International Comet Quarterly | Central Bureau for Astronomical Telegrams |
Discovered as an apparently asteroidal object discovered in the course of the LONEOS survey on CCD images taken on 2006 Aug. 29; it was found (after posting on the Minor Planet Center's NEOCP webpage) to show cometary appearance by other CCD astrometrists, and it was given the designation P/2006 Q2 (LONEOS) when announced on by the International Astronomical Union's Central Bureau for Astronomical Telegrams on IAU Circular No. 8743.
The 2012 recovery was announced by the Central Bureau for Astronomical Telegrams on CBET 3219.
P/2012 R1 (LONEOS) orbital elements by G. V. Williams Epoch 2012 Aug. 21.0 TT = JDT 2456160.5 T 2012 Aug. 22.7902 TT q 1.336152 (2000.0) P Q n 0.1654060 Peri. 97.1937 +0.9482165 +0.3060724 a 3.286764 Node 245.0136 -0.3156264 +0.8780490 e 0.593475 Incl. 5.3735 -0.0355734 +0.3678990 P 5.96 From 153 observations 2006 Aug. 29-2012 Sept. 12, mean residual 0".5.
P/2012 R1 (LONEOS) from orbital elements on MPEC 2012-R28 Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag. 2012 06 22 22 07.38 -02 23.2 0.738 1.506 117.5 36.8 20.6 2012 06 23 22 09.65 -02 00.5 0.729 1.501 117.8 36.8 20.6 2012 06 24 22 11.91 -01 37.6 0.720 1.496 118.0 36.8 20.5 2012 06 25 22 14.18 -01 14.4 0.711 1.492 118.3 36.9 20.5 2012 06 26 22 16.45 -00 51.1 0.703 1.487 118.5 36.9 20.5 2012 06 27 22 18.73 -00 27.6 0.695 1.482 118.8 37.0 20.4 2012 06 28 22 21.01 -00 03.8 0.686 1.477 119.0 37.0 20.4 2012 06 29 22 23.30 +00 20.1 0.678 1.473 119.3 37.0 20.3 2012 06 30 22 25.58 +00 44.1 0.670 1.468 119.5 37.1 20.3 2012 07 01 22 27.88 +01 08.4 0.663 1.463 119.8 37.1 20.3 2012 07 02 22 30.17 +01 32.8 0.655 1.459 120.0 37.1 20.2 2012 07 03 22 32.48 +01 57.4 0.648 1.455 120.2 37.1 20.2 2012 07 04 22 34.78 +02 22.1 0.640 1.450 120.5 37.2 20.1 2012 07 05 22 37.09 +02 47.0 0.633 1.446 120.7 37.2 20.1 2012 07 06 22 39.40 +03 12.0 0.626 1.442 120.9 37.2 20.1 2012 07 07 22 41.72 +03 37.1 0.619 1.438 121.1 37.2 20.0 2012 07 08 22 44.04 +04 02.4 0.612 1.434 121.4 37.3 20.0 2012 07 09 22 46.36 +04 27.7 0.605 1.430 121.6 37.3 20.0 2012 07 10 22 48.68 +04 53.2 0.598 1.426 121.8 37.3 19.9 2012 07 11 22 51.01 +05 18.7 0.592 1.422 122.0 37.3 19.9 2012 07 12 22 53.34 +05 44.3 0.586 1.418 122.2 37.3 19.9 2012 07 13 22 55.66 +06 10.0 0.579 1.414 122.4 37.4 19.8 2012 07 14 22 57.99 +06 35.7 0.573 1.411 122.6 37.4 19.8 2012 07 15 23 00.33 +07 01.4 0.567 1.407 122.8 37.4 19.8 2012 