Ephemeris of 103P/Hartley at 0 hrs UTC (J2000) last astrometry was on 2019 Apr 8 (as at 2022 Oct 19) T 2023 Oct 12.5386 TT q 1.064408 Peri. 181.2936 a 3.475107 Node 219.7488 e 0.693705 Incl. 13.6098 Ref: MPEC 2018-HA5 y m d h m s o ' " delta RSun Elong Phase Mag "/min PA 2023 Aug 1 0 10 31.6 29 22 59 0.717 1.436 110.9 41.3 10.9 2.09 54.6 2023 Aug 2 0 13 41.0 29 52 4 0.706 1.428 110.9 41.6 10.8 2.12 55.0 2023 Aug 3 0 16 55.2 30 21 16 0.695 1.420 110.9 41.9 10.8 2.15 55.4 2023 Aug 4 0 20 14.2 30 50 33 0.684 1.411 110.8 42.2 10.7 2.18 55.9 2023 Aug 5 0 23 38.4 31 19 55 0.674 1.403 110.8 42.5 10.6 2.21 56.4 2023 Aug 6 0 27 7.9 31 49 20 0.664 1.395 110.8 42.8 10.5 2.24 56.9 2023 Aug 7 0 30 43.0 32 18 47 0.653 1.387 110.7 43.2 10.4 2.28 57.4 2023 Aug 8 0 34 24.0 32 48 14 0.643 1.379 110.6 43.5 10.3 2.31 58.0 2023 Aug 9 0 38 11.0 33 17 40 0.634 1.371 110.5 43.8 10.3 2.35 58.6 2023 Aug 10 0 42 4.4 33 47 2 0.624 1.363 110.4 44.2 10.2 2.39 59.2 2023 Aug 11 0 46 4.4 34 16 20 0.614 1.356 110.3 44.5 10.1 2.42 59.8 2023 Aug 12 0 50 11.3 34 45 29 0.605 1.348 110.2 44.9 10.0 2.46 60.5 2023 Aug 13 0 54 25.3 35 14 29 0.596 1.340 110.1 45.3 9.9 2.50 61.2 2023 Aug 14 0 58 46.8 35 43 16 0.587 1.332 109.9 45.6 9.8 2.54 62.0 2023 Aug 15 1 3 16.0 36 11 47 0.578 1.325 109.7 46.0 9.8 2.58 62.8 2023 Aug 16 1 7 53.2 36 40 0 0.569 1.317 109.5 46.4 9.7 2.63 63.6 2023 Aug 17 1 12 38.8 37 7 51 0.560 1.310 109.3 46.9 9.6 2.67 64.4 2023 Aug 18 1 17 33.0 37 35 17 0.552 1.302 109.1 47.3 9.5 2.71 65.3 2023 Aug 19 1 22 36.0 38 2 13 0.544 1.295 108.9 47.7 9.4 2.76 66.2 2023 Aug 20 1 27 48.2 38 28 36 0.536 1.288 108.6 48.1 9.3 2.80 67.2 2023 Aug 21 1 33 9.7 38 54 21 0.528 1.280 108.4 48.6 9.3 2.85 68.2 2023 Aug 22 1 38 41.0 39 19 23 0.520 1.273 108.1 49.0 9.2 2.90 69.2 2023 Aug 23 1 44 22.0 39 43 38 0.513 1.266 107.8 49.5 9.1 2.94 70.3 2023 Aug 24 1 50 13.1 40 7 0 0.505 1.259 107.5 50.0 9.0 2.99 71.4 2023 Aug 25 1 56 14.4 40 29 24 0.498 1.252 107.2 50.5 8.9 3.04 72.6 2023 Aug 26 2 2 26.0 40 50 44 0.491 1.245 106.9 51.0 8.9 3.09 73.8 2023 Aug 27 2 8 48.0 41 10 54 0.485 1.239 106.5 51.5 8.8 3.14 75.0 2023 Aug 28 2 15 20.4 41 29 47 0.478 1.232 