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"Pseudo-MPEC" for C/2006 P1
Created Tue Oct 24 13:17:29 2006 using Find_Orb
Photometric fit by Rob McNaught
Astrometry Observing stations Orbital elements Residuals Photometric fit Ephemeris Small Print Astrometry: CK06P010 C2006 08 07.51958 16 38 58.02 -18 05 43.3 17.5 T E12 CK06P010 C2006 08 07.54827 16 38 56.27 -18 05 34.0 E12 CK06P010 C2006 08 07.55354 16 38 55.95 -18 05 32.3 E12 CK06P010 C2006 08 07.58622 16 38 53.94 -18 05 22.5 x E12 CK06P010 C2006 08 08.35878 16 38 08.33 -18 01 22.3 17.2 T E12 CK06P010 C2006 08 08.48119 16 38 01.03 -18 00 44.2 17.0 T E12 CK06P010 C2006 08 08.57587 16 37 55.41 -18 00 14.5 17.6 T E12 CK06P010 C2006 08 08.58066 16 37 55.11 -18 00 12.8 17.2 T E12 CK06P010 C2006 08 09.41204 16 37 07.29 -17 55 57.4 E12 CK06P010 C2006 08 09.41927 16 37 06.87 -17 55 55.4 E12 CK06P010 C2006 08 09.54798 16 36 59.41 -17 55 15.3 E12 CK06P010 C2006 08 09.55875 16 36 58.81 -17 55 11.5 x E12 CK06P010 C2006 08 10.41458 16 36 10.93 -17 50 51.6 17.2 T E12 CK06P010 C2006 08 10.41947 16 36 10.64 -17 50 50.2 17.2 T E12 CK06P010 C2006 08 10.42186 16 36 10.49 -17 50 49.5 x17.3 T E12 CK06P010 C2006 08 11.36560 16 35 19.02 -17 46 04.2 17.0 T E12 CK06P010 C2006 08 11.36797 16 35 18.90 -17 46 03.6 E12 CK06P010 C2006 08 11.51879 16 35 10.61 -17 45 18.2 E12 CK06P010 C2006 08 11.52630 16 35 10.22 -17 45 15.8 E12 CK06P010 C2006 08 20.40263 16 28 19.73 -17 03 20.9 16.9 T E12 CK06P010 C2006 08 21.36990 16 27 42.98 -16 59 05.6 16.9 T E12 CK06P010 C2006 08 22.37287 16 27 06.46 -16 54 45.0 16.7 T E12 CK06P010 C2006 08 22.49789 16 27 01.91 -16 54 12.4 16.7 T E12 CK06P010 C2006 08 23.36919 16 26 31.87 -16 50 30.2 16.5 T E12 CK06P010 C2006 08 23.49397 16 26 27.51 -16 49 58.2 16.7 T E12 CK06P010 C2006 08 25.46929 16 25 24.23 -16 41 46.7 E12 CK06P010 C2006 08 26.37296 16 24 57.49 -16 38 07.3 16.4 T E12 CK06P010 C2006 08 27.36975 16 24 29.48 -16 34 09.2 E12 CK06P010 C2006 08 27.37016 16 24 29.48 -16 34 09.3 E12 CK06P010 C2006 08 28.39030 16 24 02.45 -16 30 09.6 E12 CK06P010 C2006 08 28.53039 16 23 58.79 -16 29 36.5 x E12 CK06P010 C2006 08 31.37090 16 22 53.28 -16 18 54.6 E12 CK06P010 C2006 09 03.38329 16 21 57.75 -16 08 08.9 E12 CK06P010 C2006 09 05.38165 16 21 28.76 -16 01 20.5 E12 CK06P010 C2006 09 05.46972 16 21 27.53 -16 01 02.6 15.9 T E12 CK06P010 C2006 09 07.38038 16 21 05.89 -15 54 47.5 E12 CK06P010 C2006 09 07.38401 16 21 05.84 -15 54 46.7 E12 CK06P010 C2006 09 08.37202 16 20 56.79 -15 51 37.9 E12 CK06P010 C2006 09 08.37421 16 20 56.77 -15 51 37.6 E12 CK06P010 C2006 09 11.41243 16 20 37.99 -15 42 19.1 E12 CK06P010 C2006 09 12.38091 16 20 34.93 -15 39 28.3 15.4 T E12 CK06P010 C2006 09 13.37646 16 20 33.16 -15 36 35.9 15.1 T E12 CK06P010 C2006 09 15.37112 16 20 33.95 -15 31 00.6 15.3 T E12 CK06P010 C2006 09 17.39630 16 20 40.53 -15 25 32.4 15.2 T E12 CK06P010 C2006 09 18.37645 16 20 45.83 -15 22 58.8 15.1 T E12 CK06P010 C2006 09 20.38844 16 21 00.85 -15 17 51.1 14.9 T E12 CK06P010 C2006 09 21.38448 16 21 10.37 -15 15 22.7 x14.8 T E12 CK06P010 C2006 09 22.37503 16 21 21.164-15 12 58.34 14.6 T E12 CK06P010 C2006 09 22.43183 16 21 21.773-15 12 49.98 14.6 T E12 CK06P010 C2006 09 23.38114 16 21 33.479-15 10 33.96 14.7 T E12 CK06P010 C2006 09 25.38166 16 22 01.995-15 05 53.98 14.6 T E12 CK06P010 C2006 09 26.38175 16 22 18.228-15 03 37.44 14.1 T E12 CK06P010 C2006 09 27.38680 16 22 35.865-15 01 22.21 14.9 T E12 CK06P010 C2006 10 01.39042 16 23 58.929-14 52 42.24 14.2 T E12 CK06P010 C2006 10 02.38939 16 24 22.794-14 50 36.50 15.0 T E12 CK06P010 C2006 10 03.39252 16 24 47.998-14 48 31.39 14.5 T E12 CK06P010 C2006 10 04.39328 16 25 14.371-14 46 28.10 14.1 T E12 CK06P010 C2006 10 05.37686 16 25 41.479-14 44 28.14 14.5 T E12 CK06P010 C2006 10 07.37974 16 26 40.28 -14 40 26.4 14.4 T E12 CK06P010 C2006 10 08.39209 16 27 11.804-14 38 25.19 13.6 T E12 CK06P010 C2006 10 09.38796 16 27 44.023-14 36 27.06 13.6 T E12 CK06P010 C2006 10 10.38882 16 28 17.576-14 34 28.72 13.4 T E12 CK06P010 C2006 10 11.39345 16 28 52.441-14 32 30.56 13.5 T E12 CK06P010 C2006 10 12.39113 16 29 28.240-14 30 33.07 13.4 T E12 CK06P010 C2006 10 12.39414 16 29 28.346-14 30 32.64 13.5 T E12 CK06P010 C2006 10 13.38866 16 30 05.197-14 28 36.20 13.4 T E12 CK06P010 C2006 10 14.38250 16 30 43.178-14 26 39.74 13.7 T E12 CK06P010 C2006 10 19.40093 16 34 12.364-14 16 47.10 12.5 T E12 CK06P010 C2006 10 21.38783 16 35 43.182-14 12 47.81 E12 CK06P010 C2006 10 21.39047 16 35 43.312-14 12 47.46 12.3 T E12 CK06P010 C2006 10 22.38906 16 36 30.649-14 10 45.73 12.5 T E12 CK06P010 C2006 10 24.39732 16 38 09.268-14 06 36.77 12.1 T E12 Station data: (E12) Siding Spring Survey (S31.2735 E149.0642). Observers R. H. McNaught, S. Larson, et.al. Measurer R. H. McNaught. 