254P/McNaught
From 85 observations 1980 Oct. 5-2011 Nov. 17. Kinoshita
Epoch = 2020 Feb. 1.0 TT = JDT 2458880.5
T = 2020 Sept. 29.26495 TT peri.= 219.41322
e = 0.3211415 node = 129.17203 (2000.0)
q = 3.1371624 AU incl.= 32.56149
a = 4.6212315 AU n = 0.09921275 P = 9.93 years
m1 = 11.0 + 5log(delta) + 10.0log(r)
A. Node = E:01/30.3 JST O:2023/11/04.4 JST 5.512 AU
D. Node = E:08/02.4 JST O:2020/03/12.7 JST 3.321 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 17:20 19 57.71 -16 11.2 4.406 3.435 8.2 2.3 20.7/ 90.9 0.1/ 46 164 16 19.6 +5/ 67
01/13 17:20 19 59.15 -16 11.5 4.405 3.433 7.6 2.2 20.7/ 90.7 0.0/ 44 151 18 19.6 +4/ 67
01/14 17:20 20 00.59 -16 11.7 4.405 3.431 7.0 2.0 20.8/ 90.5 0.0/ 41 137 19 19.6 +4/ 67
01/15 17:20 20 02.03 -16 11.9 4.405 3.429 6.4 1.8 20.8/ 90.4 0.0/ 38 123 20 19.6 +3/ 68
01/16 17:20 20 03.47 -16 12.0 4.404 3.427 5.9 1.7 20.8/ 90.2 0.0/ 34 109 21 19.6 +3/ 68
01/17 17:20 20 04.91 -16 12.1 4.403 3.425 5.4 1.5 20.8/ 90.1 0.0/ 29 95 22 19.6 +2/ 68
01/18 17:20 20 06.36 -16 12.1 4.402 3.423 4.9 1.4 20.8/ 89.9 0.0/ 24 82 23 19.6 +2/ 69
01/19 17:20 20 07.81 -16 12.1 4.401 3.421 4.5 1.3 20.9/ 89.8 0.0/ 17 69 24 19.6 +1/ 69
01/20 17:10 20 09.25 -16 12.0 4.399 3.419 4.1 1.2 20.9/ 89.6 0.0/ 9 56 25 19.6 +3/ 68
01/21 17:10 20 10.69 -16 11.8 4.398 3.417 3.9 1.1 20.9/ 89.5 0.0/ 0 43 26 19.6 +2/ 68
01/22 07:00 20 11.53 -16 11.7 4.397 3.416 3.7 1.1 20.9/ 89.4 0.0/354 35 27 19.6 +1/291
01/23 07:00 20 12.98 -16 11.5 4.395 3.414 3.7 1.1 20.9/ 89.3 0.0/344 23 28 19.5 +2/291
01/24 07:00 20 14.43 -16 11.2 4.393 3.412 3.7 1.1 20.9/ 89.1 0.0/333 11 28 19.5 +2/291
01/25 07:00 20 15.89 -16 10.8 4.391 3.410 3.8 1.1 20.9/ 89.0 0.0/323 6 0 19.5 +3/292
01/26 06:50 20 17.33 -16 10.4 4.389 3.408 4.1 1.2 21.0/ 88.9 0.0/314 15 1 19.5 +1/291
01/27 06:50 20 18.78 -16 10.0 4.386 3.406 4.5 1.3 21.0/ 88.7 0.0/306 27 2 19.5 +2/291
01/28 06:50 20 20.24 -16 09.5 4.384 3.404 4.9 1.4 21.0/ 88.6 0.0/299 38 3 19.5 +2/291
01/29 06:50 20 21.69 -16 09.0 4.381 3.402 5.3 1.5 21.0/ 88.5 0.0/294 50 4 19.5 +3/292
01/30 06:50 20 23.15 -16 08.4 4.378 3.400 5.9 1.7 21.0/ 88.3 0.0/289 61 5 19.5 +3/292
01/31 06:50 20 24.61 -16 07.8 4.375 3.398 6.4 1.9 21.0/ 88.2 0.0/285 73 5 19.5 +3/292
02/01 06:40 20 26.05 -16 07.1 4.371 3.396 7.0 2.0 21.0/ 88.1 0.0/282 84 6 19.5 +2/291
02/02 06:40 20 27.51 -16 06.4 4.368 3.394 7.5 2.2 21.0/ 88.0 0.0/279 96 7 19.5 +3/292
02/03 06:40 20 28.96 -16 05.7 4.364 3.392 8.1 2.4 21.0/ 87.9 0.1/276 107 8 19.5 +3/292
02/04 06:40 20 30.42 -16 04.9 4.360 3.390 8.8 2.5 21.0/ 87.8 0.1/274 119 9 19.5 +3/292
02/05 06:40 20 31.88 -16 04.0 4.357 3.388 9.4 2.7 21.0/ 87.7 0.1/273 132 10 19.5 +4/293
02/06 06:40 20 33.33 -16 03.1 4.352 3.386 10.0 2.9 21.0/ 87.5 0.1/271 145 11 19.5 +4/293
02/07 06:30 20 34.78 -16 02.2 4.348 3.384 10.6 3.1 21.0/ 87.4 0.1/269 158 12 19.5 +3/292
02/08 06:30 20 36.23 -16 01.3 4.344 3.382 11.3 3.3 21.0/ 87.3 0.1/268 171 13 19.5 +4/292
02/09 06:30 20 37.69 -16 00.3 4.339 3.380 11.9 3.4 21.0/ 87.2 0.1/267 172 14 19.5 +4/293
02/10 06:30 20 39.14 -15 59.3 4.334 3.378 12.5 3.6 21.0/ 87.1 0.1/266 158 15 19.5 +4/293
02/11 06:30 20 40.59 -15 58.2 4.329 3.376 13.2 3.8 21.0/ 87.1 0.1/265 144 17 19.5 +5/293
02/12 06:30 20 42.05 -15 57.1 4.324 3.374 13.8 4.0 21.0/ 87.0 0.1/264 129 18 19.5 +5/294