106.1 52.0 8.7 3.19 76.2 2023 Aug 29 2 22 3.1 41 47 18 0.472 1.225 105.8 52.5 8.6 3.24 77.5 2023 Aug 30 2 28 56.0 42 3 19 0.466 1.219 105.4 53.0 8.6 3.29 78.9 2023 Aug 31 2 35 58.9 42 17 45 0.460 1.213 105.0 53.6 8.5 3.34 80.3 2023 Sep 1 2 43 11.6 42 30 28 0.454 1.206 104.5 54.1 8.4 3.39 81.7 2023 Sep 2 2 50 33.6 42 41 21 0.448 1.200 104.1 54.6 8.3 3.44 83.1 2023 Sep 3 2 58 4.6 42 50 18 0.443 1.194 103.7 55.2 8.3 3.49 84.6 2023 Sep 4 3 5 43.9 42 57 12 0.438 1.188 103.2 55.7 8.2 3.54 86.1 2023 Sep 5 3 13 30.9 43 1 57 0.433 1.182 102.8 56.3 8.1 3.59 87.6 2023 Sep 6 3 21 24.9 43 4 27 0.428 1.176 102.3 56.9 8.1 3.63 89.1 2023 Sep 7 3 29 25.1 43 4 36 0.424 1.171 101.8 57.4 8.0 3.68 90.7 2023 Sep 8 3 37 30.6 43 2 19 0.420 1.165 101.3 58.0 7.9 3.72 92.3 2023 Sep 9 3 45 40.5 42 57 33 0.416 1.160 100.8 58.6 7.9 3.76 93.8 2023 Sep 10 3 53 53.6 42 50 13 0.412 1.155 100.3 59.1 7.8 3.79 95.4 2023 Sep 11 4 2 9.0 42 40 17 0.408 1.149 99.8 59.7 7.8 3.83 97.0 2023 Sep 12 4 10 25.6 42 27 43 0.405 1.144 99.3 60.2 7.7 3.86 98.6 2023 Sep 13 4 18 42.2 42 12 29 0.402 1.139 98.8 60.8 7.7 3.89 100.2 2023 Sep 14 4 26 57.8 41 54 35 0.399 1.135 98.3 61.3 7.6 3.92 101.8 2023 Sep 15 4 35 11.2 41 34 3 0.396 1.130 97.8 61.9 7.6 3.94 103.4 2023 Sep 16 4 43 21.4 41 10 55 0.394 1.126 97.3 62.4 7.5 3.96 104.9 2023 Sep 17 4 51 27.3 40 45 12 0.392 1.121 96.8 62.9 7.5 3.98 106.4 2023 Sep 18 4 59 28.0 40 17 0 0.390 1.117 96.3 63.4 7.4 3.99 107.9 2023 Sep 19 5 7 22.6 39 46 21 0.388 1.113 95.8 63.9 7.4 4.00 109.4 2023 Sep 20 5 15 10.3 39 13 23 0.387 1.109 95.3 64.4 7.3 4.00 110.8 2023 Sep 21 5 22 50.3 38 38 10 0.385 1.105 94.8 64.9 7.3 4.01 112.2 2023 Sep 22 5 30 22.0 38 0 51 0.384 1.102 94.3 65.3 7.3 4.00 113.5 2023 Sep 23 5 37 44.8 37 21 31 0.384 1.098 93.8 65.8 7.2 4.00 114.8 2023 Sep 24 5 44 58.3 36 40 19 0.383 1.095 93.4 66.2 7.2 3.99 116.1 2023 Sep 25 5 52 2.0 35 57 24 0.383 1.092 92.9 66.6 7.2 3.97 117.3 2023 Sep 26 5 58 55.8 35 12 52 0.382 1.089 92.5 67.0 7.2 3.96 118.5 2023 Sep 27 6 5 39.3 34 26 54 0.383 1.086 92.1 67.3 7.1 3.94 119.6 2023 Sep 28 6 12 12.5 33 39 37 0.383 1.083 91.7 67.6 7.1 3.91 120.7 2023 Sep 29 6 18 35.2 32 51 9 