C/2017 P2 Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 T 2017 Dec. 6.5691 TT MPC q 2.461751 (2000.0) P Q z +0.000565 Peri. 132.2467 +0.5324437 +0.8245195 +/-0.000180 Node 165.5421 -0.8018426 +0.4188146 e 0.998609 Incl. 50.0856 +0.2712048 -0.3804759 From 40 observations 2017 Aug. 14-Sept. 13, mean residual 0".3. C/2017 P2 (PANSTARRS) Elements MPC106347 Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2017 07 26 15 51.08 +39 20.6 2.600 2.854 93.9 20.8 21.1 2017 07 31 15 53.44 +38 14.6 2.601 2.828 92.2 21.0 21.1 2017 08 05 15 56.41 +37 04.7 2.603 2.802 90.5 21.2 21.1 2017 08 10 15 59.97 +35 51.1 2.605 2.777 88.9 21.4 21.0 2017 08 15 16 04.10 +34 34.4 2.609 2.753 87.3 21.6 21.0 2017 08 20 16 08.79 +33 14.9 2.613 2.729 85.7 21.7 20.9 2017 08 25 16 14.01 +31 53.1 2.617 2.707 84.1 21.8 20.9 2017 08 30 16 19.74 +30 29.2 2.623 2.685 82.5 21.9 20.9 2017 09 04 16 25.95 +29 03.8 2.630 2.664 80.9 22.0 20.9 2017 09 09 16 32.62 +27 37.3 2.638 2.644 79.3 22.0 20.8 2017 09 14 16 39.73 +26 09.9 2.647 2.625 77.8 22.0 20.8 2017 09 19 16 47.25 +24 42.1 2.658 2.607 76.2 22.0 20.8 2017 09 24 16 55.16 +23 14.3 2.670 2.589 74.5 21.9 20.8 2017 09 29 17 03.44 +21 46.8 2.683 2.573 72.9 21.8 20.7 2017 10 04 17 12.05 +20 20.1 2.698 2.558 71.2 21.7 20.7 2017 10 09 17 20.98 +18 54.6 2.715 2.544 69.5 21.6 20.7 2017 10 14 17 30.19 +17 30.5 2.734 2.530 67.7 21.4 20.7 2017 10 19 17 39.68 +16 08.3 2.755 2.518 65.9 21.2 20.7 2017 10 24 17 49.41 +14 48.4 2.777 2.507 64.1 20.9 20.7 2017 10 29 17 59.36 +13 31.0 2.801 2.498 62.2 20.6 20.7 2017 11 03 18 09.49 +12 16.6 2.828 2.489 60.2 20.2 20.7 2017 11 08 18 19.79 +11 05.3 2.856 2.482 58.3 19.8 20.7 2017 11 13 18 30.24 +09 57.4 2.885 2.475 56.2 19.4 20.7 2017 11 18 18 40.81 +08 53.1 2.917 2.470 54.1 18.9 20.8 2017 11 23 18 51.47 +07 52.6 2.949 2.466 51.9 18.4 20.8 2017 11 28 19 02.21 +06 56.0 2.983 2.464 49.7 17.8 20.8 2017 12 03 19 12.99 +06 03.4 3.019 2.462 47.5 17.2 20.8 2017 12 08 19 23.80 +05 14.8 3.055 2.462 45.2 16.5 20.8 2017 12 13 19 34.62 +04 30.3 3.092 2.463 42.8 15.8 20.9 2017 12 18 19 45.42 +03 49.8 3.130 2.465 40.5 15.0 20.9 2017 12 23 19 56.20 +03 13.3 3.167 2.468 38.0 14.2 20.9 2017 12 28 20 06.93 +02 40.6 3.205 2.473 35.6 13.4 21.0 2018 01 02 20 17.60 +02 11.6 3.243 2.479 33.1 12.5 21.0 2018 01 07 20 28.18 +01 46.1 3.280 2.486 30.7 11.6 21.0 2018 01 12 20 38.68 +01 24.0 3.317 2.494 28.2 10.7 21.1 2018 01 17 20 49.08 +01 05.2 3.353 2.503 25.7 9.8 21.1 2018 01 22 20 59.37 +00 49.3 3.388 2.514 23.2 8.9 21.2 2018 01 27 21 09.54 +00 36.1 3.421 2.525 20.8 8.0 21.2 2018 02 01 21 19.58 +00 25.5 3.453 2.538 18.5 7.1 21.2 2018 02 06 21 29.48 +00 17.2 3.483 2.551 16.3 6.2 21.3 2018 02 11 21 39.25 +00 10.9 3.511 2.566 14.4 5.5 21.3 2018 02 16 21 48.87 +00 06.4 3.536 2.582 12.8 4.9 21.4 2018 02 21 21 58.35 +00 03.5 3.560 2.599 11.7 4.4 21.4 2018 02 26 22 07.67 +00 01.9 3.581 2.617 11.3 4.2 21.4 2018 03 03 22 16.83 +00 01.4 3.599 2.635 11.6 4.4 21.5 2018 03 08 22 25.84 +00 01.6 3.614 2.655 12.7 4.7 21.5 2018 03 13 22 34.69 +00 02.5 3.627 2.676 14.4 5.3 21.6 2018 03 18 22 43.38 +00 03.8 3.636 2.697 16.5 6.0 21.6 2018 03 23 22 51.90 +00 05.2 3.643 2.719 18.9 6.8 21.7 H = 14.5, 2.5n = 10.0