P/2017 P1 Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 T 2018 June 17.3561 TT MPC 106347 q 5.438835 (2000.0) P Q n 0.0446908 Peri. 122.1600 +0.9540456 +0.2862590 a 7.864247 Node 221.3957 -0.2995964 +0.9050223 e 0.308410 Incl. 7.7014 -0.0062383 +0.3146275 P 22.1 From 42 observations 2017 June 25-Aug. 24, mean residual 0".4. P/2017 P1 (PANSTARRS) Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag. 2017 06 26 21 18.83 -06 19.7 4.879 5.628 133.6 7.5 19.4 2017 07 01 21 17.79 -06 18.6 4.821 5.623 138.4 6.9 19.4 2017 07 06 21 16.52 -06 19.1 4.769 5.618 143.3 6.2 19.4 2017 07 11 21 15.05 -06 21.1 4.723 5.613 148.2 5.5 19.4 2017 07 16 21 13.39 -06 24.6 4.682 5.608 153.1 4.7 19.3 2017 07 21 21 11.58 -06 29.5 4.648 5.603 157.9 3.9 19.3 2017 07 26 21 09.64 -06 35.8 4.621 5.598 162.5 3.1 19.3 2017 07 31 21 07.61 -06 43.4 4.601 5.594 166.7 2.4 19.3 2017 08 05 21 05.53 -06 52.0 4.588 5.589 169.7 1.9 19.3 2017 08 10 21 03.43 -07 01.6 4.582 5.584 170.6 1.7 19.3 2017 08 15 21 01.34 -07 12.0 4.583 5.580 168.6 2.0 19.3 2017 08 20 20 59.32 -07 23.0 4.592 5.575 165.0 2.7 19.3 2017 08 25 20 57.39 -07 34.4 4.608 5.571 160.6 3.5 19.3 2017 08 30 20 55.59 -07 46.0 4.630 5.567 155.8 4.3 19.3 2017 09 04 20 53.96 -07 57.6 4.660 5.562 150.9 5.1 19.3 2017 09 09 20 52.52 -08 09.1 4.695 5.558 145.9 5.8 19.3 2017 09 14 20 51.31 -08 20.2 4.737 5.554 140.9 6.6 19.3 2017 09 19 20 50.33 -08 30.9 4.784 5.550 135.9 7.2 19.3 2017 09 24 20 49.61 -08 40.9 4.837 5.546 130.9 7.9 19.4 2017 09 29 20 49.18 -08 50.2 4.894 5.542 126.0 8.4 19.4 2017 10 04 20 49.02 -08 58.6 4.955 5.538 121.1 8.9 19.4 2017 10 09 20 49.16 -09 05.9 5.020 5.535 116.2 9.3 19.4 2017 10 14 20 49.58 -09 12.2 5.088 5.531 111.4 9.7 19.5 2017 10 19 20 50.30 -09 17.3 5.158 5.527 106.7 9.9 19.5 2017 10 24 20 51.30 -09 21.2 5.231 5.524 102.0 10.1 19.5 2017 10 29 20 52.59 -09 23.8 5.305 5.520 97.3 10.3 19.5 2017 11 03 20 54.15 -09 25.2 5.379 5.517 92.8 10.3 19.6 2017 11 08 20 55.97 -09 25.1 5.455 5.513 88.2 10.3 19.6 2017 11 13 20 58.04 -09 23.8 5.530 5.510 83.7 10.3 19.6 2017 11 18 21 00.35 -09 21.0 5.604 5.507 79.3 10.2 19.7 2017 11 23 21 02.90 -09 16.9 5.678 5.504 74.9 10.0 19.7 2017 11 28 21 05.65 -09 11.4 5.750 5.501 70.6 9.7 19.7 2017 12 03 21 08.60 -09 04.6 5.820 5.498 66.3 9.4 19.7 2017 12 08 21 11.74 -08 56.5 5.888 5.495 62.0 9.1 19.7 2017 12 13 21 15.05 -08 47.1 5.953 5.492 57.8 8.7 19.8 2017 12 18 21 18.51 -08 36.3 6.015 5.489 53.6 8.3 19.8 2017 12 23 21 22.12 -08 24.4 6.074 5.486 49.5 7.8 19.8 2017 12 28 21 25.85 -08 11.2 6.130 5.484 45.4 7.3 19.8 2018 01 02 21 29.70 -07 56.8 6.181 5.481 41.3 6.8 19.8 2018 01 07 21 33.65 -07 41.4 6.228 5.479 37.3 6.2 19.9 2018 01 12 21 37.70 -07 24.8 6.271 5.476 33.3 5.7 19.9 2018 01 17 21 41.81 -07 07.3 6.310 5.474 29.4 5.1 19.9 2018 01 22 21 46.00 -06 48.8 6.344 5.472 25.5 4.4 19.9 2018 01 27 21 50.23 -06 29.3 6.373 5.470 21.6 3.8 19.9 2018 02 01 21 54.51 -06 09.1 6.397 5.467 17.9 3.2 19.9 2018 02 06 21 58.81 -05 48.0 6.416 5.465 14.2 2.5 19.9 2018 02 11 22 03.14 -05 26.2 6.430 5.463 10.8 1.9 19.9 2018 02 16 22 07.48 -05 03.8 6.438 5.461 7.9 1.4 19.9 2018 02 21 22 11.81 -04 40.8 6.442 5.460 6.2 1.1 19.9 2018 02 26 22 16.13 -04 17.2 6.440 5.458 6.6 1.2 19.9 2018 03 03 22 20.44 -03 53.2 6.433 5.456 8.9 1.6 19.9 2018 03 08 22 24.71 -03 28.9 6.421 5.455 12.0 2.2 19.9 2018 03 13 22 28.94 -03 04.2 6.404 5.453 15.5 2.8 19.9 2018 03 18 22 33.12 -02 39.3 6.382 5.452 19.1 3.4 19.9 2018 03 23 22 37.25 -02 14.3 6.356 5.450 22.8 4.1 19.9 H = 8.5, 2.5n = 10.0