0.383 1.081 91.3 67.9 7.1 3.88 121.7 2023 Sep 30 6 24 47.4 32 1 41 0.384 1.079 90.9 68.2 7.1 3.85 122.7 2023 Oct 1 6 30 49.2 31 11 18 0.385 1.076 90.6 68.5 7.1 3.82 123.7 2023 Oct 2 6 36 40.5 30 20 11 0.386 1.074 90.3 68.7 7.1 3.78 124.6 2023 Oct 3 6 42 21.6 29 28 26 0.387 1.073 89.9 68.9 7.0 3.74 125.4 2023 Oct 4 6 47 52.5 28 36 10 0.388 1.071 89.6 69.1 7.0 3.70 126.3 2023 Oct 5 6 53 13.4 27 43 32 0.390 1.070 89.4 69.3 7.0 3.65 127.1 2023 Oct 6 6 58 24.6 26 50 37 0.391 1.068 89.1 69.4 7.0 3.60 127.8 2023 Oct 7 7 3 26.1 25 57 32 0.393 1.067 88.9 69.5 7.0 3.55 128.5 2023 Oct 8 7 8 18.3 25 4 23 0.395 1.066 88.7 69.6 7.0 3.50 129.2 2023 Oct 9 7 13 1.3 24 11 16 0.397 1.066 88.5 69.6 7.0 3.45 129.9 2023 Oct 10 7 17 35.4 23 18 15 0.399 1.065 88.3 69.6 7.1 3.39 130.5 2023 Oct 11 7 22 1.0 22 25 25 0.402 1.065 88.2 69.6 7.1 3.34 131.1 2023 Oct 12 7 26 18.1 21 32 50 0.404 1.064 88.1 69.6 7.1 3.28 131.7 2023 Oct 13 7 30 27.1 20 40 35 0.407 1.064 88.0 69.6 7.1 3.23 132.3 2023 Oct 14 7 34 28.2 19 48 43 0.410 1.065 87.9 69.5 7.1 3.17 132.8 2023 Oct 15 7 38 21.6 18 57 17 0.412 1.065 87.9 69.4 7.1 3.11 133.3 2023 Oct 16 7 42 7.7 18 6 20 0.415 1.065 87.8 69.3 7.1 3.05 133.8 2023 Oct 17 7 45 46.5 17 15 55 0.418 1.066 87.8 69.1 7.2 2.99 134.3 2023 Oct 18 7 49 18.5 16 26 3 0.421 1.067 87.8 68.9 7.2 2.93 134.8 2023 Oct 19 7 52 43.7 15 36 47 0.424 1.068 87.9 68.8 7.2 2.87 135.2 2023 Oct 20 7 56 2.4 14 48 8 0.428 1.069 87.9 68.5 7.2 2.82 135.6 2023 Oct 21 7 59 14.9 14 0 8 0.431 1.071 88.0 68.3 7.3 2.76 136.1 2023 Oct 22 8 2 21.2 13 12 47 0.434 1.072 88.1 68.1 7.3 2.70 136.5 2023 Oct 23 8 5 21.7 12 26 8 0.437 1.074 88.2 67.8 7.3 2.64 136.9 2023 Oct 24 8 8 16.4 11 40 10 0.441 1.076 88.3 67.5 7.4 2.59 137.3 2023 Oct 25 8 11 5.6 10 54 55 0.444 1.078 88.5 67.2 7.4 2.53 137.7 2023 Oct 26 8 13 49.5 10 10 22 0.448 1.081 88.6 66.9 7.4 2.47 138.1 2023 Oct 27 8 16 28.1 9 26 32 0.451 1.083 88.8 66.6 7.5 2.42 138.5 2023 Oct 28 8 19 1.6 8 43 25 0.455 1.086 89.0 66.2 7.5 2.36 138.9 2023 Oct 29 8 21 30.2 8 1 1 0.458 1.089 89.2 65.9 7.5 2.31 139.3 2023 Oct 30 8 23 54.0 7 19 20 0.462 1.092 89.5 65.5 7.6 2.26 139.7 2023 Oct 31 8 26 13.0 6 38 23 