MPEC 2002-C80 : 1999 TX2
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M.P.E.C. 2002-C80 Issued 2002 Feb. 12, 19:18 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
1999 TX2
Revision to MPEC 1999-T19
Observations:
J99T02X C2002 02 11.45949 03 53 33.68 -66 27 13.2 413
J99T02X C2002 02 11.46272 03 53 33.67 -66 27 08.3 413
J99T02X C2002 02 11.46593 03 53 33.63 -66 27 02.9 413
J99T02X C2002 02 12.44357 03 53 35.20 -65 59 33.2 413
J99T02X C2002 02 12.45209 03 53 35.19 -65 59 18.4 413
Observer details:
413 Siding Spring. Observer R. H. McNaught. 1.0-m f/8 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
020211 413 14.5- 44.4+ 020212 413 14.0- 44.1+ MPC 36925 +0.025 day
Orbital elements:
1999 TX2
Epoch 2001 Oct. 18.0 TT = JDT 2452200.5 MPC
M 217.88240 (2000.0) P Q
n 0.67993241 Peri. 53.57593 -0.59383122 +0.80458962
a 1.2808322 Node 179.98897 -0.63439567 -0.46834797
e 0.4629659 Incl. 61.38928 +0.49488041 +0.36508317
P 1.45 H 18.3 G 0.15 U 4
Residuals in seconds of arc
990930 703 0.9- 0.7+ 991002 118 1.2+ 0.8- 991007 104 1.1+ 0.4-
990930 703 0.0 0.4+ 991002 118 0.9+ 0.0 991007 104 0.1- 0.3-
990930 703 0.5+ 0.9- 991002 118 0.2+ 0.7- 991007 104 1.3- 1.4+
990930 703 0.1+ 0.9- 991003 426 0.2- 0.1+ 991015 413 0.1- 0.2-
991002 703 0.8- 0.7- 991003 426 0.3- 0.1+ 991015 413 0.0 0.3-
991002 703 0.6- 0.6- 991003 426 0.3- 0.2+ 991016 413 0.1- 0.5-
991002 703 0.1+ 0.1+ 991004 426 0.3- 0.2- 991016 413 0.0 0.3-
991002 703 0.6- 0.0 991004 426 0.3- 0.1+ 991023 697 0.2+ 0.1-
991002 704 0.2- 0.2- 991004 426 0.0 0.3+ 991023 697 0.5- 0.4+
991002 704 0.7+ 0.5+ 991006 704 0.5+ 0.3- 991102 413 0.5- 0.7-
991002 704 0.1+ 0.4+ 991006 704 0.1- 0.7- 991102 413 0.1+ 0.1+
991002 704 1.3+ 0.1- 991006 704 0.4+ 0.3+ 991104 413 0.6+ 0.2+
991002 046 0.8- 0.4- 991006 704 0.2+ 0.2+ 991104 413 0.2+ 0.0
991002 046 0.4- 0.0 991006 704 0.4+ 0.7+ 020211 413 0.0 0.4+
991002 046 0.2+ 0.4+ 991006 413 0.1+ 0.1- 020211 413 0.1+ 0.2-
991002 046 0.0 0.3+ 991006 413 0.2+ 0.1- 020211 413 0.0 0.2-
991002 046 0.6- 0.5+ 991007 413 0.1+ 0.2+ 020212 413 0.1- 0.0
991002 046 0.1- 0.9+ 991007 413 0.1+ 0.2+ 020212 413 0.1- 0.1+
Ephemeris:
1999 TX2 a,e,i = 1.28, 0.46, 61 q = 0.6879
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2002 02 05 03 55.71 -69 13.6 1.093 1.320 78.7 47.1 20.9
2002 02 15 03 54.04 -64 44.5 0.988 1.250 78.5 50.7 20.6
2002 02 25 04 00.23 -59 01.2 0.873 1.176 78.0 55.4 20.4
2002 03 07 04 11.52 -51 28.4 0.752 1.099 76.8 61.5 20.1
2002 03 17 04 25.81 -40 58.9 0.631 1.021 74.0 69.6 19.8
2002 03 27 04 40.93 -25 46.0 0.525 0.941 68.4 80.3 19.6
2002 04 06 04 54.03 -04 16.7 0.458 0.865 59.6 93.2 19.6
2002 04 16 05 01.11 +20 47.7 0.459 0.795 50.5 103.1 19.9
2002 04 26 04 56.18 +41 56.1 0.532 0.737 45.4 103.8 20.1
2002 05 06 04 32.94 +55 18.1 0.646 0.699 43.5 97.0 20.1
2002 05 16 03 53.27 +61 38.7 0.771 0.688 42.8 87.5 20.0
2002 05 26 03 13.47 +62 56.8 0.881 0.705 43.0 78.5 20.0
2002 06 05 02 48.11 +61 24.7 0.963 0.747 44.3 71.5 20.1
2002 06 15 02 37.47 +58 39.9 1.011 0.808 47.0 66.8 20.2
2002 06 25 02 36.00 +55 27.8 1.025 0.879 51.0 64.0 20.3
2002 07 05 02 39.05 +52 02.1 1.008 0.957 56.4 62.3 20.4
2002 07 15 02 43.54 +48 20.5 0.963 1.036 63.1 61.0 20.5
2002 07 25 02 47.37 +44 09.9 0.897 1.115 71.0 59.5 20.4
2002 08 04 02 48.96 +39 08.6 0.816 1.191 80.4 57.1 20.3
2002 08 14 02 46.73 +32 42.6 0.726 1.264 91.7 53.2 20.1
2002 08 24 02 39.12 +24 03.5 0.639 1.333 105.6 46.9 19.7
2002 09 03 02 24.76 +12 23.1 0.569 1.399 122.3 37.5 19.3
2002 09 13 02 02.88 -02 08.1 0.537 1.460 140.1 26.2 19.0
2002 09 23 01 34.72 -16 59.7 0.558 1.516 151.0 18.7 18.9
2002 10 03 01 03.98 -28 48.6 0.633 1.569 146.7 20.5 19.3
2002 10 13 00 35.68 -36 21.2 0.748 1.617 135.2 25.8 19.9
2002 10 23 00 13.68 -40 26.2 0.887 1.661 123.8 29.9 20.4
2002 11 02 23 59.21 -42 17.0 1.039 1.700 113.6 32.3 20.9
2002 11 12 23 51.76 -42 46.8 1.196 1.736 104.7 33.5 21.3
2002 11 22 23 50.08 -42 28.7 1.353 1.767 96.8 33.7 21.6
2002 12 02 23 52.88 -41 41.7 1.506 1.794 89.6 33.3 21.9
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-C80
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