P/2021 L4 (PANSTARRS) Orbit by S. Nakano NK 4871 (2022) Observed in 2nd half of 2022
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Apr. 19.57886 2.7949446 0.1179023 5.64 234.12046 243.18250 16.96112 0.200 2023 Sep. 13.0 m1 = 13.0 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 20 41.82 -03 54.5 20 44.44 -03 43.6 4.194 3.494 -0.43 - 2.5 21.5 18.7/ 78 39.7 10.4 57/0.46 23 .18 2023 Jan. 6 20 54.03 -03 15.9 20 56.64 -03 04.3 4.269 3.489 -0.43 - 2.5 21.6 19.3/ 76 33.3 8.9 51/0.39 135 .99 16 21 06.52 -02 29.9 21 09.12 -02 17.7 4.331 3.484 -0.42 - 2.4 21.6 19.7/ 74 27.1 7.4 44/0.32 102 .41 26 21 19.20 -01 37.1 21 21.78 -01 24.2 4.376 3.478 -0.42 - 2.4 21.6 20.0/ 73 21.5 5.9 34/0.26 43 .23 Feb. 5 21 31.97 -00 37.8 21 34.54 -00 24.4 4.405 3.472 -0.42 - 2.4 21.6 20.3/ 71 16.7 4.7 18/0.20 154 .99 15 21 44.76 +00 27.2 21 47.32 +00 41.2 4.418 3.466 -0.42 - 2.4 21.6 20.4/ 70 13.7 3.9 354/0.17 78 .36 25 21 57.50 +01 37.5 22 00.05 +01 51.9 4.414 3.460 -0.43 - 2.4 21.6 20.3/ 68 13.5 3.8 325/0.17 66 .27 Mar. 7 22 10.13 +02 52.4 22 12.66 +03 07.2 4.394 3.453 -0.43 - 2.4 21.6 20.2/ 67 16.3 4.6 302/0.20 162 1.00 17 22 22.58 +04 11.1 22 25.11 +04 26.3 4.358 3.447 -0.44 - 2.4 21.6 20.0/ 66 20.8 5.9 286/0.26 52 .29 27 22 34.80 +05 33.1 22 37.33 +05 48.7 4.307 3.439 -0.45 - 2.4 21.5 19.7/ 64 26.1 7.3 277/0.33 88 .30 Apr. 6 22 46.73 +06 57.7 22 49.25 +07 13.6 4.241 3.432 -0.46 - 2.4 21.5 19.3/ 63 31.9 8.9 270/0.40 149 1.00 16 22 58.31 +08 24.1 23 00.83 +08 40.3 4.161 3.425 -0.47 - 2.4 21.4 18.7/ 62 37.9 10.4 265/0.48 27 .22 26 23 09.47 +09 51.8 23 11.99 +10 08.1 4.068 3.417 -0.48 - 2.4 21.4 18.0/ 60 44.0 11.8 261/0.55 109 .32 May 6 23 20.14 +11 19.9 23 22.67 +11 36.4 3.963 3.409 -0.50 - 2.3 21.3 17.2/ 59 50.3 13.2 258/0.63 127 1.00 16 23 30.24 +12 47.8 23 32.77 +13 04.3 3.847 3.401 -0.52 - 2.3 21.2 16.3/ 57 56.8 14.4 256/0.71 20 .15 26 23 39.66 +14 14.6 23 42.20 +14 31.2 3.723 3.392 -0.54 - 2.3 21.2 15.1/ 56 63.4 15.5 254/0.78 131 .35 June 5 23 48.29 +15 39.4 23 50.84 +15 56.1 3.590 3.384 -0.57 - 2.3 21.1 13.8/ 53 70.2 16.4 251/0.86 100 .99 15 23 56.00 +17 01.5 23 58.56 +17 18.2 3.452 3.375 -0.60 - 2.3 21.0 12.3/ 50 77.1 17.1 249/0.92 41 .10 25 00 02.63 +18 19.5 00 05.20 +18 36.2 3.310 3.366 -0.63 - 2.3 20.9 10.5/ 46 84.4 17.5 247/0.98 151 .37 July 5 00 08.00 +19 32.0 00 10.58 +19 48.7 3.167 3.357 -0.67 - 2.3 20.8 8.6/ 40 91.8 17.6 245/1.03 70 .96 15 00 11.93 +20 37.7 00 14.52 +20 54.4 3.024 3.347 -0.71 - 2.4 20.6 6.5/ 30 99.6 17.4 242/1.07 69 .07 25 00 14.23 +21 34.3 00 16.82 +21 50.9 2.885 3.338 -0.75 - 2.5 20.5 4.6/ 9 107.7 16.9 239/1.08 159 .41 Aug. 4 00 