0.465 1.095 89.7 65.1 7.6 2.21 140.1 2023 Nov 1 8 28 27.4 5 58 8 0.469 1.098 90.0 64.7 7.7 2.15 140.5 2023 Nov 2 8 30 37.3 5 18 35 0.472 1.101 90.3 64.3 7.7 2.10 141.0 2023 Nov 3 8 32 42.8 4 39 45 0.476 1.105 90.6 63.9 7.8 2.05 141.4 2023 Nov 4 8 34 43.8 4 1 37 0.480 1.109 90.9 63.5 7.8 2.00 141.9 2023 Nov 5 8 36 40.6 3 24 10 0.483 1.113 91.3 63.0 7.8 1.95 142.4 2023 Nov 6 8 38 33.1 2 47 25 0.487 1.117 91.6 62.6 7.9 1.90 142.9 2023 Nov 7 8 40 21.4 2 11 22 0.490 1.121 92.0 62.1 7.9 1.85 143.4 2023 Nov 8 8 42 5.6 1 35 58 0.494 1.125 92.4 61.6 8.0 1.81 143.9 2023 Nov 9 8 43 45.8 1 1 16 0.497 1.130 92.8 61.2 8.0 1.76 144.5 2023 Nov 10 8 45 21.9 0 27 13 0.501 1.134 93.2 60.7 8.1 1.71 145.1 2023 Nov 11 8 46 54.0 - 0 6 10 0.504 1.139 93.6 60.2 8.1 1.67 145.7 2023 Nov 12 8 48 22.2 - 0 38 53 0.507 1.144 94.1 59.7 8.2 1.62 146.4 2023 Nov 13 8 49 46.5 - 1 10 58 0.511 1.149 94.5 59.2 8.2 1.58 147.1 2023 Nov 14 8 51 6.9 - 1 42 23 0.514 1.154 95.0 58.7 8.3 1.53 147.8 2023 Nov 15 8 52 23.4 - 2 13 10 0.517 1.159 95.5 58.2 8.4 1.49 148.5 2023 Nov 16 8 53 36.2 - 2 43 19 0.521 1.165 96.0 57.6 8.4 1.44 149.3 2023 Nov 17 8 54 45.2 - 3 12 50 0.524 1.170 96.5 57.1 8.5 1.40 150.2 2023 Nov 18 8 55 50.4 - 3 41 43 0.527 1.176 97.0 56.6 8.5 1.36 151.0 2023 Nov 19 8 56 51.9 - 4 9 58 0.530 1.182 97.6 56.0 8.6 1.32 152.0 2023 Nov 20 8 57 49.7 - 4 37 36 0.533 1.188 98.1 55.5 8.6 1.28 153.0 2023 Nov 21 8 58 43.9 - 5 4 37 0.537 1.194 98.7 54.9 8.7 1.24 154.0 2023 Nov 22 8 59 34.5 - 5 31 2 0.540 1.200 99.3 54.4 8.7 1.20 155.1 2023 Nov 23 9 0 21.4 - 5 56 50 0.543 1.206 99.9 53.8 8.8 1.16 156.2 2023 Nov 24 9 1 4.8 - 6 22 1 0.546 1.212 100.5 53.2 8.9 1.12 157.5 2023 Nov 25 9 1 44.5 - 6 46 37 0.549 1.218 101.1 52.7 8.9 1.09 158.8 2023 Nov 26 9 2 20.8 - 7 10 36 0.552 1.225 101.7 52.1 9.0 1.05 160.2 2023 Nov 27 9 2 53.4 - 7 34 0 0.555 1.231 102.4 51.5 9.0 1.01 161.7 2023 Nov 28 9 3 22.6 - 7 56 47 0.557 1.238 103.1 50.9 9.1 0.98 163.2 2023 Nov 29 9 3 48.2 - 8 18 59 0.560 1.245 103.7 50.3 9.1 0.94 164.9 2023 Nov 30 9 4 10.3 - 8 40 36 0.563 1.252 104.4 49.8 9.2 0.91 166.7 2023 Dec 1 9 4 28.9 - 9 1 36 0.566 1.259 105.1 49.2 9.3 0.88 168.7 2023 