07 16 23 02.66 +07 27.2 0.561 1.404 123.0 37.4 19.7 2012 07 17 23 04.99 +07 53.0 0.556 1.400 123.2 37.4 19.7 2012 07 18 23 07.32 +08 18.7 0.550 1.397 123.4 37.4 19.7 2012 07 19 23 09.65 +08 44.5 0.545 1.394 123.6 37.4 19.6 2012 07 20 23 11.98 +09 10.2 0.539 1.391 123.8 37.4 19.6 2012 07 21 23 14.30 +09 35.8 0.534 1.387 124.1 37.4 19.6 2012 07 22 23 16.63 +10 01.4 0.529 1.384 124.3 37.3 19.5 2012 07 23 23 18.95 +10 26.9 0.524 1.382 124.5 37.3 19.5 2012 07 24 23 21.27 +10 52.3 0.519 1.379 124.7 37.3 19.5 2012 07 25 23 23.58 +11 17.6 0.514 1.376 124.9 37.3 19.4 2012 07 26 23 25.89 +11 42.7 0.510 1.373 125.1 37.2 19.4 2012 07 27 23 28.20 +12 07.8 0.505 1.371 125.3 37.2 19.4 2012 07 28 23 30.50 +12 32.6 0.501 1.368 125.5 37.2 19.4 2012 07 29 23 32.80 +12 57.3 0.496 1.366 125.7 37.1 19.3 2012 07 30 23 35.09 +13 21.7 0.492 1.364 125.9 37.1 19.3 2012 07 31 23 37.38 +13 46.0 0.488 1.361 126.2 37.0 19.3 2012 08 01 23 39.66 +14 10.0 0.484 1.359 126.4 37.0 19.3 2012 08 02 23 41.92 +14 33.8 0.480 1.357 126.6 36.9 19.2 2012 08 03 23 44.18 +14 57.3 0.477 1.355 126.8 36.8 19.2 2012 08 04 23 46.43 +15 20.5 0.473 1.353 127.1 36.7 19.2 2012 08 05 23 48.67 +15 43.4 0.469 1.352 127.3 36.6 19.2 2012 08 06 23 50.90 +16 06.0 0.466 1.350 127.6 36.6 19.1 2012 08 07 23 53.11 +16 28.3 0.463 1.348 127.8 36.5 19.1 2012 08 08 23 55.31 +16 50.2 0.460 1.347 128.1 36.3 19.1 2012 08 09 23 57.49 +17 11.7 0.456 1.345 128.3 36.2 19.1 2012 08 10 23 59.65 +17 32.8 0.453 1.344 128.6 36.1 19.1 2012 08 11 00 01.80 +17 53.5 0.451 1.343 128.9 36.0 19.0 2012 08 12 00 03.93 +18 13.8 0.448 1.342 129.2 35.8 19.0 2012 08 13 00 06.04 +18 33.7 0.445 1.341 129.5 35.7 19.0 2012 08 14 00 08.12 +18 53.0 0.442 1.340 129.8 35.5 19.0 2012 08 15 00 10.19 +19 11.9 0.440 1.339 130.1 35.3 19.0 2012 08 16 00 12.23 +19 30.3 0.437 1.338 130.4 35.2 19.0 2012 08 17 00 14.24 +19 48.2 0.435 1.338 130.8 35.0 19.0 2012 08 18 00 16.23 +20 05.5 0.433 1.337 131.1 34.8 18.9 2012 08 19 00 18.19 +20 22.3 0.431 1.337 131.5 34.6 18.9 2012 08 20 00 20.13 +20 38.6 0.429 1.337 131.8 34.3 18.9 2012 08 21 00 22.03 +20 54.3 0.427 1.336 132.2 34.1 18.9 2012 08 22 00 23.91 +21 09.4 0.425 1.336 132.6 33.9 18.9 2012 08 23 00 25.75 +21 23.9 0.423 1.336 133.0 33.6 18.9 2012 08 24 00 27.57 +21 37.8 0.422 1.336 133.4 33.3 18.9 2012 08 25 00 29.35 +21 51.2 0.420 1.336 133.8 33.1 18.9 2012 08 26 00 31.10 +22 03.8 0.418 1.337 134.3 32.8 18.9 2012 08 27 00 32.81 +22 15.9 0.417 1.337 134.7 32.5 18.9 2012 08 