C/2017 T1 T 2018 Feb. 21.4106 TT MPEC 2017-U15 q 0.579455 (2000.0) P Q Peri. 96.9384 +0.1439413 +0.1952168 Node 102.1913 -0.4767711 -0.8453871 e 1.0 Incl. 97.0108 +0.8671622 -0.4972033 From 87 observations 2017 Sept. 28-Oct. 16. C/2017 T1 (Heinze) Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag. 2017 09 04 07 52.91 -03 51.2 3.523 2.913 45.9 14.4 17.7 2017 09 09 07 57.57 -03 52.0 3.409 2.849 48.8 15.4 17.6 2017 09 14 08 02.20 -03 53.7 3.291 2.784 51.8 16.5 17.4 2017 09 19 08 06.79 -03 56.3 3.170 2.719 54.9 17.6 17.3 2017 09 24 08 11.33 -03 59.6 3.044 2.653 58.1 18.7 17.1 2017 09 29 08 15.79 -04 03.2 2.914 2.587 61.3 19.9 16.9 2017 10 04 08 20.18 -04 07.1 2.781 2.520 64.6 21.0 16.7 2017 10 09 08 24.47 -04 10.8 2.645 2.452 68.0 22.2 16.5 2017 10 14 08 28.65 -04 14.2 2.505 2.384 71.5 23.4 16.3 2017 10 19 08 32.71 -04 16.7 2.363 2.315 75.0 24.6 16.1 2017 10 24 08 36.60 -04 17.8 2.219 2.246 78.6 25.7 15.9 2017 10 29 08 40.31 -04 16.8 2.072 2.175 82.4 26.9 15.6 2017 11 03 08 43.81 -04 12.9 1.923 2.104 86.2 28.1 15.3 2017 11 08 08 47.06 -04 05.0 1.773 2.032 90.1 29.2 15.1 2017 11 13 08 50.02 -03 51.6 1.622 1.960 94.1 30.2 14.7 2017 11 18 08 52.60 -03 30.6 1.470 1.887 98.4 31.2 14.4 2017 11 23 08 54.73 -02 59.0 1.317 1.812 102.8 32.1 14.0 2017 11 28 08 56.27 -02 12.3 1.164 1.738 107.5 32.8 13.6 2017 12 03 08 57.05 -01 03.7 1.012 1.662 112.5 33.2 13.2 2017 12 08 08 56.77 +00 38.2 0.862 1.585 118.1 33.2 12.7 2017 12 13 08 54.88 +03 13.5 0.713 1.508 124.5 32.5 12.1 2017 12 18 08 50.33 +07 20.8 0.569 1.430 132.2 30.6 11.4 2017 12 23 08 40.69 +14 22.1 0.432 1.351 142.2 26.5 10.7 2017 12 28 08 18.76 +27 21.8 0.312 1.272 154.5 19.5 9.7 2018 01 02 07 12.05 +51 08.1 0.232 1.192 151.5 23.2 8.9 2018 01 07 02 29.37 +68 48.6 0.234 1.112 117.9 51.4 8.7 2018 01 12 23 16.91 +54 35.0 0.313 1.032 90.0 72.3 9.1 2018 01 17 22 30.88 +43 06.4 0.426 0.954 73.4 81.3 9.5 2018 01 22 22 11.94 +36 10.0 0.549 0.877 62.4 83.9 9.8 2018 01 27 22 01.14 +31 30.2 0.675 0.803 54.0 83.1 9.9 2018 02 01 21 53.63 +27 55.3 0.799 0.734 47.2 79.9 10.0 2018 02 06 21 47.78 +24 48.1 0.918 0.674 41.2 74.8 10.0 2018 02 11 21 42.99 +21 47.5 1.030 0.625 36.0 68.2 10.0 2018 02 16 21 39.19 +18 41.4 1.133 0.592 31.5 60.7 10.1 2018 02 21 21 36.51 +15 24.8 1.222 0.580 27.9 53.1 10.2 2018 02 26 21 35.14 +11 58.5 1.295 0.589 25.7 46.8 10.3 2018 03 03 21 35.15 +08 27.1 1.353 0.618 25.0 42.7 10.6 2018 03 08 21 36.44 +04 55.6 1.394 0.665 26.0 40.9 10.9 2018 03 13 21 38.79 +01 26.9 1.422 0.724 28.4 40.8 11.2 2018 03 18 21 41.96 -01 58.0 1.437 0.791 31.8 41.6 11.5 2018 03 23 21 45.72 -05 19.8 1.443 0.864 35.9 42.6 11.8 H = 11.5, 2.5n = 7.5