Dec 2 9 4 44.0 - 9 22 0 0.569 1.266 105.8 48.6 9.3 0.85 170.7 2023 Dec 3 9 4 55.5 - 9 41 48 0.572 1.273 106.5 48.0 9.4 0.82 172.9 2023 Dec 4 9 5 3.6 -10 1 0 0.574 1.280 107.3 47.4 9.4 0.79 175.3 2023 Dec 5 9 5 8.3 -10 19 36 0.577 1.287 108.0 46.7 9.5 0.76 177.8 2023 Dec 6 9 5 9.4 -10 37 35 0.580 1.294 108.8 46.1 9.6 0.74 180.5 2023 Dec 7 9 5 7.1 -10 54 56 0.583 1.302 109.5 45.5 9.6 0.71 183.3 2023 Dec 8 9 5 1.4 -11 11 41 0.585 1.309 110.3 44.9 9.7 0.69 186.3 2023 Dec 9 9 4 52.3 -11 27 48 0.588 1.317 111.1 44.3 9.7 0.67 189.5 2023 Dec 10 9 4 39.8 -11 43 17 0.591 1.324 111.9 43.6 9.8 0.65 192.9 2023 Dec 11 9 4 24.0 -11 58 8 0.593 1.332 112.7 43.0 9.9 0.63 196.4 2023 Dec 12 9 4 4.9 -12 12 20 0.596 1.339 113.5 42.4 9.9 0.62 200.1 2023 Dec 13 9 3 42.6 -12 25 54 0.599 1.347 114.4 41.7 10.0 0.60 203.9 2023 Dec 14 9 3 17.0 -12 38 48 0.602 1.355 115.2 41.1 10.0 0.59 207.8 2023 Dec 15 9 2 48.3 -12 51 2 0.604 1.363 116.1 40.5 10.1 0.58 211.8 2023 Dec 16 9 2 16.5 -13 2 37 0.607 1.371 116.9 39.8 10.2 0.58 215.8 2023 Dec 17 9 1 41.7 -13 13 31 0.610 1.379 117.8 39.2 10.2 0.57 219.9 2023 Dec 18 9 1 3.9 -13 23 45 0.613 1.387 118.7 38.5 10.3 0.57 224.0 2023 Dec 19 9 0 23.3 -13 33 18 0.616 1.395 119.5 37.9 10.3 0.57 228.0 2023 Dec 20 8 59 39.9 -13 42 10 0.619 1.403 120.4 37.2 10.4 0.58 231.9 2023 Dec 21 8 58 53.8 -13 50 22 0.622 1.411 121.3 36.6 10.5 0.58 235.7 2023 Dec 22 8 58 5.0 -13 57 52 0.625 1.419 122.2 35.9 10.5 0.59 239.5 2023 Dec 23 8 57 13.8 -14 4 40 0.628 1.427 123.1 35.3 10.6 0.59 243.1 2023 Dec 24 8 56 20.1 -14 10 48 0.631 1.435 124.0 34.6 10.6 0.60 246.5 2023 Dec 25 8 55 24.0 -14 16 14 0.634 1.444 125.0 33.9 10.7 0.61 249.9 2023 Dec 26 8 54 25.7 -14 20 58 0.637 1.452 125.9 33.3 10.8 0.63 253.0 2023 Dec 27 8 53 25.3 -14 25 1 0.641 1.460 126.8 32.6 10.8 0.64 256.0 2023 Dec 28 8 52 22.8 -14 28 22 0.644 1.469 127.7 32.0 10.9 0.65 258.9 2023 Dec 29 8 51 18.4 -14 31 2 0.648 1.477 128.6 31.3 10.9 0.67 261.7 2023 Dec 30 8 50 12.2 -14 33 0 0.651 1.486 129.5 30.7 11.0 0.68 264.3 2023 Dec 31 8 49 4.2 -14 34 17 0.655 1.494 130.5 30.0 11.1 0.69 266.8 2024 Jan 1 8 47 54.7 -14 34 53 0.659 1.503 131.4 29.4 11.1 0.71 269.2