P/2021 N1 (ZTF) Orbit by S. Nakano unpublished (2021) Last obs. 2021 07 12 (215)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 July 26.37550 0.9664644 0.6756079 5.14 21.21150 301.12876 11.48545 0.200 2026 June 9.0 m1 = 17.0 + 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 14 11.59 -23 46.4 14 14.42 -24 00.4 2.886 2.545 -0.86 + 3.8 23.4 23.4/117 60.3 19.6 284/1.25 167 .84 2026 Jan. 10 14 27.01 -25 30.0 14 29.89 -25 43.3 2.690 2.467 -0.98 + 4.0 23.1 23.6/117 66.4 21.4 284/1.46 32 .56 20 14 42.77 -27 14.4 14 45.71 -27 27.0 2.491 2.388 -1.13 + 4.1 22.8 23.8/117 72.6 23.1 284/1.68 85 .01 30 14 58.88 -28 59.6 15 01.88 -29 11.4 2.289 2.307 -1.31 + 4.1 22.4 23.9/117 78.6 24.7 284/1.94 141 .89 Feb. 9 15 15.37 -30 45.8 15 18.43 -30 56.7 2.087 2.224 -1.52 + 4.2 22.1 24.1/117 84.7 26.2 284/2.23 13 .55 19 15 32.28 -32 33.3 15 35.41 -32 43.2 1.887 2.140 -1.79 + 4.1 21.7 24.3/118 90.6 27.5 284/2.56 109 .03 Mar. 1 15 49.65 -34 22.5 15 52.86 -34 31.4 1.692 2.054 -2.13 + 4.0 21.3 24.7/118 96.4 28.6 284/2.94 115 .93 11 16 07.62 -36 14.0 16 10.91 -36 21.7 1.502 1.966 -2.55 + 3.7 20.8 25.1/118 102.1 29.6 284/3.37 13 .54 21 16 26.35 -38 08.5 16 29.72 -38 15.0 1.319 1.877 -3.10 + 3.1 20.3 25.9/118 107.6 30.4 284/3.88 133 .05 31 16 46.13 -40 06.5 16 49.58 -40 11.7 1.145 1.787 -3.82 + 2.3 19.8 27.0/118 112.8 31.0 285/4.47 91 .95 Apr. 10 17 07.48 -42 08.6 17 11.03 -42 12.2 0.982 1.697 -4.78 + 1.0 19.3 28.9/117 117.6 31.6 286/5.19 30 .52 20 17 31.25 -44 14.1 17 34.89 -44 16.0 0.830 1.605 -6.08 - 1.0 18.7 31.8/115 121.8 32.1 286/6.07 154 .09 30 17 58.91 -46 20.0 18 02.64 -46 20.0 0.690 1.514 -7.91 - 4.2 18.0 36.7/111 125.3 32.9 287/7.22 71 .97 May 10 18 33.13 -48 17.6 18 36.93 -48 15.0 0.563 1.424 -10.52 - 9.6 17.3 45.1/105 127.5 34.2 287/8.78 48 .49 20 19 18.19 -49 42.7 19 21.99 -49 37.0 0.449 1.336 -14.34 -19.9 16.5 60.3/ 94 128.0 36.6 285/11.1 157 .15 30 20 20.29 -49 30.5 20 23.91 -49 20.8 0.349 1.251 -19.88 -41.9 15.7 88.0/ 80 126.0 41.0 278/14.7 64 .98 June 9 21 43.19 -45 06.8 21 46.37 -44 52.9 0.268 1.172 -27.22 -91.7 14.8 132.3/ 63 120.0 48.6 267/20.6 51 .44 19 23 16.51 -32 25.0 23 19.20 -32 08.6 0.214 1.101 -34.42 -196.8 14.1 170.3/ 47 108.1 61.3 253/29.5 151 .20 29 00 39.00 -11 18.2 00 41.52 -11 01.7 0.200 1.042 -34.62 -363.5 13.7 154.1/ 38 91.8 77.1 247/38.5 98 .99 July 9 01 41.98 +09 03.2 01 44.62 +09 18.3 0.230 0.998 -7.12 -424.1 13.8 107.3/ 39 78.8 88.1 249/40.2 7 .37 19 02 29.71 +22 47.6 02 32.56 +23 00.8 0.287 0.972 +2.02 -70.4 14.2 72.1/ 43 73.1 90.5 254/35.1 134 .26 29 03 08.07 +31 15.0 03 11.13 +31 26.3 0.354 0.967 +2.02 +31.2 14.6 51.7/ 50 72.1 87.5 258/28.8 115 1.00 Aug. 8 03 40.68 +36 35.3 03 43.92 +36 44.7 0.423 0.983 +1.02 +46.2 15.1 39.2/ 56 73.7 81.9 262/23.7 14 .29 18 04 08.75 +40 06.7 04 12.15 +40 14.4 0.486 1.019 +0.01 +47.1 15.5 30.2/ 60 76.9 75.4 264/19.8 141 .30 28 04 32.27 +42 32.1 04 35.79 +42 38.2 0.541 1.072 -0.88 +45.4 16.0 22.6/ 61 81.3 68.7 264/16.9 101 1.00 Sept. 7 04 50.68 +44 16.9 04 54.28 +44 21.7 0.585 1.137 -1.69 +43.4 16.4 15.2/ 58 86.8 62.2 264/14.6 36 .21 17 05 02.97 +45 35.8 05 06.64 +45 39.8 0.619 1.213 -2.51 +41.2 16.8 8.1/ 42 93.5 55.8 263/12.8 156 .33 27 05 08.18 +46 35.7 05 11.90 +46 39.3 0.644 1.295 -3.38 +38.4 17.2 4.9/327 101.5 49.4 260/11.1 74 1.00 Oct. 7 05 05.58 +47 16.2 05 09.31 +47 20.0 0.664 1.382 -4.30 +34.1 17.5 11.0/278 110.6 42.6 255/9.48 69 .15 17 04 54.86 +47 29.0 04 58.59 +47 33.6 0.683 1.471 -5.14 +27.6 17.8 18.2/263 121.1 35.5 247/7.82 154 .34 27 04 37.25 +47 00.6 04 40.93 +47 06.4 0.708 1.562 -5.66 +19.0 18.2 23.7/253 132.4 28.0 237/6.07 36 .99 Nov. 6 04 15.66 +45 40.4 04 19.25 +45 47.7 0.745 1.653 -5.71 + 9.6 18.5 26.5/243 143.9 20.7 222/4.34 113 .11 16 03 54.05 +43 30.2 03 57.52 +43 38.8 0.801 1.744 -5.31 + 1.6 18.9 25.8/233 153.9 14.4 199/2.87 118 .36 26 03 36.00 +40 47.6 03 39.35 +40 57.3 0.878 1.835 -4.67 - 3.7 19.4 22.5/222 159.1 11.1 163/2.04 26 .97 Dec. 6 03 23.25 +37 57.5 03 26.49 +38 07.9 0.980 1.924 -3.98 - 6.4 19.8 18.0/210 156.4 11.8 126/1.99 157 .09 16 03 16.00 +35 20.2 03 19.17 +35 31.1 1.105 2.012 -3.34 - 7.2 20.3 13.6/193 148.7 14.7 104/2.23 77 .38 26 03 13.66 +33 07.5 03 16.77 +33 18.5 1.251 2.099 -2.81 - 6.9 20.7 10.7/169 139.5 17.7 92/2.41 66 .94 2027 Jan. 5 03 15.26 +31 22.3 03 18.34 +31 33.2 1.416 2.184 -2.37 - 6.1 21.1 10.0/142 130.2 20.1 86/2.45 161 .07 15 03 19.98 +30 03.0 03 23.04 +30 13.7 1.596 2.267 -2.02 - 5.1 21.6 10.9/121 121.2 21.8 82/2.38 42 .41 25 03 27.12 +29 05.8 03 30.18 +29 16.1 1.787 2.349 -1.74 - 4.2 22.0 12.5/108 112.6 22.8 80/2.24 102 .91 Feb. 4 03 36.11 +28 26.2 03 39.17 +28 35.9 1.988 2.429 -1.51 - 3.3 22.3 14.0/100 104.5 23.1 79/2.06 134 .06 14 03 46.55 +28 00.0 03 49.61 +28 09.1 2.195 2.508 -1.33 - 2.6 22.7 15.4/ 96 96.6 23.0 78/1.87 11 .46 24 03 58.10 +27 43.7 04 01.17 +27 52.0 2.405 2.585 -1.17 - 1.9 23.0 16.5/ 93 89.0 22.5 78/1.68 131 .88 Mar. 6 04 10.50 +27 34.0 04 13.59 +27 41.6 2.615 2.660 -1.05 - 1.3 23.3 17.4/ 91 81.7 21.7 79/1.50 109 .05