0.5-m Uppsala Schmidt + CCD. Orbital elements: C/2006 P1 Perihelion 2007 Jan 12.801568 TT Epoch 2006 Oct 24.0 TT = JDT 2454032.5 Find_Orb q 0.170738 (2000.0) P Q Peri. 155.97560 0.12688495 0.17386861 Node 267.41469 0.67528957 -0.73627778 e 1.0000101 Incl. 77.83783 0.72655639 0.65396080 From 67 observations 2006 Aug. 7-Oct. 24; RMS error 0.167 arcseconds Residuals in arcseconds: 060807 E12 .14+ .07- 060823 E12 .10+ .11+ 060922 E12 .07- .06+ 060807 E12 .13+ .14+ 060825 E12 .35+ .10- 060923 E12 .02- .09+ 060807 E12 .13+ .17+ 060826 E12 .12- .01+ 060925 E12 .06- .10+ 060807 E12( .26- .41-) 060827 E12 .01- .08- 060926 E12 .13- .03+ 060808 E12 .33- .09- 060827 E12 .15+ .28- 060927 E12 .02+ .04+ 060808 E12 .19+ .01- 060828 E12 .03- .09- 061001 E12 .03+ .12- 060808 E12 .21+ .02- 060828 E12( .51+ .05-) 061002 E12 .01+ .15- 060808 E12 .05- .18+ 060831 E12 .03- .08- 061003 E12 .04+ .03+ 060809 E12 .26- .00 060903 E12 .03+ .09+ 061004 E12 .07+ .06- 060809 E12 .23- .22- 060905 E12 .09+ .10+ 061005 E12 .05- .19- 060809 E12 .10- .04+ 060905 E12 .06- .06+ 061007 E12 .11+ .20- 060809 E12( .18+ .48+) 060907 E12 .05+ .03- 061008 E12 .01+ .05+ 060810 E12 .03- .13- 060907 E12 .09- .07+ 061009 E12 .06+ .08- 060810 E12 .21- .22- 060908 E12 .09- .12+ 061010 E12 .04+ .05- 060810 E12( .42- .25-) 060908 E12 .07- .00 061011 E12 .03+ .23- 060811 E12 .16- .12+ 060911 E12 .21- .24+ 061012 E12 .01+ .08+ 060811 E12 .01- .01+ 060912 E12 .00 .09+ 061012 E12 .02- .14+ 060811 E12 .05- .13- 060913 E12 .11- .05+ 061013 E12 .01- .03- 060811 E12 .22+ .02- 060915 E12 .01+ .19- 061014 E12 .03+ .06- 060820 E12 .08- .01- 060917 E12 .03- .30+ 061019 E12 .06- .02- 060821 E12 .07+ .03+ 060918 E12 .00 .09- 061021 E12 .03- .10+ 060822 E12 .01- .01+ 060920 E12 .01+ .07+ 061021 E12 .08+ .12+ 060822 E12 .30+ .08+ 060921 E12( .16+ .41+) 061022 E12 .02+ .02+ 060823 E12 .15+ .05+ 060922 E12 .00 .13+ 061024 E12 .09- .07- Photometric fit: Mag = H + 5 log(delta) + 2.5 n log(r) H = 3.5 +/- 0.2 n = 9.8 +/- 0.2 (1.90<r<3.06) Obs mag Calc mag O-C 20060807.51958 17.5 17.3 0.2 20060808.35878 17.2 17.3 -0.1 20060808.48119 17.0 17.3 -0.3 20060808.57587 17.6 17.3 0.3 20060808.58066 17.2 17.3 -0.1 20060810.41458 17.2 17.2 -0.0 20060810.41947 17.2 17.2 -0.0 20060810.42186 17.3 17.2 0.1 20060811.36560 17.0 17.2 -0.2 20060820.40263 16.9 16.7 0.2 20060821.36990 16.9 16.7 0.2 20060822.37287 16.7 16.6 0.1 20060822.49789 16.7 16.6 0.1 20060823.36919 16.5 16.6 -0.1 20060823.49397 16.7 16.6 0.1 20060826.37296 16.4 16.4 -0.0 20060905.46972 15.9 15.9 -0.0 20060912.38091 15.4 15.5 -0.1 20060913.37646 15.1 15.5 -0.4 20060915.37112 15.3 15.3 -0.0 20060917.39630 15.2 15.2 -0.0 20060918.37645 15.1 15.2 -0.1 20060920.38844 14.9 15.0 -0.1 20060921.38448 14.8 15.0 -0.2 20060922.37503 14.6 14.9 -0.3 20060922.43183 14.6 14.9 -0.3 20060923.38114 14.7 14.8 -0.1 20060925.38166 14.6 14.7 -0.1 20060926.38175 14.1 14.6 -0.5 20060927.38680 14.9 14.6 0.3 20061001.39042 14.2 14.3 -0.1 20061002.38939 15.0 14.2 0.8 20061003.39252 14.5 14.1 0.4 20061004.39328 14.1 14.1 0.0 20061005.37686 14.5 14.0 0.5 20061007.37974 14.4 13.8 0.6 20061008.39209 13.6 13.7 -0.1 20061009.38796 13.6 13.7 -0.1 20061010.38882 13.4 13.6 -0.2 20061011.39345 13.5 13.5 -0.0 20061012.39113 13.4 13.4 -0.0 20061012.39414 13.5 13.4 0.1 20061013.38866 13.4 13.3 0.1 20061014.38250 13.7 13.3 0.4 20061019.40093 12.5 12.8 -0.3 20061021.39047 12.3 12.6 -0.3 20061022.38906 12.5 12.5 -0.0 20061024.39732 12.1 12.3 -0.2 In the ephemeris below, the magnitudes are given for n=9.8 and for r<1.0 are also given for n=3 and n=2 Ephemerides (E12-centric): n=9.8 Date (UT) RA Dec delta r elong mag -- --- ---- ------------ ------------ ------ ------ ----- --- 7 Aug 2006 16 39 29.705 -18 08 24.53 2.4750 3.0649 116.5 17.4 17 Aug 2006 16 30 41.831 -17 18 47.67 2.5025 2.9284 104.7 16.9 27 Aug 2006 16 24 39.899 -16 35 35.71 2.5370 2.7889 93.6 16.4 6 Sep 2006 16 21 21.306 -15 59 16.34 2.5712 2.6460 83.1 15.9 16 Sep 2006 16 20 35.681 -15 29 16.49 2.5983 2.4995 73.1 15.3 26 Sep 2006 16 22 12.225 -15 04 28.81 2.6130 2.3488 63.8 14.7 6 Oct 2006 16 25 59.613 -14 43 11.99 2.6101 2.1935 54.9 13.9 16 Oct 2006 16 31 47.803 -14 23 29.67 2.5858 2.0331 46.5 13.1 26 Oct 2006 16 39 31.642 -14 03 13.53 2.5366 1.8667 38.7 12.2 5 Nov 2006 16 49 08.666 -13 39 50.83 2.4595 1.6933 31.4 11.1 15 Nov 2006 17 00 42.484 -13 10 32.03 2.3520 1.5116 24.8 9.8 25 Nov 2006 17 14 26.895 -12 31 49.21 2.2116 1.3198 19.2 8.2 5 Dec 2006 17 30 48.955 -11 39 19.39 2.0351 1.1154 15.3 6.2 n=3 n=2 15 Dec 2006 17 50 47.193 -10 27 59.85 1.8186 0.8942 13.8 3.6 4.5 4.6 25 Dec 2006 18 16 34.731 -08 54 47.97 1.5535 0.6498 14.5 -0.1 3.1 3.6 4 Jan 2007 18 54 26.308 -07 34 53.16 1.2181 0.3729 15.2 -6.5 0.8 1.8 14 Jan 2007 20 03 20.598 -20 11 29.16 0.8277 0.1778 5.4-15.2 -2.5 -0.6 24 Jan 2007 20 48 29.435 -45 04 42.29 0.9623 0.4425 26.2 -5.2 0.8 1.7 3 Feb 2007 21 16 39.895 -53 40 18.99 1.1781 0.7110 37.0 0.3 2.8 3.2 13 Feb 2007 21 41 43.787 -57 57 08.10 1.3567 0.9490 44.4 3.6 4.0 4.1 23 Feb 2007 22 05 37.598 -60 54 26.05 1.5002 1.1657 50.9 6.0 5 Mar 2007 22 29 07.331 -63 27 38.09 1.6152 1.3669 57.4 7.9 15 Mar 2007 22 52 56.427 -65 59 06.17 1.7080 1.5560 64.1 9.4 25 Mar 2007 23 17 55.788 -68 39 52.64 1.7842 1.7355 70.9 10.6 4 Apr 2007 23 45 19.572 -71 34 45.59 1.8498 1.9072 77.8 11.7 Small Print: Appearance may differ from that advertised. Exposure to sunlight may cause fading.