28 00 34.49 +22 27.4 0.416 1.337 135.2 32.2 18.9 2012 08 29 00 36.14 +22 38.2 0.415 1.338 135.7 31.8 18.9 2012 08 30 00 37.75 +22 48.3 0.413 1.339 136.1 31.5 18.8 2012 08 31 00 39.32 +22 57.8 0.412 1.339 136.6 31.2 18.8 2012 09 01 00 40.85 +23 06.6 0.411 1.340 137.2 30.8 18.8 2012 09 02 00 42.34 +23 14.8 0.411 1.341 137.7 30.4 18.8 2012 09 03 00 43.79 +23 22.3 0.410 1.342 138.2 30.0 18.8 2012 09 04 00 45.21 +23 29.1 0.409 1.343 138.8 29.6 18.8 2012 09 05 00 46.58 +23 35.3 0.408 1.345 139.4 29.2 18.8 2012 09 06 00 47.90 +23 40.8 0.408 1.346 139.9 28.8 18.8 2012 09 07 00 49.19 +23 45.6 0.407 1.347 140.5 28.4 18.8 2012 09 08 00 50.43 +23 49.7 0.407 1.349 141.2 27.9 18.8 2012 09 09 00 51.63 +23 53.1 0.407 1.351 141.8 27.5 18.9 2012 09 10 00 52.79 +23 55.9 0.407 1.352 142.4 27.0 18.9 2012 09 11 00 53.90 +23 57.9 0.407 1.354 143.1 26.5 18.9 2012 09 12 00 54.97 +23 59.3 0.407 1.356 143.8 26.0 18.9 2012 09 13 00 55.99 +24 00.1 0.407 1.358 144.4 25.5 18.9 2012 09 14 00 56.98 +24 00.1 0.407 1.360 145.1 25.0 18.9 2012 09 15 00 57.92 +23 59.5 0.408 1.362 145.8 24.5 18.9 2012 09 16 00 58.81 +23 58.3 0.408 1.364 146.6 23.9 18.9 2012 09 17 00 59.67 +23 56.4 0.409 1.367 147.3 23.4 18.9 2012 09 18 01 00.49 +23 53.8 0.409 1.369 148.1 22.8 18.9 2012 09 19 01 01.26 +23 50.7 0.410 1.372 148.8 22.3 18.9 2012 09 20 01 02.00 +23 46.9 0.411 1.374 149.6 21.7 18.9 2012 09 21 01 02.70 +23 42.6 0.412 1.377 150.4 21.1 19.0 2012 09 22 01 03.37 +23 37.6 0.413 1.380 151.2 20.5 19.0 2012 09 23 01 04.00 +23 32.1 0.414 1.383 152.0 19.9 19.0 2012 09 24 01 04.59 +23 26.1 0.416 1.386 152.8 19.3 19.0 2012 09 25 01 05.16 +23 19.5 0.417 1.389 153.6 18.7 19.0 2012 09 26 01 05.69 +23 12.4 0.419 1.392 154.4 18.1 19.0 2012 09 27 01 06.20 +23 04.8 0.420 1.395 155.2 17.5 19.1 2012 09 28 01 06.67 +22 56.8 0.422 1.398 156.1 16.9 19.1 2012 09 29 01 07.12 +22 48.3 0.424 1.402 156.9 16.3 19.1 2012 09 30 01 07.54 +22 39.3 0.426 1.405 157.7 15.7 19.1 2012 10 01 01 07.94 +22 29.9 0.428 1.409 158.6 15.1 19.1 2012 10 02 01 08.31 +22 20.2 0.431 1.412 159.4 14.4 19.2 2012 10 03 01 08.66 +22 10.1 0.433 1.416 160.2 13.8 19.2 2012 10 04 01 08.99 +21 59.6 0.436 1.420 161.0 13.2 19.2 2012 10 05 01 09.30 +21 48.8 0.439 1.423 161.9 12.6 19.2 2012 10 06 01 09.60 +21 37.7 0.442 1.427 162.7 12.0 19.3 2012 10 07 01 09.88 +21 26.3 0.445 1.431 163.4 11.5 19.3 2012 10 08 01 10.15 +21 14.7 0.448 1.435 164.2 10.9 19.3 2012 10 09 01 10.40 +21 02.8 0.451 1.439 164.9 10.4 19.4 2012 10 10 01 