231P/LINEAR-NEAT From 431 observations 1950 Apr. 20-2019 May 5.(4) Kinoshita Epoch = 2020 Feb. 1.0 TT = JDT 2458880.5 T = 2019 June 14.46495 TT peri.= 42.79785 e = 0.2475501 node = 133.02788 (2000.0) q = 3.0226806 AU incl.= 12.33388 a = 4.0171187 AU n = 0.12241428 P = 8.05 years m1 = 11.5 + 5log(delta) + 10.0log(r) A. Node = E:02/03.1 JST O:2018/11/14.8 JST 3.191 AU D. Node = E:08/06.4 JST O:2022/01/09.6 JST 4.608 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 15 36.27 -08 10.2 3.606 3.190 57.7 15.1 18.5/ 96.4 0.4/291 108 16 19.3 +26/302 01/13 04:50 15 37.51 -08 12.3 3.595 3.192 58.4 15.2 18.3/ 96.1 0.4/290 94 17 19.3 +26/303 01/14 04:50 15 38.74 -08 14.2 3.585 3.193 59.1 15.3 18.2/ 95.9 0.4/290 80 18 19.3 +27/303 01/15 04:50 15 39.96 -08 16.1 3.575 3.195 59.8 15.4 18.1/ 95.7 0.4/290 66 19 19.3 +27/304 01/16 04:50 15 41.17 -08 17.9 3.564 3.196 60.5 15.5 17.9/ 95.4 0.4/290 52 20 19.3 +28/304 01/17 04:40 15 42.36 -08 19.6 3.554 3.198 61.2 15.6 17.8/ 95.2 0.4/289 39 21 19.3 +26/303 01/18 04:40 15 43.56 -08 21.2 3.543 3.199 61.9 15.7 17.7/ 95.0 0.4/289 25 22 19.3 +27/303 01/19 04:40 15 44.74 -08 22.7 3.532 3.201 62.6 15.8 17.5/ 94.7 0.4/289 13 23 19.3 +27/304 01/20 04:40 15 45.92 -08 24.1 3.521 3.202 63.3 15.9 17.4/ 94.5 0.4/289 8 24 19.3 +28/305 01/21 04:40 15 47.09 -08 25.5 3.510 3.204 64.0 16.0 17.2/ 94.2 0.4/288 18 25 19.3 +28/305 01/22 04:40 15 48.25 -08 26.7 3.499 3.205 64.7 16.1 17.1/ 93.9 0.4/288 30 26 19.3 +29/306 01/23 04:40 15 49.40 -08 27.9 3.488 3.207 65.5 16.2 16.9/ 93.7 0.4/288 42 27 19.3 +29/306 01/24 04:30 15 50.53 -08 29.0 3.477 3.208 66.2 16.3 16.8/ 93.4 0.4/288 54 28 19.3 +28/305 01/25 04:30 15 51.66 -08 30.0 3.466 3.210 66.9 16.4 16.6/ 93.2 0.5/287 67 29 19.3 +28/305 01/26 04:30 15 52.78 -08 30.9 3.455 3.212 67.6 16.5 16.5/ 92.9 0.5/287 79 1 19.3 +29/306 01/27 04:30 15 53.89 -08 31.7 3.443 3.213 68.3 16.5 16.3/ 92.6 0.5/287 91 2 19.3 +29/307 01/28 04:30 15 54.98 -08 32.4 3.432 3.215 69.1 16.6 16.1/ 92.3 0.5/287 102 3 19.2 +30/307 01/29 04:30 15 56.07 -08 33.1 3.421 3.216 69.8 16.7 16.0/ 92.0 0.5/286 114 4 19.2 +30/308 01/30 04:20 15 57.14 -08 33.6 3.409 3.218 70.5 16.8 15.8/ 91.7 0.5/286 125 4 19.2 +29/306 01/31 04:20 15 58.21 -08 34.1 3.398 3.219 71.3 16.8 15.6/ 91.4 0.5/286 136 5 19.2 +29/307 02/01 04:20 15 59.26 -08 34.5 3.386 3.221 72.0 16.9 15.5/ 91.1 0.5/286 148 6 19.2 +30/308 02/02 04:20 16 00.31 -08 34.8 3.374 3.223 72.8 17.0 15.3/ 90.8 0.5/285 159 7 19.2 +30/308 02/03 04:20 16 01.34 -08 35.0 3.362 3.224 73.5 17.0 15.1/ 90.5 0.5/285 168 8 19.2 +31/309 02/04 04:20 16 02.36 -08 35.2 3.351 3.226 74.2 17.1 15.0/ 90.2 0.5/285 170 9 19.2 +31/310 02/05 04:10 16 03.36 -08 35.2 3.339 3.227 75.0 17.2 14.8/ 89.9 0.5/285 161 10 19.2 +30/308 02/06 04:10 16 04.36 -08 35.2 3.327 3.229 75.7 17.2 14.6/ 89.6 0.5/284 149 11 19.2 +31/309 02/07 04:10 16 05.34 -08 35.1 3.315 3.231 76.5 17.3 14.4/ 89.2 0.5/284 136 12 19.2 +31/309 02/08 04:10 16 06.31 -08 34.9 3.303 3.232 77.3 17.3 14.2/ 88.9 0.5/284 122 13 19.2 +31/310 02/09 04:10 16 07.27 -08 34.6 3.291 3.234 78.0 17.4 14.0/ 88.5 0.5/284 108 14 19.2 +32/311 02/10 04:00 16 08.21 -08 34.2 3.279 3.235 78.8 17.4 13.9/ 88.2 0.5/283 94 15 19.2 +31/309 02/11 04:00 16 09.14 -08 33.8 3.267 3.237 79.5 17.4 13.7/ 87.8 0.5/283 79 16 19.2 +31/310 02/12 04:00 16 10.06 -08 33.3 3.255 3.239 80.3 17.5 13.5/ 87.4 0.5/283 65 18 19.2 +32/310