393 2.483 -0.75 - 7.6 17.3 18.4/ 50 83.5 23.3 74/1.76 100 .02 22 21 15.04 -21 46.6 21 17.89 -21 34.0 2.472 2.434 -0.72 - 7.9 17.3 20.7/ 53 76.2 23.2 74/1.70 34 .67 Dec. 2 21 26.82 -19 42.0 21 29.62 -19 28.8 2.547 2.386 -0.70 - 8.2 17.2 22.8/ 55 69.4 22.8 73/1.62 165 .79 12 21 39.97 -17 31.2 21 42.74 -17 17.4 2.617 2.338 -0.69 - 8.5 17.1 24.8/ 57 62.9 22.0 73/1.53 75 .01 22 21 54.31 -15 13.8 21 57.02 -14 59.5 2.680 2.293 -0.69 - 8.9 17.0 26.5/ 57 56.7 21.0 72/1.43 62 .74 2024 Jan. 1 22 09.61 -12 49.6 22 12.29 -12 34.8 2.737 2.249 -0.69 - 9.2 17.0 28.1/ 58 50.8 19.8 70/1.33 174 .78 11 22 25.77 -10 18.5 22 28.41 -10 03.2 2.786 2.206 -0.69 - 9.6 16.9 29.6/ 58 45.2 18.4 69/1.22 52 .01 21 22 42.67 -07 40.5 22 45.28 -07 24.7 2.827 2.166 -0.70 - 9.9 16.8 30.9/ 58 39.9 16.9 67/1.10 85 .79 31 23 00.24 -04 56.1 23 02.82 -04 39.9 2.861 2.128 -0.71 -10.2 16.7 32.1/ 58 34.8 15.3 65/0.99 157 .77 Feb. 10 23 18.42 -02 05.5 23 20.99 -01 49.0 2.888 2.092 -0.73 -10.5 16.6 33.2/ 58 30.0 13.6 63/0.88 30 .00 20 23 37.21 +00 50.4 23 39.77 +01 07.1 2.908 2.060 -0.75 -10.8 16.5 34.2/ 58 25.5 11.9 60/0.76 104 .82 Mar. 1 23 56.60 +03 50.7 23 59.16 +04 07.4 2.921 2.030 -0.78 -11.0 16.4 35.1/ 58 21.2 10.2 56/0.65 141 .75 11 00 16.62 +06 54.2 00 19.19 +07 10.8 2.930 2.003 -0.82 -11.1 16.4 35.9/ 59 17.3 8.5 51/0.54 10 .01 21 00 37.31 +09 59.4 00 39.91 +10 15.9 2.933 1.980 -0.86 -11.1 16.3 36.5/ 59 13.8 6.9 44/0.44 120 .84 31 00 58.71 +13 04.7 01 01.34 +13 20.9 2.933 1.961 -0.90 -11.1 16.2 37.1/ 60 10.8 5.5 32/0.35 125 .72