10.64 +20 50.8 0.455 1.444 165.7 9.9 19.4 2012 10 11 01 10.87 +20 38.5 0.458 1.448 166.3 9.4 19.4 2012 10 12 01 11.10 +20 26.1 0.462 1.452 167.0 8.9 19.4 2012 10 13 01 11.32 +20 13.6 0.466 1.456 167.5 8.5 19.5 2012 10 14 01 11.54 +20 00.9 0.470 1.461 168.1 8.1 19.5 2012 10 15 01 11.75 +19 48.2 0.475 1.465 168.5 7.8 19.5 2012 10 16 01 11.97 +19 35.4 0.479 1.470 168.9 7.5 19.6 2012 10 17 01 12.18 +19 22.6 0.484 1.474 169.2 7.3 19.6 2012 10 18 01 12.40 +19 09.8 0.489 1.479 169.3 7.2 19.6 2012 10 19 01 12.62 +18 57.0 0.493 1.484 169.4 7.1 19.7 2012 10 20 01 12.85 +18 44.2 0.499 1.489 169.4 7.1 19.7 2012 10 21 01 13.08 +18 31.5 0.504 1.494 169.3 7.1 19.8 2012 10 22 01 13.33 +18 18.9 0.509 1.498 169.1 7.2 19.8 2012 10 23 01 13.58 +18 06.4 0.515 1.503 168.8 7.4 19.8 2012 10 24 01 13.84 +17 54.0 0.521 1.508 168.4 7.6 19.9 2012 10 25 01 14.12 +17 41.7 0.527 1.513 167.9 7.9 19.9 2012 10 26 01 14.40 +17 29.6 0.533 1.519 167.4 8.2 19.9 2012 10 27 01 14.70 +17 17.6 0.539 1.524 166.8 8.6 20.0 2012 10 28 01 15.01 +17 05.9 0.546 1.529 166.1 9.0 20.0 2012 10 29 01 15.34 +16 54.3 0.552 1.534 165.4 9.4 20.1 2012 10 30 01 15.67 +16 43.0 0.559 1.540 164.7 9.8 20.1 2012 10 31 01 16.03 +16 31.8 0.566 1.545 164.0 10.2 20.2 2012 11 01 01 16.40 +16 20.9 0.573 1.550 163.2 10.7 20.2 2012 11 02 01 16.78 +16 10.3 0.581 1.556 162.4 11.1 20.2 2012 11 03 01 17.19 +15 59.9 0.588 1.561 161.6 11.6 20.3 2012 11 04 01 17.61 +15 49.7 0.596 1.567 160.8 12.0 20.3 2012 11 05 01 18.04 +15 39.8 0.604 1.572 159.9 12.5 20.4 2012 11 06 01 18.50 +15 30.2 0.612 1.578 159.1 12.9 20.4 2012 11 07 01 18.97 +15 20.9 0.620 1.584 158.2 13.4 20.5 2012 11 08 01 19.46 +15 11.8 0.629 1.590 157.4 13.9 20.5 2012 11 09 01 19.96 +15 03.1 0.637 1.595 156.5 14.3 20.5 2012 11 10 01 20.49 +14 54.6 0.646 1.601 155.7 14.8 20.6 2012 11 11 01 21.04 +14 46.5 0.655 1.607 154.8 15.2 20.6 2012 11 12 01 21.60 +14 38.6 0.664 1.613 153.9 15.6 20.7 2012 11 13 01 22.18 +14 31.0 0.673 1.619 153.1 16.1 20.7 2012 11 14 01 22.79 +14 23.8 0.683 1.625 152.2 16.5 20.8 2012 11 15 01 23.41 +14 16.8 0.692 1.631 151.3 16.9 20.8 2012 11 16 01 24.05 +14 10.2 0.702 1.637 150.5 17.3 20.9 2012 11 17 01 24.71 +14 03.8 0.712 1.643 149.6 17.7 20.9 2012 11 18 01 25.39 +13 57.8 0.722 1.649 148.7 18.1 21.0 2012 11 19 01 26.10 +13 52.1 0.732 1.655 147.9 18.5 21.0 2012 11 20 01 26.82 +13 46.6 0.743 1.661 147.0 18.9 21.1 2012 11 21 01 27.56 +13 41.5 0.753 1.667 146.2 19.3 21.1 2012 11 22 01 28.31 +13 36.7 0.764 