14.74 +22 19.4 00 17.33 +22 36.0 2.753 3.328 -0.80 - 2.6 20.4 3.6/328 116.2 15.9 235/1.06 37 .92 14 00 13.36 +22 50.4 00 15.95 +23 07.1 2.632 3.318 -0.84 - 2.8 20.3 4.7/287 125.0 14.5 231/1.01 99 .05 24 00 10.09 +23 04.2 00 12.68 +23 20.9 2.524 3.308 -0.88 - 3.1 20.2 6.9/265 134.0 12.7 224/0.93 135 .46 Sept. 3 00 05.13 +22 58.4 00 07.70 +23 15.1 2.435 3.298 -0.92 - 3.3 20.1 9.1/253 143.0 10.6 215/0.80 23 .88 13 23 58.83 +22 31.3 00 01.40 +22 48.0 2.368 3.287 -0.94 - 3.6 20.0 10.9/244 151.4 8.4 201/0.65 131 .04 23 23 51.78 +21 43.1 23 54.33 +21 59.8 2.326 3.277 -0.94 - 3.9 20.0 11.9/236 157.7 6.7 178/0.53 97 .52 Oct. 3 23 44.71 +20 36.6 23 47.24 +20 53.3 2.311 3.266 -0.93 - 4.1 20.0 12.0/229 159.4 6.2 145/0.49 53 .84 13 23 38.33 +19 16.8 23 40.86 +19 33.5 2.323 3.256 -0.91 - 4.1 20.0 11.2/220 155.1 7.4 116/0.59 158 .03 23 23 33.30 +17 50.3 23 35.83 +18 06.9 2.362 3.245 -0.87 - 4.1 20.0 9.8/208 147.4 9.5 98/0.74 56 .60 Nov. 2 23 30.10 +16 24.3 23 32.62 +16 40.8 2.426 3.234 -0.84 - 3.9 20.0 8.1/192 138.2 11.8 87/0.89 89 .81 12 23 28.95 +15 04.6 23 31.47 +15 21.2 2.511 3.223 -0.79 - 3.7 20.1 7.0/168 128.6 13.9 80/1.02 144 .02 22 23 29.93 +13 56.0 23 32.46 +14 12.6 2.613 3.212 -0.75 - 3.4 20.2 7.0/141 119.1 15.6 75/1.10 21 .67 Dec. 2 23 32.97 +13 01.3 23 35.50 +13 17.9 2.728 3.200 -0.72 - 3.1 20.2 8.2/119 109.9 16.8 71/1.14 121 .79 12 23 37.88 +12 21.6 23 40.42 +12 38.2 2.852 3.189 -0.69 - 2.8 20.3 10.0/104 101.0 17.6 69/1.14 114 .01 22 23 44.49 +11 57.0 23 47.03 +12 13.7 2.981 3.178 -0.66 - 2.6 20.4 11.9/ 95 92.4 18.0 66/1.12 28 .74 2024 Jan. 1 23 52.57 +11 46.8 23 55.12 +12 03.5 3.112 3.167 -0.64 - 2.4 20.5 13.7/ 89 84.2 18.0 65/1.07 148 .78 11 00 01.92 +11 49.7 00 04.49 +12 06.4 3.241 3.155 -0.62 - 2.2 20.5 15.4/ 84 76.2 17.6 63/1.01 84 .01 21 00 12.38 +12 04.2 00 14.96 +12 20.9 3.366 3.144 -0.60 - 2.0 20.6 16.9/ 81 68.6 16.9 62/0.94 57 .79 31 00 23.77 +12 28.8 00 26.36 +12 45.4 3.484 3.132 -0.59 - 1.8 20.7 18.1/ 79 61.3 16.0 61/0.86 169 .77 Feb. 10 00 35.96 +13 01.8 00 38.56 +13 18.3 3.594 3.121 -0.59 - 1.6 20.7 19.2/ 78 54.2 14.9 60/0.77 54 .00 20 00 48.84 +13 41.6 00 51.46 +13 58.0 3.694 3.109 -0.58 - 1.5 20.8 20.1/ 77 47.3 13.5 59/0.68 82 .82 Mar. 1 01 02.31 +14 26.8 01 04.95 +14 42.9 3.783 3.098 -0.58 - 1.3 20.8 20.9/ 76 40.6 12.0 59/0.60 160 .75 11 01 16.30 +15 15.8 01 18.96 +15 31.6 3.859 3.087 -0.58 - 1.2 20.8 21.5/ 76 34.1 10.4 57/0.51 26 .01 21 01 30.74 +16 07.4 01 33.43 +16 22.8 3.922 3.075 -0.58 - 1.0 20.8 22.0/ 76 27.7 8.7 56/0.42 106 .84 31 01 45.56 +17 00.3 01 48.28 +17 15.2 3.971 3.064 -0.58 - 0.9 20.9 22.3/ 76 21.6 6.9 54/0.33 137 .72