28P/Neujmin
From 247 observations 1913 July 16-2017 Mar. 19.(7) Kinoshita
Epoch = 2020 Feb. 1.0 TT = JDT 2458880.5
T = 2021 Mar. 11.97575 TT peri.= 347.43800
e = 0.7735737 node = 346.34626 (2000.0)
q = 1.5778665 AU incl.= 14.31148
a = 6.9685669 AU n = 0.05357829 P = 18.40 years
m1 = 12.5 + 5log(delta) + 5.0log(r)
A. Node = E:09/10.0 JST O:2021/03/31.5 JST 1.595 AU
D. Node = E:03/07.1 JST O:2015/01/08.4 JST 11.425 AU
2020 JST R.A. (2000) D.C. Delta r Elong. Phase dMo./P.A. Tail/P.A. M-O Ag m1 H/A
01/12 04:50 14 42.47 -26 16.2 4.753 4.427 64.9 11.6 11.3/120.8 0.2/283 102 16 19.1 +19/325
01/13 04:50 14 43.19 -26 22.0 4.732 4.420 65.7 11.7 11.2/121.0 0.2/283 88 17 19.1 +20/326
01/14 04:50 14 43.91 -26 27.7 4.711 4.413 66.6 11.8 11.1/121.3 0.2/283 74 18 19.1 +20/326
01/15 04:50 14 44.61 -26 33.5 4.689 4.406 67.4 11.9 11.0/121.5 0.2/283 60 19 19.1 +20/327
01/16 04:50 14 45.32 -26 39.2 4.668 4.399 68.2 12.0 10.9/121.8 0.2/284 47 20 19.1 +21/328
01/17 04:50 14 46.01 -26 45.0 4.646 4.392 69.0 12.1 10.8/122.0 0.3/284 34 21 19.0 +21/329
01/18 04:40 14 46.69 -26 50.7 4.625 4.385 69.9 12.2 10.7/122.3 0.3/284 22 22 19.0 +20/327
01/19 04:40 14 47.37 -26 56.4 4.603 4.378 70.7 12.2 10.6/122.6 0.3/284 15 23 19.0 +20/328
01/20 04:40 14 48.04 -27 02.1 4.582 4.371 71.5 12.3 10.5/122.9 0.3/284 17 24 19.0 +21/329
01/21 04:40 14 48.70 -27 07.8 4.560 4.363 72.4 12.4 10.4/123.2 0.3/284 27 25 19.0 +21/329
01/22 04:40 14 49.35 -27 13.5 4.538 4.356 73.2 12.5 10.3/123.5 0.3/284 39 26 19.0 +21/330
01/23 04:40 14 50.00 -27 19.2 4.516 4.349 74.0 12.6 10.2/123.9 0.3/284 51 27 19.0 +21/331
01/24 04:30 14 50.63 -27 24.9 4.494 4.342 74.9 12.6 10.1/124.2 0.3/284 63 28 19.0 +21/330
01/25 04:30 14 51.26 -27 30.5 4.472 4.335 75.7 12.7 10.0/124.6 0.3/285 75 29 18.9 +21/330
01/26 04:30 14 51.88 -27 36.2 4.450 4.328 76.5 12.8 9.9/125.0 0.3/285 86 1 18.9 +21/331
01/27 04:30 14 52.49 -27 41.8 4.428 4.321 77.4 12.8 9.7/125.3 0.3/285 98 2 18.9 +21/332
01/28 04:30 14 53.08 -27 47.5 4.406 4.314 78.2 12.9 9.6/125.8 0.3/285 110 3 18.9 +22/333
01/29 04:30 14 53.67 -27 53.1 4.384 4.307 79.1 13.0 9.5/126.2 0.3/285 121 4 18.9 +22/333
01/30 04:20 14 54.25 -27 58.6 4.361 4.300 79.9 13.0 9.4/126.6 0.3/285 132 4 18.9 +21/332
01/31 04:20 14 54.82 -28 04.2 4.339 4.293 80.8 13.1 9.3/127.1 0.3/285 143 5 18.9 +21/333
02/01 04:20 14 55.38 -28 09.8 4.317 4.286 81.6 13.1 9.1/127.6 0.3/285 153 6 18.8 +21/334
02/02 04:20 14 55.92 -28 15.4 4.295 4.279 82.5 13.2 9.0/128.1 0.3/285 161 7 18.8 +22/334
02/03 04:20 14 56.46 -28 20.9 4.272 4.271 83.3 13.2 8.9/128.6 0.3/286 165 8 18.8 +22/335
02/04 04:10 14 56.98 -28 26.4 4.250 4.264 84.2 13.3 8.8/129.2 0.3/286 160 9 18.8 +21/334
02/05 04:10 14 57.50 -28 32.0 4.227 4.257 85.1 13.3 8.6/129.7 0.3/286 151 10 18.8 +21/334
02/06 04:10 14 58.00 -28 37.5 4.205 4.250 85.9 13.4 8.5/130.4 0.3/286 139 11 18.8 +22/335
02/07 04:10 14 58.49 -28 43.0 4.183 4.243 86.8 13.4 8.4/131.0 0.3/286 126 12 18.7 +22/336
02/08 04:10 14 58.97 -28 48.4 4.160 4.236 87.6 13.5 8.2/131.6 0.3/286 113 13 18.7 +22/337
02/09 04:00 14 59.44 -28 53.9 4.138 4.229 88.5 13.5 8.1/132.3 0.3/286 99 14 18.7 +21/335
02/10 04:00 14 59.89 -28 59.3 4.115 4.222 89.4 13.5 8.0/133.1 0.3/287 85 15 18.7 +22/336
02/11 04:00 15 00.34 -29 04.7 4.093 4.214 90.3 13.5 7.8/133.8 0.3/287 70 16 18.7 +22/337
02/12 04:00 15 00.77 -29 10.1 4.070 4.207 91.1 13.6 7.7/134.6 0.3/287 56 18 18.7 +22/338