1.673 145.3 19.6 21.2 2012 11 23 01 29.09 +13 32.1 0.775 1.680 144.5 20.0 21.2 2012 11 24 01 29.89 +13 27.9 0.786 1.686 143.7 20.3 21.2 2012 11 25 01 30.70 +13 23.9 0.797 1.692 142.8 20.6 21.3 2012 11 26 01 31.53 +13 20.2 0.808 1.698 142.0 21.0 21.3 2012 11 27 01 32.38 +13 16.8 0.820 1.705 141.2 21.3 21.4 2012 11 28 01 33.25 +13 13.7 0.832 1.711 140.3 21.6 21.4 2012 11 29 01 34.14 +13 10.8 0.843 1.718 139.5 21.9 21.5 2012 11 30 01 35.04 +13 08.2 0.855 1.724 138.7 22.2 21.5 2012 12 01 01 35.95 +13 05.9 0.868 1.730 137.9 22.5 21.6 2012 12 02 01 36.89 +13 03.8 0.880 1.737 137.1 22.7 21.6 2012 12 03 01 37.84 +13 02.0 0.892 1.743 136.3 23.0 21.7 2012 12 04 01 38.80 +13 00.4 0.905 1.750 135.5 23.3 21.7 2012 12 05 01 39.78 +12 59.0 0.917 1.756 134.7 23.5 21.8 2012 12 06 01 40.78 +12 57.9 0.930 1.763 133.9 23.7 21.8 2012 12 07 01 41.79 +12 57.0 0.943 1.769 133.1 24.0 21.9 2012 12 08 01 42.82 +12 56.3 0.956 1.776 132.3 24.2 21.9 2012 12 09 01 43.86 +12 55.9 0.970 1.783 131.6 24.4 21.9 2012 12 10 01 44.91 +12 55.6 0.983 1.789 130.8 24.6 22.0 2012 12 11 01 45.98 +12 55.6 0.997 1.796 130.0 24.8 22.0 2012 12 12 01 47.06 +12 55.8 1.010 1.803 129.3 25.0 22.1 2012 12 13 01 48.16 +12 56.1 1.024 1.809 128.5 25.2 22.1 2012 12 14 01 49.27 +12 56.7 1.038 1.816 127.7 25.4 22.2 2012 12 15 01 50.40 +12 57.5 1.052 1.823 127.0 25.6 22.2 2012 12 16 01 51.54 +12 58.4 1.066 1.829 126.2 25.7 22.3 2012 12 17 01 52.69 +12 59.5 1.081 1.836 125.5 25.9 22.3 2012 12 18 01 53.85 +13 00.8 1.095 1.843 124.7 26.0 22.4 2012 12 19 01 55.03 +13 02.3 1.110 1.850 124.0 26.2 22.4 2012 12 20 01 56.22 +13 03.9 1.124 1.856 123.3 26.3 22.4 2012 12 21 01 57.42 +13 05.7 1.139 1.863 122.5 26.4 22.5 2012 12 22 01 58.63 +13 07.7 1.154 1.870 121.8 26.6 22.5 2012 12 23 01 59.86 +13 09.8 1.169 1.877 121.1 26.7 22.6 2012 12 24 02 01.09 +13 12.0 1.184 1.884 120.4 26.8 22.6 2012 12 25 02 02.34 +13 14.4 1.200 1.890 119.6 26.9 22.7 2012 12 26 02 03.60 +13 16.9 1.215 1.897 118.9 27.0 22.7 2012 12 27 02 04.86 +13 19.5 1.231 1.904 118.2 27.1 22.7 2012 12 28 02 06.14 +13 22.3 1.246 1.911 117.5 27.2 22.8 2012 12 29 02 07.43 +13 25.2 1.262 1.918 116.8 27.2 22.8 2012 12 30 02 08.72 +13 28.2 1.278 1.925 116.1 27.3 22.9 2012 12 31 02 10.03 +13 31.3 1.294 1.932 115.4 27.4 22.9 H = 19.5, 2.5n = 10 (magnitude parameters from 2006 apparition)
Astrometric observations of this comet from the Minor Planet Center archive are available here.
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