P/2017 R1 Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 T 2017 Apr. 7.8242 TT MPC q 3.326516 (2000.0) P Q n 0.1173184 Peri. 178.3064 +0.7875239 +0.6157095 a 4.132619 Node 143.6467 -0.5659560 +0.7396249 e 0.195059 Incl. 2.5726 -0.2439261 +0.2717659 P 8.40 From 59 observations 2017 July 30-Sept. 28, mean residual 0".4. P/2017 R1 (PANSTARRS) Elements MPC106347 Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2017 07 26 23 43.22 -02 53.7 2.635 3.357 128.0 13.8 20.4 2017 07 31 23 42.82 -03 00.8 2.586 3.360 132.9 12.8 20.3 2017 08 05 23 41.97 -03 10.7 2.541 3.363 137.9 11.7 20.3 2017 08 10 23 40.70 -03 23.4 2.500 3.366 143.1 10.4 20.3 2017 08 15 23 39.03 -03 38.7 2.465 3.369 148.4 9.1 20.2 2017 08 20 23 36.98 -03 56.2 2.435 3.373 153.7 7.6 20.2 2017 08 25 23 34.61 -04 15.7 2.412 3.376 159.2 6.1 20.2 2017 08 30 23 31.97 -04 36.7 2.395 3.380 164.8 4.5 20.2 2017 09 04 23 29.14 -04 58.7 2.385 3.383 170.4 2.9 20.2 2017 09 09 23 26.17 -05 21.2 2.382 3.387 175.8 1.2 20.2 2017 09 14 23 23.15 -05 43.6 2.386 3.391 177.5 0.7 20.2 2017 09 19 23 20.15 -06 05.5 2.397 3.395 172.3 2.3 20.2 2017 09 24 23 17.26 -06 26.2 2.415 3.399 166.7 3.9 20.2 2017 09 29 23 14.56 -06 45.3 2.440 3.403 161.0 5.5 20.3 2017 10 04 23 12.11 -07 02.4 2.472 3.407 155.5 7.0 20.3 2017 10 09 23 09.97 -07 17.2 2.510 3.412 150.0 8.4 20.3 2017 10 14 23 08.19 -07 29.3 2.555 3.416 144.5 9.8 20.4 2017 10 19 23 06.81 -07 38.6 2.604 3.421 139.2 11.0 20.4 2017 10 24 23 05.86 -07 44.9 2.659 3.426 134.0 12.1 20.5 2017 10 29 23 05.36 -07 48.3 2.719 3.431 128.9 13.0 20.5 2017 11 03 23 05.31 -07 48.5 2.783 3.436 123.9 13.9 20.6 2017 11 08 23 05.71 -07 45.8 2.850 3.441 119.0 14.6 20.6 2017 11 13 23 06.56 -07 40.2 2.920 3.446 114.2 15.2 20.7 2017 11 18 23 07.84 -07 31.7 2.993 3.451 109.5 15.7 20.8 2017 11 23 23 09.54 -07 20.5 3.068 3.456 104.9 16.0 20.8 2017 11 28 23 11.65 -07 06.7 3.145 3.462 100.4 16.3 20.9 2017 12 03 23 14.13 -06 50.5 3.222 3.467 96.0 16.4 20.9 2017 12 08 23 16.96 -06 31.9 3.301 3.473 91.7 16.5 21.0 2017 12 13 23 20.13 -06 11.2 3.380 3.479 87.5 16.4 21.1 2017 12 18 23 23.60 -05 48.5 3.458 3.484 83.4 16.3 21.1 2017 12 23 23 27.36 -05 23.9 3.536 3.490 79.3 16.1 21.2 2017 12 28 23 31.39 -04 57.5 3.614 3.496 75.3 15.8 21.2 2018 01 02 23 35.66 -04 29.5 3.690 3.502 71.4 15.4 21.3 2018 01 07 23 40.14 -04 00.1 3.765 3.508 67.5 15.0 21.3 2018 01 12 23 44.83 -03 29.3 3.838 3.514 63.7 14.5 21.4 2018 01 17 23 49.71 -02 57.3 3.909 3.521 59.9 14.0 21.4 2018 01 22 23 54.76 -02 24.3 3.978 3.527 56.2 13.4 21.5 2018 01 27 23 59.95 -01 50.2 4.045 3.533 52.5 12.8 21.5 2018 02 01 00 05.29 -01 15.3 4.109 3.540 48.9 12.1 21.6 2018 02 06 00 10.75 -00 39.7 4.170 3.547 45.3 11.4 21.6 2018 02 11 00 16.32 -00 03.5 4.228 3.553 41.8 10.7 21.6 2018 02 16 00 21.99 +00 33.3 4.282 3.560 38.3 9.9 21.7 2018 02 21 00 27.75 +01 10.5 4.334 3.567 34.8 9.1 21.7 2018 02 26 00 33.59 +01 47.9 4.381 3.574 31.4 8.3 21.7 2018 03 03 00 39.50 +02 25.5 4.426 3.580 28.0 7.5 21.8 2018 03 08 00 45.46 +03 03.3 4.466 3.587 24.6 6.6 21.8 2018 03 13 00 51.48 +03 41.0 4.503 3.594 21.2 5.7 21.8 2018 03 18 00 57.55 +04 18.6 4.536 3.602 17.9 4.9 21.8 2018 03 23 01 03.65 +04 56.1 4.564 3.609 14.6 4.0 21.9 H = 13.0, 2.5n = 10.0